Species Identification

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

AttributeThe current selection is Penstemon_brandegeei
ClassificationPenstemon Habroanthus Glabri
GeneralLarge-flowered, gorgeous, sky-blue, stocky plant; showy in cultivation. Some botanists consider this a variety of P. glaber. Blooms: June to July.
Anther1-2mm, 2 cells spread widely, not opening at hairy, outer edges, black.
Staminodewhite, smooth, exserted beyond corolla, notched and expanded at tip.
Leaves1.5-2.5 cm (2/3-1) long, lanceolate, glaucous.
Stemsstout and 80-90 cm (24-36) tall and as wide in older specimens.
Inflorescense5-13 cm (to 5) long, secund (one-sided arrangement).
Corolla>38 mm (to 2) large, blue to blue-violet flowers, and bracts reaching beyond the inflorescence, often white beneath.
Flower Color
Calyx2mm long, sepals ovate coming to a point.
HabitatPlains, rocky slopes, road cuts along Raton Pass, NM, 2700m, (7000).
Rangescattered southern counties of CO, and n NM.