Description ²

• Flower: White rounded cluster around stem
• Leaves: up to 3 inches long and 1 inch wide, coarsely toothed around edges, generally lance-elliptic, pointed tip, wedge-shaped base, on a short stalk, oppositely attached with leaf pairs at right angles to the pair above and below
• Fruit/Seed: set of 4 nutlets forming a square, each nutlet containing a single seed
• Height: 6-30 inches
• Flowering: July - September
• Habitat: Shores, wet meadows

Fontes e Créditos

1. (c) pverdonk, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/per_verdonk/2231212707/
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
• 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

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