Flora of North America species comparison

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Zigadenus vaginatus

sheath death camas
Habit 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.

Zigadenus vaginatus
Phenology Flowering Aug.
Habitat Wet sandstone ledges of canyons, “hanging garden” community
Elevation 1100–1900 m (3600–6200 ft)
Distribution
from FNA
CO; UT
[WildflowerSearch map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 87.
Parent taxa Liliaceae > Zigadenus
Sibling taxa
Z. brevibracteatus, Z. densus, Z. elegans, Z. exaltatus, Z. fontanus, Z. fremontii, Z. glaberrimus, Z. micranthus, Z. mogollonensis, Z. nuttallii, Z. paniculatus, Z. venenosus, Z. virescens
Synonyms Anticlea vaginata
Name authority (Rydberg) J. F. Macbride: Contr. Gray Herb. 53: 4. (1918)
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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