Knowledge (XXG)

Calamus dumetosus

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bracteoles. A sterile staminate flower is usually absent. The pistillate flowers are larger, calyx similar, with six staminodes. The filaments are joined to form a tube, the empty anthers flattened, gynoecium ovular, trioculate and scaly. There are three conspicuous fleshy stigmas, reflexed, with a basally attached ovule. The beaked
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On flowering, the inflorescence in male plants is branched to three orders, in females to one, rarely two. The prophyll is large, splitting and becoming tattered, and armed with pseudo-whorls of black spines. Peduncular bracts are not present in the genus, the first order branches bear distichous,
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In female plants the inflorescence usually features one main branch and the branchlets may grow from the main axil, the branch, or both. The branchlets are subtended by netlike bracts, often enclosing them, each small branch bearing up to 20 pistillate flowers, each flower held in two distinct
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The staminate flowers are tiny with a tubular calyx divided into three hairy, triangular lobes. The corolla is basally tubular and twice as long as the calyx, divided into three lobes, striate and valvate. There are six stamens with laterally connate filaments and oblong to ovate anthers,
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unarmed tubular bracts with fibrous limbs which subtend or wholly enclose, in the staminate spike, the second order branch system. These are subtended by tubular, membranous bracts, the third order rachillae have similar bracts subtending solitary staminate
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is borne on a well-developed and armed petiole, the sheath and rachis also whorled with spines and covered in tomentum. The linear leaflets are regularly arranged with one fold, margins are toothed, and the midrib is prominent.
1043: 339:, Marion Sheehan discovered a single sterile, staminate flower among the pistillate members. The absence of such a flower previously obscured its relationship with the 940: 953: 611: 888: 743: 585: 293:
is circular to elliptical and monosulcate; exine reticulate and tectate and irregularly spotted with striate spines; the tiny pistillode is trifid.
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The clustering trunks are extensively armed with spines, 6 – 8 cm wide, closely ringed, with aerial roots at lower leaf nodes. The pinnate
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is ovoid to pear shaped, covered in reflexed scales, with a thin mesocarp. Each fruit carries one basally attached
979: 795: 637: 414: 409: 958: 616: 642: 800: 984: 1033: 540: 867: 709: 343:, which it also closely resembles. This find, despite its rarity, seems to confirm its placement in the 173: 526: 906: 875: 730: 1005: 821: 663: 206: 31: 264:, it retains only superficial climbing organs; it sprawls and leans but is not a true climber. 966: 945: 717: 624: 572: 482: 474: 446: 438: 971: 629: 468: 373: 335: 322: 219: 190: 74: 787: 782: 349: 330: 150: 61: 1027: 364:
is scattered across Borneo forming dense patches in hills and valleys of Dipterocarp
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No local uses have been recorded. 8: 466:Uhl, Natalie W. and Dransfield, John (1987) 535: 20: 433:Riffle, Robert L. and Craft, Paul (2003) 1044:Flora of the Borneo lowland rain forests 317:The species was originally described as 385: 462: 460: 458: 254:it was the only species in the genus 7: 435:An Encyclopedia of Cultivated Palms 643:urn:lsid:ipni.org:names:77144528-1 405:(J.Dransf.) A.J.Hend. & Floda" 289:dorsifixed towards the base. The 14: 473:. Lawrence, Kansas: Allen Press. 801:urn:lsid:ipni.org:names:669568-1 230:, where it is rare and known as 35: 985:urn:lsid:ipni.org:names:31472-1 260:. While classified with other 1: 505:. Royal Botanic Gardens, Kew 1060: 527:Fairchild Guide to Palms: 503:Plants of the World Online 437:. Portland: Timber Press. 415:Royal Botanic Gardens, Kew 410:Plants of the World Online 499:"Search for 'Retispatha'" 179: 172: 32:Scientific classification 30: 23: 357:Distribution and habitat 1039:Endemic flora of Borneo 193:) A.J.Hend. & Floda 241: 233: 681:Retispatha dumetosa 319:Retispatha dumetosa 252:Retispatha dumetosa 211:Retispatha dumetosa 368:, absent from the 250:means 'bushy'. As 226:family endemic to 1021: 1020: 967:Open Tree of Life 625:Open Tree of Life 549:Calamus dumetosus 541:Taxon identifiers 487:978-0-935868-30-2 451:978-0-88192-558-6 403:Calamus dumetosus 362:Calamus dumetosus 202:Calamus dumetosus 198: 197: 183:Calamus dumetosus 165:C. dumetosus 25:Calamus dumetosus 1051: 1014: 1013: 1001: 1000: 988: 987: 975: 974: 962: 961: 949: 948: 936: 935: 923: 922: 910: 909: 897: 896: 884: 883: 871: 870: 858: 857: 856: 830: 829: 817: 816: 804: 803: 791: 790: 778: 777: 765: 764: 752: 751: 739: 738: 726: 725: 713: 712: 700: 699: 698: 672: 671: 659: 658: 646: 645: 633: 632: 620: 619: 607: 606: 594: 593: 581: 580: 568: 567: 566: 536: 514: 513: 511: 510: 495: 489: 464: 453: 431: 425: 424: 422: 421: 397: 244: 236: 185: 40: 39: 21: 1059: 1058: 1054: 1053: 1052: 1050: 1049: 1048: 1024: 1023: 1022: 1017: 1009: 1004: 996: 991: 983: 978: 970: 965: 957: 952: 944: 939: 931: 926: 918: 913: 905: 900: 892: 887: 879: 874: 866: 861: 852: 851: 846: 833: 825: 820: 812: 807: 799: 794: 786: 781: 773: 768: 760: 755: 747: 742: 734: 729: 721: 716: 708: 703: 694: 693: 688: 675: 667: 662: 654: 649: 641: 636: 628: 623: 615: 610: 602: 597: 589: 584: 576: 571: 562: 561: 556: 543: 523: 518: 517: 508: 506: 497: 496: 492: 469:Genera Palmarum 465: 456: 432: 428: 419: 417: 399: 398: 387: 382: 359: 336:Genera Palmarum 323:John Dransfield 315: 270: 242:wi tebi bagadap 220:flowering plant 194: 187: 181: 168: 34: 17: 12: 11: 5: 1057: 1055: 1047: 1046: 1041: 1036: 1034:Calamus (palm) 1026: 1025: 1019: 1018: 1016: 1015: 1011:wfo-4000032796 1002: 989: 976: 963: 950: 937: 924: 911: 898: 885: 872: 859: 843: 841: 835: 834: 832: 831: 827:wfo-0000295787 818: 805: 792: 779: 766: 753: 740: 727: 714: 701: 685: 683: 677: 676: 674: 673: 669:wfo-0001316514 660: 647: 634: 621: 608: 595: 582: 569: 553: 551: 545: 544: 539: 533: 532: 522: 521:External links 519: 516: 515: 490: 454: 426: 384: 383: 381: 378: 358: 355: 331:Plectocomiinae 314: 311: 269: 266: 234:wi tebu bruang 196: 195: 188: 177: 176: 170: 169: 162: 160: 156: 155: 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 114: 113: 108: 104: 103: 98: 91: 90: 85: 78: 77: 72: 65: 64: 59: 52: 51: 46: 42: 41: 28: 27: 16:Genus of palms 15: 13: 10: 9: 6: 4: 3: 2: 1056: 1045: 1042: 1040: 1037: 1035: 1032: 1031: 1029: 1012: 1007: 1003: 999: 994: 990: 986: 981: 977: 973: 968: 964: 960: 955: 951: 947: 942: 938: 934: 929: 925: 921: 916: 912: 908: 903: 899: 895: 890: 886: 882: 877: 873: 869: 864: 860: 855: 849: 845: 844: 842: 840: 836: 828: 823: 819: 815: 810: 806: 802: 797: 793: 789: 784: 780: 776: 771: 767: 763: 758: 754: 750: 745: 741: 737: 732: 728: 724: 719: 715: 711: 706: 702: 697: 691: 687: 686: 684: 682: 678: 670: 665: 661: 657: 652: 648: 644: 639: 635: 631: 626: 622: 618: 613: 609: 605: 600: 596: 592: 587: 583: 579: 574: 570: 565: 559: 555: 554: 552: 550: 546: 542: 537: 531: 530: 525: 524: 520: 504: 500: 494: 491: 488: 484: 480: 479:0-935868-30-5 476: 472: 470: 463: 461: 459: 455: 452: 448: 444: 443:0-88192-558-6 440: 436: 430: 427: 416: 412: 411: 406: 404: 396: 394: 392: 390: 386: 379: 377: 375: 371: 367: 363: 356: 354: 352: 351: 346: 342: 338: 337: 332: 328: 324: 320: 312: 310: 308: 305:with a basal 304: 300: 294: 292: 286: 284: 278: 275: 267: 265: 263: 259: 258: 253: 249: 245: 243: 237: 235: 229: 225: 221: 217: 213: 212: 208: 204: 203: 192: 186: 184: 178: 175: 174:Binomial name 171: 167: 166: 161: 158: 157: 154: 153: 149: 146: 145: 142: 139: 136: 135: 132: 129: 126: 125: 122: 119: 116: 115: 112: 109: 106: 105: 102: 99: 96: 93: 92: 89: 86: 83: 80: 79: 76: 73: 70: 67: 66: 63: 62:Tracheophytes 60: 57: 54: 53: 50: 47: 44: 43: 38: 33: 29: 26: 22: 19: 838: 680: 548: 528: 507:. Retrieved 502: 493: 467: 434: 429: 418:. Retrieved 408: 402: 361: 360: 348: 334: 326: 318: 316: 295: 287: 279: 271: 256: 255: 251: 247: 239: 238:(dialectal: 231: 210: 209: 201: 200: 199: 182: 180: 164: 163: 151: 94: 81: 68: 55: 24: 18: 915:iNaturalist 757:iNaturalist 268:Description 131:Calamoideae 127:Subfamily: 101:Commelinids 75:Angiosperms 1028:Categories 839:Retispatha 788:kew-177585 783:Plant List 604:77144528-1 529:Retispatha 509:2024-04-22 420:2024-04-22 380:References 327:Retispatha 257:Retispatha 191:J. Dransf. 998:100251067 854:Q16060773 814:100251068 656:100457831 564:Q42732776 345:Calaminae 341:Calaminae 248:dumetosus 159:Species: 121:Arecaceae 45:Kingdom: 993:Tropicos 848:Wikidata 809:Tropicos 775:669568-1 690:Wikidata 651:Tropicos 558:Wikidata 313:Taxonomy 141:Calameae 117:Family: 111:Arecales 88:Monocots 946:1073253 933:31472-1 894:2735580 749:2735581 736:1131912 696:Q141123 591:9235103 370:montane 366:forests 350:Calamus 283:flowers 262:rattans 222:in the 216:species 214:, is a 207:synonym 152:Calamus 147:Genus: 137:Tribe: 107:Order: 49:Plantae 972:393159 920:366156 881:108571 868:417746 762:365989 710:417747 630:393150 485:  477:  449:  441:  307:embryo 291:pollen 228:Borneo 959:93313 941:IRMNG 907:10335 723:78S96 617:93314 578:68V63 374:heath 299:fruit 95:Clade 82:Clade 69:Clade 56:Clade 980:POWO 954:NCBI 928:IPNI 902:GRIN 889:GBIF 863:BOLD 796:POWO 770:IPNI 744:GBIF 705:BOLD 638:POWO 612:NCBI 599:IPNI 586:GBIF 483:ISBN 475:ISBN 447:ISBN 439:ISBN 372:and 303:seed 274:leaf 224:palm 1006:WFO 876:EoL 822:WFO 731:EoL 718:CoL 664:WFO 573:CoL 321:by 218:of 1030:: 1008:: 995:: 982:: 969:: 956:: 943:: 930:: 917:: 904:: 891:: 878:: 865:: 850:: 824:: 811:: 798:: 785:: 772:: 759:: 746:: 733:: 720:: 707:: 692:: 666:: 653:: 640:: 627:: 614:: 601:: 588:: 575:: 560:: 501:. 481:/ 457:^ 445:/ 413:. 407:. 388:^ 353:. 309:. 285:. 205:, 97:: 84:: 71:: 58:: 512:. 423:. 401:" 189:(

Index

Scientific classification
Edit this classification
Plantae
Tracheophytes
Angiosperms
Monocots
Commelinids
Arecales
Arecaceae
Calamoideae
Calameae
Calamus
Binomial name
J. Dransf.
synonym
species
flowering plant
palm
Borneo
rattans
leaf
flowers
pollen
fruit
seed
embryo
John Dransfield
Plectocomiinae
Genera Palmarum
Calaminae

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