Zigadenus brevibracteatus

(M. E. Jones) H. M. Hall

Univ. Calif. Publ. Bot. 6: 165. 1915.

Common names: Desert death camas
Endemic
Basionym: Zigadenus fremontii var. brevibracteatus M. E. Jones Contr. W. Bot. 12: 78. 1908 (as Zygadenus)
Synonyms: Toxicoscordion brevibracteatus (M. E. Jones) R. R. Gates
Treatment appears in FNA Volume 26. Mentioned on page 86.
Revision as of 05:10, 30 July 2020 by imported>Volume Importer
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Plants 3–6 dm, from bulbs; bulbs not clumped, tunicate, ovoid, 18–40 × 9–35 mm. Leaves: proximal blades 10–30 cm × 3–8 mm. Inflorescences usually paniculate, 20–80-flowered, with 1–8 branches, terminal raceme 10–45 × 3–8 cm. Flowers: perianth hypogynous, 10–20 mm diam.; tepals persistent in fruit, cream colored, elliptic, 4–7 × 2–5 mm, outer not clawed; gland 1, obovate, distal margins evident; filaments thin and curved, shorter than tepals; pedicel usually perpendicular to stem in fruit, 12–40 mm, bracts green, 2–8 mm. Capsules 8–16 × 5–10 mm. 2n = 22.


Phenology: Flowering Apr–Jun.
Habitat: Creosote bush scrub, Joshua tree woodlands, sandy areas of the Mojave and Colorado deserts
Elevation: 600–1500 m

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Zigadenus brevibracteatus"
introrse +, extrorse +  and transverse +
reniform +
Fayla C. Schwartz +
(M. E. Jones) H. M. Hall +
whorled +, opposite +  and alternate +
dilated +
Zigadenus fremontii var. brevibracteatus +
reticulate-veined +  and parallel-veined +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
membranous +
1 +  and 8 +
not clumped +
18mm +  and 40mm +
0.9 cm9 mm <br />0.009 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Desert death camas +
600–1500 m +
connate-coroniform +  and dilated +
staminate +  and pedicellate +
protandrous +  and bisexual +
loculicidal +  and septicidal +
membranaceous +  and leathery +
obovate +
Creosote bush scrub, Joshua tree woodlands, sandy areas of the Mojave and Colorado deserts +
persistent +
many;several +
perpendicular +
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
cream colored +  and greenish or red tinged +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering Apr–Jun. +
tapering +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Univ. Calif. Publ. Bot. +
contractile +
ellipsoid +
wind-distributed +
2 +  and 20 +
flattened +  and elongate +
adnate +  and free +
staminodial +
rudimentary +
barely larger +
Toxicoscordion brevibracteatus +
Zigadenus brevibracteatus +
Zigadenus +
species +
cream colored +
persistent +
2mm;5mm +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
sepaloid +  and petaloid +
narrower +
rhizomatous +, bulbous +  and subscapose +
3 +  and 2 +
26 +, 11 +  and 8 +