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Petal

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167: 328: 596:), which acts to regulate colour in a different way. The pohutukawa contains small petals also having bright large red clusters of stamens. Another attractive mechanism for flowers is the use of scents which are highly attractive to humans. One such example is the rose. On the other hand, some flowers produce the smell of rotting meat and are attractive to insects such as flies. Darkness is another factor that flowers have adapted to as nighttime conditions limit vision and colour-perception. Fragrancy can be especially useful for flowers that are pollinated at night by moths and other flying insects. 262: 38: 275: 201: 2483: 300: 193: 286: 557:
attracting/repelling specific pollinators and providing suitable conditions for pollinating. Some pollinators include insects, birds, bats, and wind. In some petals, a distinction can be made between a lower narrowed, stalk-like basal part referred to as the claw, and a wider distal part referred to as the blade (or limb). Often, the claw and blade are at an angle with one another.
142: 632:). This plant has its home under the ground acting the role of a parasite on the roots of forest trees. The dactylanthus has only its flowers pointing to the surface and the flowers lack colour but have the advantage of containing much nectar and a strong scent. These act as a useful mechanism in attracting the bat. 582:
Wind-pollinated flowers often have small, dull petals and produce little or no scent. Some of these flowers will often have no petals at all. Flowers that depend on wind pollination will produce large amounts of pollen because most of the pollen scattered by the wind tends to not reach other flowers.
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Furthermore, the shape and size of the flower/petals are important in selecting the type of pollinators they need. For example, large petals and flowers will attract pollinators at a large distance or that are large themselves. Collectively, the scent, colour, and shape of petals all play a role in
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of the same or nearby flowers. However, pollinators are rather selective in determining the flowers they choose to pollinate. This develops competition between flowers and as a result flowers must provide incentives to appeal to pollinators (unless the flower self-pollinates or is involved in wind
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Flowers have various regulatory mechanisms to attract insects. One such helpful mechanism is the use of colour guiding marks. Insects such as the bee or butterfly can see the ultraviolet marks which are contained on these flowers, acting as an attractive mechanism which is not visible towards the
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This is where the positioning of the flower petals are located on the flower is the corolla e.g. the buttercup having shiny yellow flower petals which contain guidelines amongst the petals in aiding the pollinator towards the nectar. Pollinators have the ability to determine specific flowers they
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The inception and further development of petals show a great variety of patterns. Petals of different species of plants vary greatly in colour or colour pattern, both in visible light and in ultraviolet. Such patterns often function as guides to pollinators and are variously known as
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Various colour traits are used by different petals that could attract pollinators that have poor smelling abilities, or that only come out at certain parts of the day. Some flowers can change the colour of their petals as a signal to mutual pollinators to approach or keep away.
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Cares-Suarez, R, Poch, T, Acevedo, R.F, Acosta-Bravo, I, Pimentel, C, Espinoza, C, Cares, R.A, Munoz, P, Gonzalez, A.V, Botto-Mahan, C (2011) Do pollinators respond in a dose-dependent manner to flower herbivory?: An experimental assessment in Loasa tricolor (Loasaceae).
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wish to pollinate. Using incentives, flowers draw pollinators and set up a mutual relation between each other in which case the pollinators will remember to always guard and pollinate these flowers (unless incentives are not consistently met and competition prevails).
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human eye. Many flowers contain a variety of shapes acting to aid with the landing of the visiting insect and also influence the insect to brush against anthers and stigmas (parts of the flower). One such example of a flower is the pohutukawa (
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The petals could produce different scents to allure desirable pollinators or repel undesirable pollinators. Some flowers will also mimic the scents produced by materials such as decaying meat, to attract pollinators to them.
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is composed of ray florets. Each ray floret is anatomically an individual flower with a single large petal. Florets in the centre of the disc typically have no or very reduced petals. In some plants such as
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Chamberlain S.A; Rudgers J.A (2012). "How do plants balance multiple mutualists? Correlations among traits for attracting protective bodyguards and pollinators in cotton (Gossypium)".
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Toh, Conie; Mohd-Hairul, Ab. Rahim; Ain, Nooraini Mohd.; Namasivayam, Parameswari; Go, Rusea; Abdullah, Nur Ashikin Psyquay; Abdullah, Meilina Ong; Abdullah, Janna Ong (2017-11-02).
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pollination). Petals play a major role in competing to attract pollinators. Henceforth pollination dispersal could occur and the survival of many species of flowers could prolong.
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Petals have various functions and purposes depending on the type of plant. In general, petals operate to protect some parts of the flower and attract/repel specific pollinators.
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Flowers are also pollinated by birds and must be large and colourful to be visible against natural scenery. In New Zealand, such bird–pollinated native plants include: kowhai (
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are modified versions of each other. It appears that the mechanisms to form petals evolved very few times (perhaps only once), rather than evolving repeatedly from stamens.
2451: 1108: 616:). Flowers adapt the mechanism on their petals to change colour in acting as a communicative mechanism for the bird to visit. An example is the tree fuchsia ( 176:'s actinomorphic flower with three petals and three sepals, that collectively present a good example of an undifferentiated perianth. In this case, the word " 2369: 750: 2185: 1193:
Physics.org (2012). The University of Adelaide. "Flightless parrots, burrowing bats helped parasitic Hades flower". Date Retrieved August 2013.
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Pollination is an important step in the sexual reproduction of higher plants. Pollen is produced by the male flower or by the male organs of
82:, the non-reproductive portion of a flower. When the petals and sepals of a flower are difficult to distinguish, they are collectively called 1219: 327: 166: 946:"Floral micromorphology and transcriptome analyses of a fragrant Vandaceous Orchid, Vanda Mimi Palmer, for its fragrance production sites" 1133: 118:
have well-distinguished sepals and petals. When the undifferentiated tepals resemble petals, they are referred to as "petaloid", as in
2512: 270:, the Ivy-leaved Pelargonium : its floral structure is almost identical to that of geraniums, but it is conspicuously zygomorphic 2375: 41:
Diagram showing the parts of a mature flower. In this example, the perianth is separated into a calyx (sepals) and corolla (petals)
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Although petals are usually the most conspicuous parts of animal-pollinated flowers, wind-pollinated species, such as the
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Donald R. Whitehead (1969). "Wind Pollination in the Angiosperms: Evolutionary and Environmental Considerations".
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Science Learning Hub. (2012). The University of Waikato. "Attracting pollinators". Date Retrieved: August 2013.
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Pollen does not move on its own and thus requires wind or animal pollinators to disperse the pollen to the
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Kessler, Danny; Kallenbach, Mario; Diezel, Celia; Rothe, Eva; Murdock, Mark; Baldwin, Ian T (2015-07-01).
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The collection of all petals in a flower is referred to as the corolla. The role of the corolla in plant
2458: 1102: 1045: 853:"One size fits all? Molecular evidence for a commonly inherited petal identity program in Ranunculales" 437:
A petal often consists of two parts: the upper broader part, similar to a leaf blade, also called the
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Flowers can be pollinated by short-tailed bats. An example of this is the dactylanthus (
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form, but the petals show the greatest deviation from radial symmetry. Examples of
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The petal whorl or corolla may be either radially or bilaterally symmetrical (see
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Tubular-campanulate corolla, bearing long points and emergent from tubular calyx (
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and lie just beneath the corolla. The calyx and the corolla together make up the
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L. Anders Nilsson (1988). "The evolution of flowers with deep corolla tubes".
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have three or six petals, although there are many exceptions to this rule.
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postulated a theory of the origin of elongated corollae and corolla tubes.
1230: 815: 794: 70:. Petals are usually accompanied by another set of modified leaves called 2406: 2396: 2340: 2335: 2102: 1975: 1951: 1868: 1538: 1323: 795:"Phylogenetic reconstruction of the evolution of stylar polymorphisms in 453:. Claws are distinctly developed in petals of some flowers of the family 428:, the lower part of the petals or tepals are fused to form a floral cup ( 401: 346: 342: 321: 123: 79: 872: 227:
A corolla of separate petals, without fusion of individual segments, is
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may hold clues to a plant's classification. For example, flowers on
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The genetics behind the formation of petals, in accordance with the
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Petals can differ dramatically in different species. The
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Rasmussen, D. A.; Kramer, E. M.; Zimmer, E. A. (2008).
