Description ²

• Flower: Yellow elongated clusters
• Leaves: alternately arranged, no basal rosette, strongly 3-nerved, 2½ to 6½ inches long, ½ to 1¾ inches wide, lance-elliptic, broadest near middle, sharp point at tip, stalkless base, edges are serrated to coarsely toothed with long, sharp teeth, uppermost leaves may be toothless or nearly so, largest around mid-stem, not much smaller above, lower stem leaves often withered away by flowering time
• Fruit/Seed: dry seed, tuft of whitish hairs
• Height: 2-6 feet
• Flowering: August - October
• Habitat: open meadows, fields, woodland edges, roadsides, marshes, swamps, along streams and rivers

Fontes e Créditos

1. (c) Hermann Falkner, alguns direitos reservados (CC BY-NC), http://www.flickr.com/photos/40826335@N05/4830604633
2. (c) Minnesota Scientific and Natural Areas, alguns direitos reservados (CC BY-SA)

Mais informações

• BioDiversity4All taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online
• 日本のレッドデータ検索システム
• 植物和名−学名インデックス YList

BioDiversity4All Mapa