Bolandra oregana

S. Watson

Proc. Amer. Acad. Arts 14: 292. 1879,.

Treatment appears in FNA Volume 8. Treatment on page 121. Mentioned on page 120.

Leaves: petiole 3–15 cm; blade shallowly lobed, 2–7 cm, ultimate margins serrate. Inflorescences 6–18-flowered, 16–40 cm, stipitate-glandular; bracts subtending pedicels conspicuous, auriculate. Flowers: hypanthium campanulate-urceolate, 5–10 mm, glabrous; sepals 6–10 mm, apex long-acuminate; petals usually reddish purple to dark purple, narrowly lanceolate, unlobed, 7–12(–14) mm, apex long-tapered; stamens included, 2 mm; ovaries connate proximally 1/4 their lengths; styles barely exserted, 2 mm; stigmas distinct. Capsules brown, ovoid, 8–9 mm. Seeds 100–125, 0.7–9 mm. 2n = 14.

Phenology: Flowering May–Jul.
Habitat: Wet, shaded, rocky crevices and cliffs, usually near water courses
Elevation: 0-1400 m


Bolandra oregana is found in northern Oregon and southern Washington in the vicinity of the Columbia River gorge and in the Snake River region of eastern Oregon and Idaho.

Selected References


Lower Taxa

... more about "Bolandra oregana"
Elizabeth Fortson Wells +  and Patrick E. Elvander† +
S. Watson +
Idaho +, Oreg. +  and Wash. +
0-1400 m +
Wet, shaded, rocky crevices and cliffs, usually near water courses +
Flowering May–Jul. +
Proc. Amer. Acad. Arts +
Illustrated +  and Endemic +
Bolandra oregana +
Bolandra +
species +