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flowers, other floral parts may be modified from the
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Organogenesis of Flowers. A Photographic Text-Atlas
281:, with an actinomorphic flower typical of the genus 793:Graham, S. W.; Barrett, S. C. H. (1 July 2004). 696:"The origin and diversification of angiosperms" 441:and the lower narrower part, similar to a leaf 1264: 8: 2370:International Association for Plant Taxonomy 1107:: CS1 maint: multiple names: authors list ( 1044:More, M, Cocucci, A.A, Raguso, R.A (2013). 253:. The corolla in some plants forms a tube. 249:. In the case of fused tepals, the term is 126:, an alternative name is lilioid monocots. 1471: 1271: 1257: 1249: 1076: 1020: 979: 961: 871: 814: 711: 2314:International Code of Nomenclature (ICN) 733: 731: 52:that surround the reproductive parts of 1057:International Journal of Plant Sciences 764: 640: 384:(meaning "yoke-" or "pair-formed"). In 86:. Examples of plants in which the term 1128: 1126: 1124: 1122: 1120: 1118: 1100: 776: 7: 473:, pollen guides, and floral guides. 449:, separated from each other at the 220:has been studied extensively since 25: 2319:ICN for Cultivated Plants (ICNCP) 337:grow on the sepals of the flower. 208:, Golden Angel's Trumpet, family 2482: 2481: 165: 140: 483:ABC model of flower development 60:or unusually shaped to attract 841:. University of Toronto Press. 738:Rendle, Alfred Barton (1911). 1: 106:. Conversely, genera such as 74:, that collectively form the 2360:History of plant systematics 1947:Thorns, spines, and prickles 1208:Simpson, Michael G. (2011). 694:; Douglas E. Soltis (2004). 343:number of petals in a flower 27:Part of most types of flower 497:Significance of pollination 485:, are that sepals, petals, 417:, the circumference of the 160:) showing petals and sepals 2534: 2176:Alternation of generations 899:, Volume 68, Pages 176-181 860:American Journal of Botany 803:American Journal of Botany 700:American Journal of Botany 575: 564: 29: 2513:Plant reproductive system 2477: 2326:Cultivated plant taxonomy 2289:Biological classification 1286: 963:10.1186/s13104-017-2872-6 923:10.1007/s10682-011-9497-3 305:Narcissus pseudonarcissus 2186:Evolutionary development 1231:"Botany Word of the Day" 1837:Hypanthium (Floral cup) 1022:10.7554/elife.07641.001 751:Encyclopædia Britannica 411:such as the sunflower, 396:flowers may be seen in 90:is appropriate include 2452:by author abbreviation 2376:Plant taxonomy systems 2294:Botanical nomenclature 713:10.3732/ajb.91.10.1614 624:Bat-pollinated flowers 517:Functions and purposes 407:In many plants of the 349:(the largest group of 338: 324: 296: 282: 271: 213: 197: 42: 32:Petal (disambiguation) 2459:Botanical expeditions 816:10.3732/ajb.91.7.1007 630:Dactylanthus taylorii 330: 302: 288: 277: 264: 203: 195: 150:flower of a primrose 40: 