Penstemon radicosus |
Penstemon procerus |
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small-flowered penstemon |
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Habit | Plants tufted from a woody rhizome, the slender stems 0.5-4 dm. tall, glabrous throughout. | |
Leaves | Leaves opposite, entire, the basal ones petiolate, oblanceolate to elliptic, up to 10 cm. long and 1.5 cm. wide, often poorly developed; cauline leaves few, mostly sessile, often much smaller that the basal leaves. |
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Flowers | Inflorescence of 1-several, very dense verticillasters, the flowers curved downward; calyx 1.5-6 mm. long, the 5 segments truncate to acute, the margins scarious; corolla deep blue-purple, 6-11 mm. long, the tube narrow, 2-3 mm. wide at the mouth, not strongly bilabiate, the raised part of the lower lip bearded; staminode usually bearded, sometimes glabrous; pollen sacs glabrous, sub-rotund, wholly dehiscent and opening wide enough to form a plane. |
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Fruits | Capsules 5-8 mm. long and seeds approximately 1 mm. in length. |
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Penstemon radicosus |
Penstemon procerus |
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Flowering time | June-August | |
Habitat | Moist forest openings at moderate elevations to rocky slopes at high elevations. | |
Distribution | Widely distributed throughout Washington; Alaska south to California, east to North Dakota, Wyoming and Colorado.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
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