Penstemon rattanii |
Penstemon richardsonii |
|
---|---|---|
Richardson's penstemon |
||
Habit | Taprooted perennial, shrubby at the base, the several brittle, slender stems 2-8 dm. tall, puberulent, the inflorescence glandular-hairy and the leaves often glabrous. | |
Leaves | Leaves opposite, all cauline, the lower reduced and short-petiolate, the others sessile, sharply serrate-dentate to irregularly pinnatifid, up to 7 cm. long and 3 cm. wide. |
|
Flowers | Inflorescence a terminal panicle, leafy-bracteate below; calyx 4-8 mm. long, the 5 segments green or purplish, mostly entire, often unequal; corolla bright lavender to purplish-red, glandular-hairy outside, mostly glabrous within, 22-32 mm. long, over 1 cm. wide at the mouth, strongly bilabiate, the upper lip cleft nearly half its length; anthers 1.3-1.7 mm. long, permanently horseshoe shaped, the pollen sacs saccate and indehiscent below; staminode shortly exerted, long-bearded toward the tip, or glabrous. |
|
Fruits | Capsule 5-8 mm. long |
|
Penstemon rattanii |
Penstemon richardsonii |
|
Flowering time | June-August | |
Habitat | Cliff crevices and other dry, rocky places at low to moderate elevations. | |
Distribution | Occurring east of the Cascades crest in Washington; southern British Columbia to north-central and northeast Oregon.
|
|
Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |