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The tiny pale lilac or pink flowers are approximately 3 mm in diameter and have a long tube, with only the end part of the four petals free. The flowers grow in clusters of two or three together in an
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with trailing and upright stems growing up to 40 cm long, having a square cross-section. The rough pointed bristly leaves of about 1 cm in length are in
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The fruit are dry and about 3 mm long with two lobes giving rise to two small, dry, indehiscent fruits called nutlets.
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Wilde
Planten in Nederland dn Belgie, Blauw walstro, Blauslyt, Field Madder, Rubéole des champs, Ackerröte,
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is distinguished by its mauve/pink flowers that are organized in clusters and having a long corolla tube.
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The four-angled stems with whorls of bristly leaves and tiny flowers are reminiscent of the
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University of
California at Davis, Integrated Pest Management On-line, Field Madder (
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of four to six (normally six at the ends of the shoots, but four nearer the root).
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News from
Rockcliff Farm, Natural Gardens of North Carolina, Blue Field-Madder,
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in 1753. The genus was named in memory of the prominent
English botanist
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703:(3 ed.). Cambridge: Cambridge University Press. p. 299.
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543:), are sometimes used for the production of a red dye.
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902:
633:. World Checklist of Selected Plant Families (WCSP)
522:plants are hermaphroditic and pollinated by flies.
652:Kew World Checklist of Selected Plant Families,
866:Herbario de la Universidad PĂşblica de Navarra,
8:
561:in 1736 and also appeared in his masterwork
367:as well as southwest and central Asia (from
757:
755:
890:
40:
31:
768:. Amsterdam: George Clifford. p. 33.
742:Georgia AE (1914). "Sherardia arvensis".
699:Clapham AR; Tutin TG; Warburg EF (1981).
731:Plants for a Future - Sherardia arvensis
551:The genus and species were described by
399:). It is also reportedly naturalized in
712:
710:
618:
582:
494:structure formed out of a ring of six
533:is a common weed of fields, pasture,
359:, which is widespread across most of
7:
1726:fe85ee56-8bb2-4714-b42a-bdf077ee9744
1569:3c9ef782-ab8a-4e3d-b589-2377f3e59597
1186:f64f94f9-703b-4b5c-82f5-11f2de6de223
1124:90b5345e-714b-45bb-912a-afef1facbf32
701:Excursion Flora of the British Isles
27:Genus and species of flowering plant
803:in the World Checklist of Rubiaceae
825:Wildflowers of the United States,
575:means that it is found in fields.
25:
1667:urn:lsid:ipni.org:names:766342-1
680:Biota of North America Program,
603:
594:
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60:
1163:urn:lsid:ipni.org:names:35341-1
718:"Field madder on UC IPM Online"
571:(1659–1728). The Latin epithet
345:. The genus contains only one
1:
1795:Taxa named by Carl Linnaeus
785:. Vol. 1. p. 102.
666:Altervista Flora Italiana,
246:Asterophyllum scherardianum
1811:
1790:Monotypic Rubiaceae genera
234:
227:
210:
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57:Scientific classification
55:
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39:
34:
748:. The Macmillan Company.
262:Hexodontocarpus arvensis
833:Calflora taxon report,
302:Sherardia pantocsekii
765:Hortus Cliffortianus
558:Hortus Cliffortianus
249:Schimp. & Spenn.
808:USDA Plants Profile
779:Linnaeus C (1753).
762:Linnaeus C (1737).
357:(blue) field madder
310:Sherardia umbellata
286:Sherardia elliptica
1618:Sherardia_arvensis
1334:Sherardia_arvensis
1254:Sherardia arvensis
1224:Sherardia arvensis
884:Sherardia arvensis
876:Sherardia arvensis
868:Sherardia arvensis
860:Sherardia arvensis
852:Sherardia arvensis
843:Sherardia arvensis
835:Sherardia arvensis
827:Sherardia arvensis
818:2013-12-17 at the
813:Plants of Missouri
686:Sherardia arvensis
668:Sherardia arvensis
654:Sherardia arvensis
531:Sherardia arvensis
520:Sherardia arvensis
508:and other related
476:Sherardia arvensis
465:Mississippi Valley
352:Sherardia arvensis
294:Sherardia maritima
238:Asperula sherardia
214:Sherardia arvensis
50:Sherardia arvensis
35:Blue field-madder
1772:
1771:
1603:Open Tree of Life
1132:Open Tree of Life
896:Taxon identifiers
782:Species Plantarum
745:A manual of weeds
564:Species Plantarum
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278:Sherardia agraria
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18:Field Madder
1528:NatureServe
1443:iNaturalist
1248:Wikispecies
1057:iNaturalist
928:Wikispecies
471:Description
423:, southern
405:New Zealand
381:Macaronesia
152:Subfamily:
136:Gentianales
100:Angiosperms
1779:Categories
1641:kew-190927
1636:Plant List
1305:Calflora:
637:28 October
613:References
492:involucral
433:Costa Rica
377:Kazakhstan
265:(L.) Dulac
156:Rubioideae
1399:220012485
1381:FloraBase
1018:FloraBase
984:Sherardia
934:Sherardia
919:Q14566705
904:Sherardia
801:Sherardia
629:Sherardia
535:grassland
514:Sherardia
510:Rubiaceae
506:Bedstraws
413:Kerguelen
401:Australia
343:Rubiaceae
329:monotypic
324:Sherardia
190:Species:
177:Sherardia
146:Rubiaceae
70:Kingdom:
1721:VicFlora
1710:VASCAN:
1693:27900240
1688:Tropicos
1615:PalDat:
1533:2.136423
1484:10588455
1471:766342-1
1329:eFloraSA
1295:BioLib:
1233:Wikidata
1181:VicFlora
1170:VASCAN:
979:eFloraSA
913:Wikidata
816:Archived
573:arvensis
547:Taxonomy
455:and the
417:Ethiopia
229:Synonyms
142:Family:
126:Asterids
113:Eudicots
1785:Rubieae
1422:5339050
1347:1110294
1239:Q158352
1075:35341-1
1036:2908790
441:Bermuda
393:Madeira
347:species
338:in the
281:Tornab.
241:Hallier
172:Genus:
166:Rubieae
162:Tribe:
132:Order:
74:Plantae
1762:425726
1703:461536
1700:uBio:
1680:1451-1
1649:PLANTS
1608:782825
1566:NZOR:
1497:117113
1435:316921
1409:SHEARV
1406:FoIO:
1373:181967
1272:APDB:
1262:AoFP:
1212:425725
1145:PLANTS
1137:671670
1121:NZOR:
945:194871
942:APDB:
512:, but
496:bracts
484:whorls
478:is an
453:Canada
429:Mexico
425:Africa
409:Taiwan
389:Azores
379:) and
369:Turkey
365:Africa
361:Europe
355:, the
340:family
313:Gilib.
1757:WoRMS
1733:WoI:
1675:SANBI
1654:SHAR2
1625:PFI:
1577:NZPCN
1559:29803
1510:35237
1479:IRMNG
1458:13320
1455:IPA:
1448:47691
1368:EUNIS
1360:SHRAR
1321:4X4G4
1298:40581
1288:88690
1275:87522
1207:WoRMS
1150:SHERA
1114:25503
1088:35236
1062:47692
1049:11120
1023:22528
1010:1SHRG
997:29591
971:8W3K5
958:88680
449:Haiti
421:Sudan
332:genus
327:is a
305:Gand.
289:Gand.
273:Gand.
120:Clade
107:Clade
94:Clade
81:Clade
1713:9035
1662:POWO
1628:4089
1595:2749
1582:2735
1554:NCBI
1520:2606
1505:ITIS
1466:IPNI
1430:GRIN
1417:GBIF
1386:7362
1355:EPPO
1308:7542
1283:APNI
1265:1855
1173:1681
1158:POWO
1109:NCBI
1083:ITIS
1070:IPNI
1044:GRIN
1031:GBIF
1005:EPPO
953:APNI
639:2021
526:Uses
445:Cuba
1744:WFO
1736:614
1541:NBN
1492:ISC
1394:FNA
1342:EoL
1316:CoL
1194:WFO
1096:NBN
992:EoL
966:CoL
555:in
467:).
375:to
371:to
334:of
1781::
1759::
1746::
1723::
1690::
1677::
1664::
1651::
1638::
1605::
1592::
1579::
1556::
1543::
1530::
1507::
1494::
1481::
1468::
1445::
1432::
1419::
1396::
1383::
1370::
1357::
1344::
1331::
1318::
1285::
1250::
1235::
1209::
1196::
1183::
1160::
1147::
1134::
1111::
1098::
1085::
1072::
1059::
1046::
1033::
1020::
1007::
994::
981::
968::
955::
930::
915::
754:^
709:^
498:.
447:,
443:,
439:,
435:,
431:,
427:,
419:,
415:,
411:,
407:,
403:,
395:,
391:,
387:,
349:,
221:L.
183:L.
122::
109::
96::
83::
845:)
720:.
688:)
641:.
631:"
627:"
383:(
20:)
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