Allium howellii var. sanbenitense

(Traub) Ownbey & Aase

in P. A. Munz, Calif. Fl., 1376. 1959.

Endemic
Basionym: Allium sanbenitense Traub Herbertia 12: 68. 1945 Allium robustum 1938
Synonyms: Allium howellii subsp. sanbenitense (Traub) Traub & Ownbey
Treatment appears in FNA Volume 26. Treatment on page 251. Mentioned on page 250.

Scape 25–60 cm. Umbel (25–) 50–90-flowered. Flowers: tepals white or pale-pink; stamens exserted, 2–4 mm; ovary crests white or greenish in fresh specimens. 2n = 14.


Phenology: Flowering Apr–May.
Habitat: Grassy slopes in heavy clay soils including serpentine
Elevation: 300–1000 m

Discussion

Allium howellii var. sanbenitense is known only from the inner central Coast Range.

Selected References

None.

Lower Taxa

None.

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

purple +  and yellow +
versatile +  and dorsifixed +
cordate +  and linear +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
(Traub) Ownbey & Aase +
whorled +, opposite +  and alternate +
dilated +
Allium sanbenitense +  and Allium robustum +
straight +
20 cm200 mm <br />0.2 m <br /> (55 cm550 mm <br />0.55 m <br />) +
1mm;4mm +
conspicuous +
0.9cm +  and 1.7cm +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
roughened +  and smooth +
quadrate +
300–1000 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
loculicidal +
membranaceous +  and leathery +
Grassy slopes in heavy clay soils including serpentine +
paired +, paniculate +  and racemose +
light-brown +  and white +
persistent +
slender +
less irregularly denticulate +  and laciniate +
dark reddish-brown +
greenish +  and white +
crested +
many;several +
spreading +  and erect +
0.6 cm6 mm <br />0.006 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering Apr–May. +
triangular +
in P. A. Munz, Calif. Fl., +
2 (?) +  and 3 (?) +
persistent +
15cm +  and 60cm +
25 cm250 mm <br />0.25 m <br /> (60 cm600 mm <br />0.6 m <br />) +
1mm +  and 3.5mm +
shining +  and dull +
wind-distributed +
1 +  and many +
obovoid +
adnate +  and free +
1 +  and several +
Allium howellii subsp. sanbenitense +
Allium howellii var. sanbenitense +
Allium howellii +
variety +
pale-pink;white +
persisting +
distinct +
spreading +  and more or less erect +
long-exserted +
ovate +  and oblong +
equaling +  and equal +
sepaloid +  and petaloid +
narrower +
(25-)50-90-flowered +
persistent +
9 +, 8 +  and 7 +