Epilobium species

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Scientific Name Epilobium anagallidifolium USDA PLANTS Symbol
EPAN4
Common Name Alpine Willowherb ITIS Taxonomic Serial No.
27283
Family Onagraceae (Evening Primrose) UC Jepsen
Reference
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Description Life zones and habitat: Montane to alpine life zones. Wet areas, tundra.
Plant: Small, tufted, mat-forming perennial 1 to 9 inches tall.
Leaves: Opposite, stem leaves vary from narrowly elliptic to ovate to oblanceolate, 1/2 to 1 inch long, dark green or red-tinged.
Inflorescence: A few small pink to rose flowers in a terminal raceme with 4 notched petals.
References: Descr. adapted from EFLORA-BC and www.swcoloradowildflowers.com.
Colorado Status
Native
Scientific Name Epilobium ciliatum ssp. ciliatum USDA PLANTS Symbol
EPCIC
Common Name Fringed Willowherb ITIS Taxonomic Serial No.
27294
Family Onagraceae (Evening Primrose) DiscoverLife.org
Reference
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Description Lifezones and habitat: Foothills and montane; moist or dry conditions, roadsides and meadows. Photos below taken in very wet forested area.
Plant: Highly variable species; erect perennial 8 to 48 inches tall, may be branched or not; upper stems with short hairs.
Leaves: Lower leaves opposite then alternate further up the stem; lanceolate with pointed tip, from less than 1/2-inch to almost 4 inches long; edges with small teeth.
Inflorence: Small light pink to lavender flowers on stalks, a leaf-like bract the base of each stalk at the axil with the stem; 4 notched petals, 8 stamens.
References: Descr. adapted from UCLA-Santa Monica, EFLORA-BC, and www.swcoloradowildflowers.com.
Colorado Status
Native
Scientific Name Epilobium hornemannii USDA PLANTS Symbol
EPHO
Common Name Hornemann's Willowherb ITIS Taxonomic Serial No.
27306
Family Onagraceae (Evening Primrose) UC Jepsen
Reference
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Description Life zones and habitat: Foothills to alpine. Moist areas, streambanks.
Plant: Erect, leafy perennial 6 to 18 inches tall.
Leaves: Opposite, ovate to lanceolate stem leaves, usually stalkless, 1/2 to 1-3/4-inch long; edges smooth or with a few small teeth.
Inflorence: Small deep pink flowers on stalks 1/4 to 2 inches long, each with 4 notched petals.
References: Descr. adapted from www.swcoloradowildflowers.com and plant-life.org.
Colorado Status
Native



© Tom Lebsack 2017