Allium hickmanii

Eastwood

Bull. Torrey Bot. Club 30: 483. 1903.

IllustratedEndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 262. Mentioned on page 231.

Bulbs 1–5+, not clustered on stout primary rhizome, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid to ± globose, 0.8–1.2 × 0.7–1.2 cm; outer coats enclosing 1 or more bulbs, gray to gray-brown, prominently cellular-reticulate, membranous, cells arranged in ± vertical rows, forming irregular herringbone pattern, transversely elongate, wavy, V-shaped, without fibers; inner coats white, cells obscure, ± quadrate. Leaves persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil level; blades solid, subterete, 3–20 cm × 0.5–1 mm, margins entire. Scape persistent, solitary, erect, solid, terete, (3–) 5–15 (–17) cm × 0.5–2 mm. Umbel persistent, erect, compact, 4–15-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 3–5-veined, broadly ovate, ± equal, apex mucronate. Flowers campanulate, 5–7 mm; tepals erect, white to pale-pink, lanceolate to lanceovate, ± equal, becoming papery in fruit and remaining erect, margins entire, apex acute or obtuse, becoming ± involute at tip and appearing short-acuminate; stamens included; anthers white; pollen white; ovary crested or crestless; processes 3, central, rounded, very minute, margins entire; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 4–12 mm. Seed-coat dull; cells minutely roughened. 2n = 14.


Phenology: Flowering Mar–May.
Habitat: Grassy, wooded slopes and flats
Elevation: 0–50 m

Discussion

Of conservation concern.

Allium hickmanii is a rare endemic of the Monterey Peninsula and Arroyo de la Cruz.

Selected References

None.

Lower Taxa

None.

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

... more about "Allium hickmanii"
versatile +  and dorsifixed +
cordate +  and linear +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
Eastwood +
whorled +, opposite +  and alternate +
dilated +
straight +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
subterete +
0.5mm;1mm +
conspicuous +
0.8cm +  and 1.2cm +
1 +  and 5 +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
gray;gray-brown +
roughened +  and smooth +
quadrate +
membranous +
0–50 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
loculicidal +
membranaceous +  and leathery +
Grassy, wooded slopes and flats +
paired +, paniculate +  and racemose +
persistent +
gray +  and brown +
v--shaped +, wavy +  and elongate +
crested +
many;several +
spreading +  and erect +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering Mar–May. +
Bull. Torrey Bot. Club +
15 cm150 mm <br />0.15 m <br /> (17 cm170 mm <br />0.17 m <br />) +
persistent +
5cm +  and 15cm +
0.5mm +  and 2mm +
wind-distributed +
1 +  and many +
obovoid +
Illustrated +, Endemic +  and Conservation concern +
adnate +  and free +
1 +  and several +
Allium hickmanii +
species +
white;pale-pink +
persisting +
distinct +
lanceolate +  and lanceovate +
sepaloid +  and petaloid +
narrower +
4-15-flowered +
persistent +
9 +, 8 +  and 7 +