Zigadenus virescens

(Kunth) J. F. Macbride

Contr. Gray Herb. 53: 4. 1918.

Common names: Green death camas
Basionym: Helonias virescens Kunth in A. von Humboldt et al., Nov. Gen. Sp. 1: 267. 1816
Synonyms: Anticlea mexicana Kunth Anticlea virescens (Kunth) Rydberg Zigadenus mexicanus (Kunth) Hemsley Zigadenus porrifolius Greene Zigadenus virescens var. porrifolius (Greene) O. S. Walsh ex Espejo & López-Ferrari
Treatment appears in FNA Volume 26. Treatment on page 87. Mentioned on page 82, 88.

Plants 3.5–8.5 dm, from bulbs; bulbs not clumped, tunicate, narrowly ovoid, 3–5 × 1–1.5 cm. Leaves: proximal blades 25–45 cm × 3–20 mm. Inflorescences racemose to paniculate, 15–30-flowered, with 1–4 branches. Flowers nodding; perianth perigynous, campanulate, 4–8 mm diam.; tepals greenish, sometimes tinged with purple, ovate, 4–6 × 1.5–3 mm, somewhat narrowed at base, apex narrowly obtuse; gland 1, obcordate, thick; pedicel recurved at anthesis, 1.5–2 cm, bracts often tinged with purple or pink, ovate, 5–20 mm. Capsules narrowly conic, 10–20 mm. 2n = 32.


Phenology: Flowering Jul–Aug.
Habitat: Montane coniferous forests
Elevation: 1000–3200 m

Distribution

V26 88-distribution-map.jpg

Ariz., Colo., N.Mex., s Mexico

Discussion

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thicker" is not a number.

... more about "Zigadenus virescens"
introrse +, extrorse +  and transverse +
reniform +
Fayla C. Schwartz +
(Kunth) J. F. Macbride +
whorled +, opposite +  and alternate +
dilated +
Helonias virescens +
reticulate-veined +  and parallel-veined +
, +  and tinged with purple or tinged with pink +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
membranous +
1 +  and 4 +
not clumped +
3cm +  and 5cm +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Green death camas +
Ariz. +, Colo. +, N.Mex. +  and s Mexico +
1000–3200 m +
connate-coroniform +  and dilated +
staminate +  and pedicellate +
protandrous +  and bisexual +
loculicidal +  and septicidal +
membranaceous +  and leathery +
obcordate +
Montane coniferous forests +
racemose +  and paniculate +
persistent +
many;several +
cream colored +  and greenish or red tinged +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
campanulate +
Flowering Jul–Aug. +
tapering +
25 cm250 mm <br />0.25 m <br /> (45 cm450 mm <br />0.45 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Contr. Gray Herb. +
contractile +
ellipsoid +
wind-distributed +
2 +  and 20 +
flattened +  and elongate +
adnate +  and free +
staminodial +
rudimentary +
barely larger +
Anticlea mexicana +, Anticlea virescens +, Zigadenus mexicanus +, Zigadenus porrifolius +  and Zigadenus virescens var. porrifolius +
Zigadenus virescens +
Zigadenus +
species +
tinged with purple;greenish +
narrowed +  and ovate +
1.5mm;3mm +
sepaloid +  and petaloid +
narrower +
rhizomatous +, bulbous +  and subscapose +
3 +  and 2 +
26 +, 11 +  and 8 +