Veratrum insolitum


Fl. Calif. 1: 266. 1921.

Common names: Siskiyou false hellebore
Treatment appears in FNA Volume 26. Treatment on page 74. Mentioned on page 73.

Stems 1–1.5 m, grayish-hairy distally. Leaf blades elliptic, distal lanceolate, 10–35 × 7–21 cm, reduced distally, grayish-hairy, at least when young. Inflorescences paniculate, with ascending branches, 20–50 cm, grayish-hairy; bracts ovate to lanceolate, shorter than flowers. Tepals creamy white to yellow, broadly ovate, not clawed, 6–15 mm, margins strongly erose-ciliate or inner shallowly fimbriate; gland 1, basal, green, V-shaped, elliptic; ovary densely tomentose; pedicel 6–15 mm. Capsules oblong-ovoid, 2–3 cm, densely tomentose. Seeds flat, broadly winged, 10–15 mm. 2n = 32.

Phenology: Flowering summer–fall.
Habitat: Stream banks, moist meadows, mixed-evergreen forest margins
Elevation: 0–1500 m


The only other whitish-flowered species in North America, Veratrum californicum, which might be confused with V. insolitum, has entire, unfringed tepals, and only slightly hairy ovaries.

Selected References


Lower Taxa

... more about "Veratrum insolitum"
Dale W. McNeal Jr. +  and Aaron D. Shaw +
Jepson +
Siskiyou false hellebore +
Calif. +, Oreg. +  and Wash. +
0–1500 m +
Stream banks, moist meadows, mixed-evergreen forest margins +
Flowering summer–fall. +
Acelidanthus +, Evonyxis +  and Leimanthium +
Veratrum insolitum +
Veratrum +
species +