Zigadenus vaginatus

(Rydberg) J. F. Macbride

Contr. Gray Herb. 53: 4. 1918.

Common names: Sheathed death camas
EndemicConservation concern
Basionym: Anticlea vaginata Rydberg Bull. Torrey Bot. Club 39: 108. 1912
Treatment appears in FNA Volume 26. Treatment on page 87. Mentioned on page 82.

Plants 4–6 dm, from bulbs; bulbs not clumped, tunicate, narrowly ovoid, 3–6 × 1.5–3 cm. Stems with persistent leaf bases proximally. Leaves: proximal blades 25–40 cm × 5–12 mm. Inflorescences paniculate, 15–30-flowered, with 1–4 branches, 1.5–3 dm × 3–6 cm, proximal branches 7–8 cm. Flowers: perianth perigynous, rotate to rotate-campanulate, 10–15 mm diam.; tepals white, ovate, 3–6 × 3–4 mm, somewhat narrowed at base, apex broadly rounded; gland 1, obcordate, thick; pedicel ascending at anthesis, 1–1.5 cm, bracts often streaked with purple, ovate, 3–6 mm. Capsules narrowly conic, 7–8 mm. 2n = 32.


Phenology: Flowering Aug.
Habitat: Wet sandstone ledges of canyons, “hanging garden” community
Elevation: 1100–1900 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Zigadenus vaginatus"
Fayla C. Schwartz +
(Rydberg) J. F. Macbride +
Anticlea vaginata +
Sheathed death camas +
Colo. +  and Utah. +
1100–1900 m +
Wet sandstone ledges of canyons, “hanging garden” community +
Flowering Aug. +
Contr. Gray Herb. +
Endemic +  and Conservation concern +
Anticlea +, Chitonia +, Cyanotris +, Oceanoros +, Toxicoscordion +  and Tracyanthus +
Zigadenus vaginatus +
Zigadenus +
species +