The
photo at right shows an albino form of shrubby penstemon as seen on the northern
slopes of Mt. Adams.........July 12, 2005.
Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon nelsoniae) -
Barrett's Beardtongue, Barrett's Penstemon: Penstemon barrettiae -
Cardwell's Beardtongue, Cardwell's Penstemon: Penstemon cardwellii - Reported from the mountain, but I'm not sure that its prescence has been verified. Plants shrubby and low growing. Anthers densely long-woolly with tangled hairs.
Lesser Yellow Beardtongue, Yellow Penstemon: Penstemon confertus - Flowers yellowish, the outer surface of the corolla glabrous.
Davidson's Beardtongue, Davidson's Penstemon: Penstemon davidsonii var. davidsonii (Synonyms: Penstemon menziesii ssp. davidsonii, Penstemon menziesii ssp. thompsonii) - Plants shrubby and low growing, the flowering stems generally not higher than 15 cm. Anthers densely long-woolly with tangled hairs. Leaf blades 1-2.5 times longer than wide and glabrous.
Davidson's Beardtongue, Davidson's Penstemon, Menzie's Penstemon: Penstemon davidsonii var. menziesii (Synonym: Penstemon davidsonii ssp. menziesii) - Reported for the mountain, but I don't believe its presence has been verified. Plants shrubby and low growing, the flowering stems generally not higher than 15 cm. Anthers densely long-woolly with tangled hairs. Leaf blades 1-2.5 times longer than wide and glabrous.
Glaucous Beardtongue, Glaucous Penstemon: Penstemon euglaucus -
Bush Penstemon, Shrubby Penstemon: Penstemon fruticosus var. fruticosus - Plants shrubby and low growing. Anthers densely long-woolly with tangled hairs.
Shrubby Penstemon: Penstemon fruticosus var. serratus (Synonym: Penstemon fruticosus ssp. serratus) - 1882 collectin by Thomas Howell
Egg-leaf Beardtongue, Broad-leaved Penstemon: Penstemon ovatus - Collected 1 mile north of Trout Lake in 1938. This area is now being developed for homes.
Small-flowered Penstemon: Penstemon procerus var. procerus -
Small-flowered Penstemon, Small-leaved Penstemon, Tiny-bloom Penstemon, Tolmie's Beardtongue, Tolmie's Penstemon: Penstemon procerus var. tolmiei -
Cut-leaf Penstemon, Richardson's Penstemon: Penstemon richardsonii var. richardsonii - Collected in the Klickitat Canyon about 9 miles SE of Conboy Lake NWR but not recently confirmed adjacent to Mt. Adams.
Cliff Beardtongue, Cliff Penstemon, Rock Penstemon: Penstemon rupicola (Synonym: Penstemon newberryi var. rupicola) - Plants shrubby and low growing, the flowering stems generally not higher than 15 cm. Anthers densely long-woolly with tangled hairs. Leaf blades 1-2.5 times longer than wide, glaucous and often covered with short, spreading hairs. Flowers bright, pink, red, pink-lavender or rose-purple. Corollas lacking hairs or only with a few hairs at the base of the inner lip.
Rydberg's Penstemon: Penstemon rydbergii (Synonym: -Penstemon rydbergii var. oreocharis) - Collected at Muddy Meadows. Observed on east side of King Mt.
Cascade Beardtongue, Cascade Penstemon, Coast Penstemon, Serrulate Penstemon: Penstemon serrulatus -
Fine-tooth Beardtongue, Fine-toothed Penstemon: Penstemon subserratus -