Penstemon glaber |
Penstemon deustus |
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hot-rock penstemon |
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Habit | Plants with a much-branched, woody base, the flowering stems simple and erect, 2-6 dm. tall; plants usually glandular in the inflorescence, otherwise glabrous. | |
Leaves | Leaves opposite, ternate, whorled or scattered, sharply toothed to entire; leaves on the short, sterile shoots oblanceolate to elliptic and short-petiolate, those on the flowering stems usually sessile and broad-based, up to 6 cm. long and 2.5 cm. wide. |
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Flowers | Inflorescence of several verticillasters, often rather loose; calyx 2.5-6 mm. long, the 5 segments lanceolate; corolla dull whitish with some purplish lines within, sometimes washed with lavender, 8-20 mm. long, the tube narrow; staminode glabrous or hairy, not expanded toward the tip; pollen sacs 0.5-0.9 mm. long, glabrous, dehiscent throughout, widely spreading. |
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Fruits | Capsule 3-5 mm. long. |
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Penstemon glaber |
Penstemon deustus |
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Flowering time | May-July | |
Habitat | Open rocky roadsides, hillsides, and rock outcrops, sometimes in dry meadows, lowland to middle elevations in the mountains. | |
Distribution | Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |