Description ²

• Shape: Many-stemmed shrub
• Leaf/Branch Arrangement: Alternate
• Flower: elongated cluster – catkin, male; yellow/brown, cylindrical, 1/3-¾ inch long, female; ¼-1/3 inch long, red filament-like stigmas
• Leaves: ¾-2½ inches long, 1/3-¾ inch wide, widest above the middle, tips rounded with several pairs of rounded teeth, long taper to wedge-shaped base, surfaces heavily dotted with minute yellow glands
• Bark: grey/brown, twigs red/brown
• Fruit/Seed: flattened, egg-shaped nutlets, 1/8 inch long, stubby beak, compact cluster 1/3-½ inch long,
• Height: 2-4 feet
• Flowering: April - May
• Habitat: lake shores, stream banks, bogs, fens

Sources and Credits

1. (c) clarisacurtis, some rights reserved (CC BY-NC)
2. (c) Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora Digital de Portugal
• 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)
• 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

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