Zigadenus venenosus var. venenosus

Common names: Meadow death camas
Endemic
Synonyms: Toxicoscordion arenicola A. Heller Toxicoscordion salinum (A. Nelson) R. R. Gates Zigadenus diegoensis Davidson Zigadenus salinus A. Nelson Zigadenus venenosus var. ambiguus
Treatment appears in FNA Volume 26.

Inflorescences mostly racemose, occasionally paniculate with 1 basal branch, 2–20 × 2–5 cm. Flowers: outer tepals usually clawed to 5 mm. Capsules 8–12 × 4–5 mm.


Phenology: Flowering Apr–Jul.
Habitat: Coastal areas, well-drained grasslands
Elevation: 0–2500 m

Distribution

V26 77-distribution-map.jpg

B.C., Calif., Idaho, Nev., Oreg., Utah, Wash.

Discussion

The inflorescences of most plants in each population of var. venenosus are racemose, but those of a few individuals are paniculate, with a single short basal branch.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."/10lengthofentireinflorescence" is not declared as a valid unit of measurement for this property."thicker" is not a number.

introrse +, extrorse +  and transverse +
reniform +
Fayla C. Schwartz +
S. Watson +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
white +  and green +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
membranous +
not clumped +
10mm +  and 30mm +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Meadow death camas +
B.C. +, Calif. +, Idaho +, Nev. +, Oreg. +, Utah +  and Wash. +
0–2500 m +
connate-coroniform +  and dilated +
staminate +  and pedicellate +
protandrous +  and bisexual +
loculicidal +  and septicidal +
membranaceous +  and leathery +
obovate +
Coastal areas, well-drained grasslands +
paniculate +  and racemose +
2 cm20 mm <br />0.02 m <br /> (?) +  and 20 cm200 mm <br />0.2 m <br /> (?) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
persistent +
many;several +
perpendicular +  and ascending +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
cream colored +  and greenish or red tinged +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
campanulate +
Flowering Apr–Jul. +
tapering +
12 cm120 mm <br />0.12 m <br /> (50 cm500 mm <br />0.5 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Proc. Amer. Acad. Arts +
contractile +
ellipsoid +
wind-distributed +
2 +  and 20 +
flattened +  and elongate +
W2 +, W1 +  and Endemic +
adnate +  and free +
staminodial +
rudimentary +
barely larger +
Toxicoscordion arenicola +, Toxicoscordion salinum +, Zigadenus diegoensis +, Zigadenus salinus +  and Zigadenus venenosus var. ambiguus +
Zigadenus venenosus var. venenosus +
Zigadenus venenosus +
variety +
cream colored +
persistent +
1mm;3mm +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
sepaloid +  and petaloid +
narrower +
rhizomatous +, bulbous +  and subscapose +
3 +  and 2 +
26 +, 11 +  and 8 +