Botrychium ascendens |
Botrychium pinnatum |
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upswept moonwort |
northwestern moonwort, St. John |
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General | Terrestrial perennials up to 15 cm, from 10 or fewer yellow to brown roots 0.5-1.5 mm in diameter at 1 cm from base. |
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Leaves | Trophophore blade bright and shiny, oblong-deltate, 1-2-pinnate, up to 8 cm long and 5 cm broad, stalk 0-2 mm; trophophore pinnae in up to 7 pairs, slightly ascending, space between 1st and 2nd pinnae equal to or slightly greater than the spaces between 2nd and 3rd pairs, basal pinna pair approximately same size and cutting as adjacent pair, obliquely ovate to lanceolate-oblong to spatulate, lobed deeply and regularly or pinnulate, lobed to apex, margins entire to very shallowly scalloped, apex truncate to slightly acute, venation pinnate; sporophores 2-pinnate, 1-2 times the length of the trophophore. |
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Spores | Sporangium nearly completely exposed, borne in 2 rows on pinnate sporophore branches; spore surfaces wrinkled and somewhat warty. |
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Botrychium ascendens |
Botrychium pinnatum |
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Habitat | Montane to subalpine meadows. | Moist subalpine meadows to closed forests, often near seeps. |
Distribution | Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta, Montana, Wyoming, and Colorado.
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Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
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Origin | Native | Native |
Conservation status | Sensitive in Washington (WANHP) | Not of concern |
Sibling taxa | ||
Web links |
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