Blooms: May-July
Habit: herb
Duration: annual
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Occurring east of the Cascades in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Dried beds of vernal pools.
Habit: herb
Duration: annual
Origin: Native
Conservation Status: Abundant; of no concern.
Distribution: Occurring east of the Cascades in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Dried beds of vernal pools.
Species Description:
General: 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.
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.
Fruits: Achene 0.6-1.2 mm. long, swollen, smooth.
General: 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.
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.
Fruits: Achene 0.6-1.2 mm. long, swollen, smooth.
Accepted Name:
Psilocarphus oregonus Nutt.Synonyms:
(none)
Treated in Flora of the PNW as:
Psilocarphus oregonus
Additional Resources:
PNW Herbaria Specimens: View list of Psilocarphus oregonus specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Psilocarphus oregonus specimens in the WTU Herbarium database.
Washington Flora Checklist: Psilocarphus oregonus treatment.
E-Flora BC: Psilocarphus oregonus atlas page.
CalPhotos: Psilocarphus oregonus images.
USDA Plants Database: Psilocarphus oregonus.
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
G. D. Carr, 2012
G. D. Carr, 2012
G. D. Carr, 2012
G. D. Carr, 2012
G. D. Carr, 2012
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 WA Native Plant Society |
