Penstemon triphyllus |
Penstemon labrosus |
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whorled beardtongue |
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Habit | Taprooted perennial, shrubby at the base, the numerous, slender and brittle stems 2.5-8 dm. tall, puberulent. | |
Leaves | Leaves irregularly arranged, many ternate or whorled, others opposite or single, glabrous or puberulent, all cauline, the lowermost reduced, the others numerous, sessile from a narrow base, linear or narrowly lance-elliptic, up to 5 cm. long and 1 cm. wide, irregularly and sharply toothed. |
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Flowers | Inflorescence a loose panicle, often leafy-bracteate below; calyx 4-6 mm. long, the 5 segments green or purplish, entire, often unequal; corolla blue-lavender to light purple-violet, 13-19 mm. long, weakly bilabiate, glandular-hairy outside and glabrous within, the upper lip cleft more than half its length; anthers 0.9-1.3 mm. long, permanently horseshoe-shaped, the pollen sacs saccate and indehiscent below; staminode exerted, long-bearded half its length. |
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Fruits | Capsule 4-6 mm. long |
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Penstemon triphyllus |
Penstemon labrosus |
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Flowering time | May-July | |
Habitat | Cliff crevices and dry, rocky banks and slopes at low elevations. | |
Distribution | Occurring chiefly east of the Cascades crest in the southeastern area of Washington; Southeast Washington south to adjacent Oregon and east to adjacent Idaho.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |