Flora of North America species comparison

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Veratrum insolitum

Siskiyou false-hellebore, Siskiyou wild hellebore
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.
Capsules

oblong-ovoid, 2–3 cm, densely tomentose.
Seeds

flat, broadly winged, 10–15 mm.
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.
2n

= 32.

Veratrum insolitum
Phenology Flowering summer–fall.
Habitat Stream banks, moist meadows, mixed-evergreen forest margins
Elevation 0–1500 m (0–4900 ft)
Distribution
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 74.
Parent taxa Liliaceae > Veratrum
Sibling taxa
V. album, V. californicum, V. fimbriatum, V. viride
Name authority Jepson: Fl. Calif. 1: 266. (1921)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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