2191:Evolutionary history 2181:Double fertilization 2033:Cellular respiration 911:Evolutionary Ecology 594:Metrosideros excelsa 567:Pollination syndrome 561:Types of pollination 289:The white flower of 267:Pelargonium peltatum 30:For other uses, see 1410:Non-vascular plants 873:10.3732/ajb.0800038 662:1988Natur.334..147N 618:Fuchsia excorticata 400:and members of the 362:Symmetry in biology 196:Apopetalous corolla 157:Ludwigia octovalvis 1915:Surface structures 1710:Flower development 1214:. Academic Press. 1138:2016-12-03 at the 950:BMC Research Notes 837:Sattler, R. 1973. 614:Clianthus puniceus 587:Attracting insects 339: 325: 297: 283: 272: 214: 198: 43: 2495: 2494: 2134:Herbaceous plants 1960: 1959: 1221:978-0-08-051404-8 1211:Plant Systematics 799:(Amaryllidaceae)" 706:(10): 1614–1626. 692:Soltis, Pamela S. 656:(6178): 147–149. 612:) and kaka beak ( 414:Helianthus annuus 334:Combretum indicum 120:petaloid monocots 58:brightly coloured 56:. They are often 16:(Redirected from 2525: 2508:Plant morphology 2485: 2484: 2464:Individual trees 2139:Secondary growth 2110:Succulent plants 2098:Prostrate shrubs 1981:Apical dominance 1966:Plant physiology 1927:Epicuticular wax 1472: 1465: 1456:Plant morphology 1273: 1266: 1259: 1250: 1245: 1243: 1241: 1225: 1196: 1191: 1185: 1184: 1148: 1142: 1130: 1113: 1112: 1106: 1098: 1080: 1054: 1048:Jaborosa rotacea 1041: 1035: 1034: 1024: 1000: 994: 993: 983: 965: 941: 935: 934: 906: 900: 897:Gayana. 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1372: 1371:Plant ecology 1369: 1367: 1366:Plant anatomy 1364: 1360: 1357: 1356: 1355: 1352: 1350: 1347: 1345: 1342: 1340: 1337: 1335: 1332: 1330: 1327: 1325: 1322: 1320: 1317: 1315: 1314:Archaeobotany 1312: 1311: 1309: 1307: 1303: 1297: 1294: 1292: 1289: 1288: 1285: 1281: 1274: 1269: 1267: 1262: 1260: 1255: 1254: 1251: 1236: 1232: 1227: 1223: 1217: 1213: 1212: 1206: 1205: 1201: 1195: 1190: 1187: 1182: 1178: 1174: 1170: 1166: 1162: 1158: 1154: 1147: 1144: 1141: 1137: 1134: 1129: 1127: 1125: 1123: 1121: 1119: 1115: 1110: 1104: 1096: 1092: 1088: 1084: 1079: 1074: 1070: 1066: 1062: 1058: 1051: 1050:(Solanaceae)" 1049: 1040: 1037: 1032: 1028: 1023: 1018: 1014: 1010: 1006: 999: 996: 991: 987: 982: 977: 973: 969: 964: 959: 955: 951: 947: 940: 937: 932: 928: 924: 920: 916: 912: 905: 902: 898: 891: 888: 883: 879: 874: 869: 866:(1): 96–109. 865: 861: 854: 847: 844: 840: 834: 831: 826: 822: 817: 812: 808: 804: 800: 798: 789: 786: 782: 778: 773: 770: 766: 761: 758: 753: 752: 747: 742: 734: 732: 728: 723: 719: 714: 709: 705: 701: 697: 693: 687: 684: 679: 675: 671: 667: 663: 659: 655: 651: 644: 641: 635: 633: 631: 623: 621: 619: 615: 611: 607: 599: 597: 595: 586: 584: 579: 571: 568: 560: 558: 551: 549: 542: 540: 533: 531: 524: 522: 516: 514: 511: 506: 504: 496: 494: 492: 488: 484: 476: 474: 472: 471:nectar guides 466: 464: 463: 458: 457: 452: 448: 445:, called the 