Hesperocallis undulata

A. Gray

Proc. Amer. Acad. Arts 7: 391. 1867.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 222. Mentioned on page 220.

Plants 3–18 dm; bulbs ovoid, 4–6 cm. Leaves basal; blade 2–5 dm × 8–15 mm. Racemes 4–18-flowered, 1–3 dm; bracts 1–1.5 cm. Flowers: perianth-tube 1.5–2 cm; limb lobes 3–4 cm × 6–10 mm; filaments 2–2.5 cm; anthers golden, 7 mm; pedicel 1 cm. Capsules 12–16 mm. Seeds 5 mm. 2n = 48.


Phenology: Flowering late Feb–May, following infrequent rains.
Habitat: Dry, sandy flats to rocky hills of creosote bush scrub in Mojave and Sonoran deserts
Elevation: 300–800 m

Discussion

The large, snowy white flowers of Hesperocallis undulata make it one of the showiest desert species, with consequent horticultural use. Native Americans used the bulbs for food (D. E. Moerman 1986), and the early Spanish colonists called the bulbs ajo, due to the garlic flavor.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."thicker" is not a number.

... more about "Hesperocallis undulata"
versatile +  and dorsifixed +
cordate +  and linear +
7 cm70 mm <br />0.07 m <br /> (?) +
Frederick H. Utech +
A. Gray +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
bluish green +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
sheathing +  and involucrate +
withering-persistent +
conspicuous +
1;several +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Ariz. +, Calif. +  and Nev. +
300–800 m +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
sessile +  and pedicellate +
fragrant +
unisexual +  and bisexual +
loculicidal +
3-lobed +  and subglobose +
membranaceous +  and leathery +
Dry, sandy flats to rocky hills of creosote bush scrub in Mojave and Sonoran deserts +
bracteate +  and open +
persistent +
reduced +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
undulate +
many;several +
1 cm10 mm <br />0.01 m <br /> (?) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
zygomorphic +  and actinomorphic +
4.5 cm45 mm <br />0.045 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flowering late Feb–May, following infrequent rains. +
Proc. Amer. Acad. Arts +
4-18-flowered +
simple +  and rarely branched +
wind-distributed +
5 cm50 mm <br />0.05 m <br /> (?) +
Illustrated +  and Endemic +
staminodial +
3 +, 4 +  and 6 +
1 +  and several +
capitate +  and slightly 3-lobed +
persistent +
3 +  and 1 +
slender +
Hesperocallis undulata +
Hesperocallis +
species +
withering-persistent +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +