Species Identification

Interested in the identification of penstemons? Please select a species then click on submit:

Attribute	The current selection is Penstemon_leonensis
Classification	Penstemon Penstemon Fasciculus Fasciculi
General	Nuevo Leon Penstemon This species is similar to P. gentianoides, but all its parts are smaller. It forms a good-looking clump. Blooms: mid-July to September.
Anther	Boat-shaped (naviculate), opposite, opening flat, smooth.
Staminode	Densely yellow-bearded, tip dilated.
Leaves	To 5 cm (2”) long; lower leaves 1/6 as wide, upper leaves 1/3 as wide, bracts (reduced leaves in inflorescence) ovate, to 35 mm (1 ¼”) long & ½ as wide, small fascicles, entire.
Stems	5-6 dm (20-24”) tall, many and leafy.
Inflorescense	Cyme to 2 cm (3/4”) long, 2-4 flowered on one side of stems, with 1-2 flowers open at each node at a time.
Corolla	25 mm (1”) long, expanded abruptly bell-shaped, widely, 2-lipped, red-purple to deep purple, white inside, sticky-hairy, white in lower throat and deep red guidelines.
Flower Color
Calyx	3 cm (>1”) long, sepals sharply tipped.
Habitat	Below timberline open pine forests in high mountain elevations, 3000-3350 m (9800-11,000’).
Range	Western Durango, Nuevo Leon, Sierra Madre Oriental (east side) MX.