444: 440: 435: 433: 432: 427: 426: 420: 416: 415: 410: 405: 403: 399: 395: 391: 387: 383: 379: 375: 374:actinomorphic 371: 367: 363: 358: 356: 352: 348: 344: 336: 335: 329: 323: 319: 315: 311: 307: 306: 301: 294: 293: 292:Pisum sativum 287: 280: 276: 269: 268: 263: 256: 254: 252: 248: 244: 240: 239:choripetalous 236: 232: 231: 225: 223: 219: 211: 207: 202: 194: 187: 179: 175: 168: 159: 158: 153: 149: 143: 134: 132: 127: 125: 121: 117: 116: 111: 110: 105: 104: 99: 98: 93: 89: 85: 81: 77: 73: 69: 68: 63: 59: 55: 51: 48:are modified 47: 39: 33: 19: 2412:Horticulture 2402:Floriculture 2304:Correct name 2154:Reproduction 2144:Woody plants 2069:Plant growth 2028:Gas Exchange 2013:Phytomelanin 1891:Plant embryo 1878: 1641:Reproductive 1489:Phragmoplast 1238:. Retrieved 1234: 1210: 1202:Bibliography 1189: 1159:(1): 28–35. 1156: 1152: 1146: 1103:cite journal 1060: 1056: 1047: 1039: 1012: 1008: 998: 953: 949: 939: 914: 910: 904: 890: 863: 859: 846: 838: 833: 806: 802: 796: 788: 772: 765:Simpson 2011 760: 749: 703: 699: 686: 653: 649: 643: 629: 627: 617: 613: 609: 605: 603: 593: 590: 581: 555: 546: 537: 528: 520: 507: 500: 480: 467: 460: 456:Brassicaceae 454: 450: 446: 438: 436: 429: 423: 412: 409:aster family 406: 389: 385: 381: 377: 373: 369: 359: 340: 332: 303: 290: 278: 265: 250: 246: 243:gamopetalous 242: 238: 235:polypetalous 234: 228: 226: 215: 155: 128: 113: 107: 101: 95: 87: 75: 66: 65: 45: 44: 18:Corolla tube 2518:Pollination 2228:Pollen tube 2223:Pollinators 2213:Pollination 2208:Germination 2023:Respiration 2006:Chlorophyll 1852:Pedicellate 1786:Gametophyte 1705:Aestivation 1656:Antheridium 1651:Archegonium 1499:Plasmodesma 1476:Plant cells 1339:Paleobotany 1334:Ethnobotany 1319:Astrobotany 1240:27 November 1235:Phytography 777:Foster 2014 419:flower head 394:zygomorphic 382:zygomorphic 251:syntepalous 247:sympetalous 230:apopetalous 62:pollinators 2502:Categories 2250:Microspore 2240:Sporangium 2218:Artificial 1906:Sporophyte 1901:Sporophyll 1896:Receptacle 1791:Gynandrium 1661:Androecium 1570:Vegetative 1440:Angiosperm 1435:Gymnosperm 1329:Dendrology 1078:11336/1416 1005:"Abstract" 956:(1): 554. 781:Hypanthium 636:References 578:Anemophily 459:, such as 431:hypanthium 402:pea family 314:floral cup 257:Variations 210:Solanaceae 180:" is used. 152:willowherb 148:Tetrameric 2447:Botanists 2365:Herbarium 2262:Megaspore 2160:Evolution 2103:Subshrubs 2071:and habit 1996:Nutrition 1991:Cellulose 1986:Bulk flow 1969:Materials 1932:Epidermis 1796:Gynoecium 1777:Endosperm 1772:Dispersal 1688:Staminode 1624:Sessility 1612:Cataphyll 1532:Mesophyll 1484:Cell wall 1425:Lycophyte 1405:Bryophyte 1359:Geobotany 1344:Phycology 1153:Evolution 1031:2050-084X 972:1756-0500 917:: 65–77. 797:Narcissus 767:, p. 365. 505:flowers. 425:Narcissus 386:irregular 378:irregular 218:evolution 115:Phaseolus 2487:Category 2407:Forestry 2397:Agronomy 2390:Practice 2341:Cultivar 2336:Cultigen 2196:timeline 2088:Rosettes 1976:Aleurone 1952:Trichome 1869:Perianth 1681:Filament 1539:Meristem 1462:glossary 1324:Bryology 1181:28562955 1136:Archived 990:29096695 931:13996011 882:21628178 825:21653457 722:21652312 525:Function 477:Genetics 355:monocots 347:eudicots 124:Liliales 94:such as 80:perianth 2165:Ecology 1922:Cuticle 1752:Capsule 1742:Anatomy 1693:Tapetum 1617:Petiole 1592:Rhizome 1587:Rhizoid 1514:Tissues 1504:Vacuole 1494:Plastid 1296:Outline 1291:History 1173:2406479 1095:3260154 981:5669028 748:(ed.). 678:4342356 658:Bibcode 606:Sophora 491:carpels 487:stamens 443:petiole 398:orchids 390:regular 370:regular 188:Corolla 131:grasses 67:corolla 54:flowers 2469:Plants 2372:(IAPT) 2125:Lianas 2093:Shrubs 2045:Starch 1937:Nectar 1857:Raceme 1823:Stigma 1811:Locule 1801:Carpel 1762:Pyrena 1700:Flower 1676:Anther 1671:Stamen 1666:Pollen 1388:groups 1280:Botany 1218:  1179:  1171:  1093:  1085:  1029:  988:  978:  970:  929:  880:  823:  720:  676:  650:Nature 543:Colour 510:stigma 489:, and 439:blade; 351:dicots 322:corona 318:tepals 310:spathe 178:tepals 103:Tulipa 92:genera 84:tepals 72:sepals 50:leaves 46:Petals 2429:Lists 2346:Group 2269:Spore 2203:Flora 2120:Vines 2115:Trees 2078:Habit 2050:Sugar 1942:Stoma 1884:Sepal 1879:Petal 1874:Tepal 1862:Umbel 1847:Bract 1828:Style 1816:Ovule 1806:Ovary 1747:Berry 1737:Fruit 1730:Whorl 1597:Shoot 1395:Algae 1386:Plant 1169:JSTOR 1091:S2CID 1083:JSTOR 1053:(PDF) 1009:eLife 927:S2CID 856:(PDF) 744:. In 674:S2CID 534:Scent 174:tulip 88:tepal 76:calyx 2351:Grex 2233:Self 1767:Seed 1629:Stem 1607:Leaf 1582:Root 1577:Bulb 1561:Wood 1522:Cork 1420:Fern 1242:2014 1216:ISBN 1177:PMID 1109:link 1027:ISSN 986:PMID 968:ISSN 878:PMID 821:PMID 718:PMID 451:limb 447:claw 364:and 112:and 109:Rosa 100:and 97:Aloe 2040:Sap 1757:Nut 1602:Bud 1161:doi 1073:hdl 1065:doi 1061:174 1017:doi 976:PMC 958:doi 919:doi 868:doi 811:doi 708:doi 666:doi 654:334 380:or 372:or 245:or 237:or 2504:: 1233:. 1175:. 1167:. 1157:23 1155:. 1117:^ 1105:}} 1101:{{ 1089:. 1081:. 1071:. 1059:. 1055:. 1025:. 1015:. 1011:. 1007:. 984:. 974:. 966:. 954:10 952:. 948:. 925:. 915:26 913:. 876:. 864:96 862:. 858:. 819:. 807:91 805:. 801:. 779:, 730:^ 716:. 704:91 702:. 698:. 672:. 664:. 652:. 465:. 404:. 320:, 316:, 312:, 212:). 172:A 1464:) 1460:( 1272:e 1265:t 1258:v 1244:. 1224:. 1183:. 1163:: 1111:) 1097:. 1075:: 1067:: 1033:. 1019:: 1013:4 992:. 960:: 933:. 921:: 884:. 870:: 827:. 813:: 783:. 724:. 710:: 680:. 668:: 660:: 154:( 34:. 20:)

Index

Corolla tube
Petal (disambiguation)

leaves
flowers
brightly coloured
pollinators
sepals
perianth
tepals
genera
Aloe
Tulipa
Rosa
Phaseolus
petaloid monocots
Liliales
grasses

Tetrameric
willowherb
Ludwigia octovalvis

tulip
tepals
Diagram of apopetalous corolla

Brugmansia aurea
Solanaceae
evolution

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