E-Flora BC: Electronic Atlas of the Flora of British Columbia

Penstemon richardsonii Douglas ex Lindl. var. richardsonii
Richardson's penstemon
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Penstemon richardsonii var. richardsonii
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Species Information

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General:
Perennial herb, shrubby at the base, from a stout taproot; stems usually numerous, erect, 20-80 cm tall, brittle, minutely hairy and also glandular-hairy in the inflorescence.
Leaves:
Opposite, unstalked or the lower short-stalked, lance-oblong, jaggedly toothed to irregularly pinnately cleft, to 7 cm long, smooth to minutely frosty-hairy on the upper surface.
Flowers:
Inflorescence a narrow terminal raceme or open branched panicle, of several to many short-stalked flowers; corollas magenta to rose-pink, tubular, 2-3.5 cm long, glandular-hairy on the outside, smooth within or with a few, long white hairs near the mouth, distinctly 2-lipped, the lower lip striped within; calyces 4-9 mm long, 5-lobed, the lobes lanceolate to egg-shaped, green or bluish, usually unequal and entire; fertile stamens 4, the anthers horseshoe-shaped, fringed with hairs on the sutures; sterile stamen short-exserted, long-bearded at its scarcely expanded tip.
Fruits:
Capsules, 5-8 mm long; seeds numerous, about 1 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry rocky or gravelly hillsides and roadcuts in the steppe zone; infrequent in SC BC; S to OR.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References