Penstemon glaber var. glaber

국표에 없다.

Family: Plantain (Plantaginaceae)
AKA: Western Smooth Beardtongue
Photo taken on: July 20, 2009
Location: Wet Mountains, Eastern CO
Life Zones: Foothills to montane
Habitat: Open woods, gravelly soils

Can grow to 24" with large leathery bright green leaves opposite on the stem. The blue flowers have pink throats and grow on one side of the stem. The sepals are rounded with a short, sharp tip.

Penstemon glaber has several varieties. They all have bright green, hairless leaves clasping the stem, some are thicker and leathery, shape varies from lance-shaped to almost triangular, some smooth-edged others wavy. Below are two varieties.

Flora of North America reference.

https://youtu.be/FGsgB9eyuJU