Description ²

• Fiddleheads: emerge early spring, dark red stems with short white hairs on back of unfurling leaves, few brown scales scattered along stem, hairs persist along leaf veins and midribs
• Fronds : once compound, 12 to 30 inches tall, erect to arching, triangular to egg-shaped in outline, leaflets widely spaced, 5 to 11 on each side of stem, stem is winged along the upper part of the leaf
• Spores : designated fertile frond, 5 to 11 pairs of branches contain spores in bead-like structures tightly packed along a branch, fertile fronds turn brownish black at maturity and persist through winter, releasing the spores the following year
• Fruiting season : Summer
• Height: 12-30 inches
• Habitat : moist woods, thickets, wet meadows, swamps, pond edges

Fontes e Créditos

1. (c) myiarchus22, alguns direitos reservados (CC BY-NC), http://www.flickr.com/photos/33592132@N03/3440571200
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
• 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)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• 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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