Penstemon glandulosus |
Penstemon wilcoxii |
|
---|---|---|
glandular penstemon |
Wilcox's beardtongue |
|
Habit | Stout perennial herb from a branched, woody base, the several stems 4-10 dm. tall, sticky throughout with stalked glands. | Perennial from a branched, woody base, the clustered stems 3-10 dm. tall, usually glabrous except for the inflorescence |
Leaves | Leaves opposite, sharply toothed or entire, the basal ones 10-35 cm. long and 2.5-9 cm. wide, petiolate, the blade lanceolate to elliptic; lowermost cauline leaves reduced, the others well-developed, sessile and often clasping, broadly lanceolate to rotund-ovate, 4-12 cm. long and 2-5 cm. wide. |
Leaves opposite, strongly serrate with slender teeth, the basal leaves well-developed, elliptic to deltoid-ovate, the blade up to 9 cm. long and 5 cm. wide, about equal to the petiole; cauline leaves often larger than the basal, sessile, 4-10 cm. long and 1.5-4 cm. wide. |
Flowers | Inflorescence of several verticillasters; calyx 9-15 mm. long, the 5 segments narrow and herbaceous; corolla blue-lavender, strongly glandular-hairy outside, glabrous inside, 28-40 mm. long, over 1 cm. wide at the mouth; anthers permanently horseshoe-shaped, 1.7-2.3 mm. long; pollen sacs dehiscent across their apices, the lower part saccate and indehiscent, glabrous; staminode glabrous, the tip flattened. |
Inflorescence of several large, loose verticillasters; calyx 2.5-5 mm. long, the 5 segments broadly lanceolate, narrowly scarious-margined; corolla blue, the paler throat with guide lines, 15-23 mm. long, the tube 4-8 mm. wide at the mouth, glandular-hairy on the outside, strongly bilabiate, the lower lip much longer than the upper, the raised portion bearded; pollen sacs 0.7-1.0 mm. long, wholly dehiscent, becoming opposite, glabrous; staminode with a recurved, bearded tip. |
Fruits | Capsules 10-14 mm. long, surpassed by the calyx. |
Capsule 4-6 mm. long. |
Penstemon glandulosus |
Penstemon wilcoxii |
|
Flowering time | May-July | May-July |
Habitat | Open, often rocky hillsides and banks in the foothills, valleys, and lower mountains. | Open or often wooded, sometimes in rocky places, from the foothills to moderate elevations in the mountains. |
Distribution | Occurring east of the Cascades crest in Washington; central Washington to north-central Oregon, and from southeastern Washington to eastern Oregon, east to Idaho.
|
Occurring east of the Cascades crest in eastern Washington; Washington to Oregon, east to Montana.
|
Origin | Native | Native |
Conservation status | Not of concern | Threatened in Washington (WANHP) |
Sibling taxa | ||
Subordinate taxa | ||
Web links |