Zigadenus exaltatus

Eastwood

Bot. Gaz. 41: 283. 1906.

Common names: Giant death camas
Endemic
Synonyms: Toxicoscordion exaltatum (Eastwood) A. Heller
Treatment appears in FNA Volume 26. Treatment on page 86. Mentioned on page 82.

Plants 3–10 dm, from bulbs; bulbs often clumped, tunicate, ovoid, 20–60 × 18–50 mm. Leaves: proximal blades 18–60 cm × 3–25 mm. Inflorescences paniculate, 10–80-flowered, with 2–10 branches, 3–40 × 2–8 cm. Flowers: perianth hypogynous, 12–20 mm diam.; tepals persistent in fruit, cream colored, elliptic to ovate, 5–10 × 2–4 mm, outer not clawed, often persistently reflexed below mature capsule; gland 1, obovate, distal margins evident, dentate; filaments straight, shorter than tepals, thickened proximally; pedicel ascending in flower, perpendicular to stem in fruit, 10–35 mm, bracts green and foliaceous to white and membranous, 3–25 mm. Capsules 9–20 × 4–9 mm. 2n = 22.


Phenology: Flowering Apr–Jun.
Habitat: Sierra Nevada foothill woodlands, yellow pine forests
Elevation: 0–1200 m

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Zigadenus exaltatus"
introrse +, extrorse +  and transverse +
reniform +
Fayla C. Schwartz +
Eastwood +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
white +  and green +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
membranous +
2 +  and 10 +
20mm +  and 60mm +
1.8 cm18 mm <br />0.018 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Giant death camas +
0–1200 m +
connate-coroniform +  and dilated +
staminate +  and pedicellate +
protandrous +  and bisexual +
loculicidal +  and septicidal +
membranaceous +  and leathery +
obovate +
Sierra Nevada foothill woodlands, yellow pine forests +
3 cm30 mm <br />0.03 m <br /> (?) +  and 40 cm400 mm <br />0.4 m <br /> (?) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
persistent +
many;several +
perpendicular +  and ascending +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
cream colored +  and greenish or red tinged +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering Apr–Jun. +
tapering +
18 cm180 mm <br />0.18 m <br /> (60 cm600 mm <br />0.6 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
contractile +
ellipsoid +
wind-distributed +
2 +  and 20 +
flattened +  and elongate +
adnate +  and free +
staminodial +
rudimentary +
barely larger +
Toxicoscordion exaltatum +
Zigadenus exaltatus +
Zigadenus +
species +
cream colored +
persistent +
5mm;10mm +
not clawed +, elliptic +  and ovate +
2mm;4mm +
sepaloid +  and petaloid +
narrower +
rhizomatous +, bulbous +  and subscapose +
3 +  and 2 +
26 +, 11 +  and 8 +