Penstemon strictus

  • Family: Plantaginaceae
  • Common Name: Rocky Mountain penstemon
  • Symbol: PEST2
  • Description: General: Perennial, 20-70 cm tall; stems 1 to a few, erect to ascending; herbage glabrous, sometimes puberulent at the base; caudex somewhat woody. Leaves: Basal and cauline, opposite, narrowly oblanceolate, 5-15 cm long, 5-16 mm wide, the upper cauline blades smaller and linear, margins entire; basal and lower cauline blades petiolate, upper cauline blades sessile. Flowers: Inflorescence of 7-12 whorls of cymes, the lower cymes 2- 5 flowered; pedicels glandular-pubescent; calyx 4-6 mm long, up to 8 mm long in fruit, the lobes lanceolate to narrowly ovate, glandular-pubescent; corolla scarlet to orange-red, glandular-pubescent, sparsely so externally, 22-35 mm long, gradually expanding, strongly bilabiate, the upper lip projecting, forming a hood, the lower lip strongly reflexed, pale yellow, glabrous; staminode included, glabrous; flowers June-September. Fruits: Capsule, 8-13 mm long. Ecology: Wooded slopes, open meadows, limestone ridges, ponderosa pine, spruce fir forests; 2000-2400 m General: Perennial, 20-70 cm tall; stems 1 to a few, erect to ascending; herbage glabrous, sometimes puberulent at the base; caudex somewhat woody. Leaves: Basal and cauline, opposite, narrowly oblanceolate, 5-15 cm long, 5-16 mm wide, the upper cauline blades smaller and linear, margins entire; basal and lower cauline blades petiolate, upper cauline blades sessile. Flowers: Inflorescence of 7-12 whorls of cymes, the lower cymes 2- 5 flowered; pedicels glandular-pubescent; calyx 4-6 mm long, up to 8 mm long in fruit, the lobes lanceolate to narrowly ovate, glandular-pubescent; corolla scarlet to orange-red, glandular-pubescent, sparsely so externally, 22-35 mm long, gradually expanding, strongly bilabiate, the upper lip projecting, forming a hood, the lower lip strongly reflexed, pale yellow, glabrous; staminode included, glabrous; flowers June-September. Fruits: Capsule, 8-13 mm long. Ecology: Wooded slopes, open meadows, limestone ridges, ponderosa pine, spruce fir forests; 2000-2400 m

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