Stenanthium occidentale

A. Gray

Proc. Amer. Acad. Arts 8: 405. 1873.

Common names: Bronze-bells mountain-bells
Endemic
Synonyms: Stenanthella occidentalis (A. Gray) Rydberg Stenanthium rhombipetalum Suksdorf
Treatment appears in FNA Volume 26. Treatment on page 89. Mentioned on page 88.

Bulbs ovoid, 2–4 cm. Stems 1.5–4.5(–6) dm. Leaves several, mostly proximal; blade linear to oblanceolate, weakly keeled, 15–30 × 0.6–2.5 cm, apex acute. Inflorescences racemose and 3–6-flowered or paniculate and to 25-flowered; bracts lanceolate, 6–10 mm. Flowers drooping; perianth narrowly tubular-campanulate; tepals recurved distally, greenish to brownish purple, oblong-lanceolate, 10–20 mm, apex gradually acuminate; tepal glands present; stamens 7–8 mm; filaments subequal; pedicel ascending to erect, 1–3 cm. Capsules lanceoloid, 12–16 mm including slender style beaks, apex gradually acuminate. Seeds brownish black, narrowly oblong, 3–4 mm. 2n = 16.


Phenology: Flowering late spring–mid summer.
Habitat: Wet cliffs, rocky crevices, montane meadows, mossy scree
Elevation: 0–2500 m

Distribution

V26 91-distribution-map.jpg

Alta., B.C., Calif., Idaho, Mont., Oreg., Wash.

Discussion

Stenanthium occidentale is similar to a circum-northern Pacific and Sakhalin Island endemic, S. sachalinense F. Schmidt, which may be conspecific (S. M. Kupchan et al. 1961; F. H. Utech 1987).

Selected References

None.

Lower Taxa

None.
... more about "Stenanthium occidentale"
Frederick H. Utech +
A. Gray +
Veratrum subg. Stenanthium +
Bronze-bells +  and mountain-bells +
Alta. +, B.C. +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
0–2500 m +
Wet cliffs, rocky crevices, montane meadows, mossy scree +
Flowering late spring–mid summer. +
Proc. Amer. Acad. Arts +
Stenanthella occidentalis +  and Stenanthium rhombipetalum +
Stenanthium occidentale +
Stenanthium +
species +