Psilocarphus oregonus |
Asteraceae tribe Gnaphalieae |
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Oregon woollyheads |
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Habit | Slender annual, the much-branched stem up to 15 cm. long, becoming prostrate, often matted; herbage closely silvery-woolly. | |
Leaves | Leaves opposite, entire, linear or linear-lanceolate, 6-20 mm. long and 1-3 mm. wide, usually surpassing the heads. |
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Flowers | Heads discoid, spheroid, terminal, but subtended by a pair of branches and leaves; involucre none; receptacle sub-globose, covered with scales; outer flowers pistillate, numerous, the short, narrow, tubular corolla loosely enclosed by a saccate, woolly bract (scale), which bears an appendage below the summit; central flowers few, staminate; pappus none. |
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Fruits | Achene 0.6-1.2 mm. long, swollen, smooth. |
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Psilocarphus oregonus |
Asteraceae tribe Gnaphalieae |
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Flowering time | May-July | |
Habitat | Dried beds of vernal pools, and seasonally wet rocky slopes. | |
Distribution | Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Nevada.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |
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