Allium denticulatum

(Ownbey & Aase ex Traub) McNeal

Aliso 13: 414. 1992.

Endemic
Basionym: Allium fimbriatum var. denticulatum Ownbey & Aase ex Traub Pl. Life 28: 64. 1972
Treatment appears in FNA Volume 26. Mentioned on page 251.

Bulbs 1–2, not clustered on stout, primary rhizome, ovoid to ± globose, 1–1.4 × 0.1–0.14 cm; outer coats enclosing single bulb, reddish-brown, membranous, usually lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats pale-brown to white, cells obscure, quadrate. Leaves persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 12–30 cm × 1–3 mm. Scape persistent, solitary, erect, solid, terete, 5–15 cm × 1–2 mm. Umbel persistent, erect, compact, 5–30-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 4–6-veined, lanceovate to ovate, ± equal, apex acuminate. Flowers urceolate, 9–17 mm; tepals erect, purple, lanceolate to lanceovate, unequal, becoming rigid and ± keeled in fruit, margins minutely denticulate at least distally, apex acute, ± straight at tip, inner slightly shorter and narrower than outer; stamens included; anthers yellow; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire to notched or irregularly papillose; style linear, equaling stamens; stigma capitate, 3-lobed, lobes slender, recurved; pedicel 5–25 mm. Seed-coat dull or shining; cells minutely roughened. 2n = 14.


Phenology: Flowering mid Apr–mid Jul.
Habitat: Sandy, rocky soil, Techachapi Mountains and desert slopes, western Mojave Desert, California
Elevation: 900–1600 m

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Allium denticulatum"
versatile +  and dorsifixed +
cordate +  and linear +
straight +
acute +  and acuminate +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
(Ownbey & Aase ex Traub) McNeal +
whorled +, opposite +  and alternate +
dilated +
Allium fimbriatum var. denticulatum +
straight +
12 cm120 mm <br />0.12 m <br /> (30 cm300 mm <br />0.3 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
conspicuous +
1;several +
1cm +  and 1.4cm +
single +, 1 +  and 2 +
0.1 cm1 mm <br />0.001 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
roughened +  and smooth +
quadrate +
900–1600 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
urceolate +
0.9 cm9 mm <br />0.009 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
loculicidal +
membranaceous +  and leathery +
Sandy, rocky soil, Techachapi Mountains and desert slopes, western Mojave Desert, California +
paired +, paniculate +  and racemose +
pale-brown +  and white +
slightly shorter and narrower +
persistent +
slender +
papillose +
entire +  and notched +
crested +
many;several +
spreading +  and erect +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering mid Apr–mid Jul. +
triangular +
2 +  and 3 +
persistent +
5cm +  and 15cm +
1mm +  and 2mm +
shining +  and dull +
wind-distributed +
1 +  and many +
obovoid +
adnate +  and free +
1 +  and several +
Allium denticulatum +
species +
persisting +
distinct +
keeled +, lanceolate +  and lanceovate +
unequal +
sepaloid +  and petaloid +
narrower +
5-30-flowered +
persistent +
hemispheric +
9 +, 8 +  and 7 +