Zigadenus fremontii

(Torrey) Torrey ex S. Watson

Botany (Fortieth Parallel), 343. 1871.

Common names: Fremont’s death camas
Endemic
Basionym: Anticlea fremontii Torrey Pacif. Railr. Rep., 4(5): 144. 1856
Synonyms: Toxicoscordion fremontii (Torrey) Rydberg Toxicoscordion fremontii var. minor R. R. Gates Zigadenus fremontii var. inezianus Jepson Zigadenus fremontii var. salsus Jepson
Treatment appears in FNA Volume 26. Treatment on page 85. Mentioned on page 82.

Plants 1–8 dm, from bulbs; bulbs not clumped, tunicate, ovoid, 10–40 × 5–40 mm. Leaves: proximal blades 5–50 cm × 2–30 mm. Inflorescences racemose or paniculate, 2–80-flowered, broad, proximal branches 1/3–1/2 as long as entire inflorescence, spreading at 60°–90° angle. Flowers: perianth hypogynous, rotate, 15–25 mm diam.; tepals persistent in fruit, cream colored, 5–15 × 2–6 mm, outer very short clawed, inner distinctly clawed 2 mm; gland 1, obovate, distal margins evident, dentate; filaments straight, shorter than tepals, thickened proximally; pedicel ascending in flower to perpendicular to stem in fruit, 10–50 mm, bracts green, somewhat falcate, 5–50 mm. Capsules 8–30 × 4–11 mm. 2n = 22.


Phenology: Flowering Feb–Jun.
Habitat: Coastal and inland, central valley grassland chaparral, mixed evergreen forests
Elevation: 0–1000 m

Distribution

V26 82-distribution-map.jpg

Calif., Oreg., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Zigadenus fremontii"
90 +  and 60 +
introrse +, extrorse +  and transverse +
reniform +
Fayla C. Schwartz +
(Torrey) Torrey ex S. Watson +
whorled +, opposite +  and alternate +
dilated +
Anticlea fremontii +
reticulate-veined +  and parallel-veined +
falcate +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
membranous +
not clumped +
10mm +  and 40mm +
0.5 cm5 mm <br />0.005 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Fremont’s death camas +
Calif. +, Oreg. +  and Mexico (Baja California) +
0–1000 m +
connate-coroniform +  and dilated +
staminate +  and pedicellate +
perpendicular +
protandrous +  and bisexual +
loculicidal +  and septicidal +
membranaceous +  and leathery +
obovate +
Coastal and inland, central valley grassland chaparral, mixed evergreen forests +
paniculate +  and racemose +
2 cm20 mm <br />0.02 m <br /> (?) +
persistent +
many;several +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
cream colored +  and greenish or red tinged +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Flowering Feb–Jun. +
tapering +
5 cm50 mm <br />0.05 m <br /> (50 cm500 mm <br />0.5 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Botany (Fortieth Parallel), +
contractile +
ellipsoid +
wind-distributed +
2 +  and 20 +
flattened +  and elongate +
W2 +  and Endemic +
adnate +  and free +
staminodial +
rudimentary +
barely larger +
Toxicoscordion fremontii +, Toxicoscordion fremontii var. minor +, Zigadenus fremontii var. inezianus +  and Zigadenus fremontii var. salsus +
Zigadenus fremontii +
Zigadenus +
species +
cream colored +
persistent +
5mm;15mm +
2mm;6mm +
sepaloid +  and petaloid +
narrower +
rhizomatous +, bulbous +  and subscapose +
3 +  and 2 +
26 +, 11 +  and 8 +