Allium nevadense

S. Watson

Botany (Fortieth Parallel), 351, plate 38, figs. 1–3. 1871.

IllustratedEndemic
Synonyms: Allium nevadense var. macropetalum M. Peck
Treatment appears in FNA Volume 26. Treatment on page 248. Mentioned on page 224, 229, 249, 260.
Revision as of 04:50, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Bulbs 1–3, not clustered on stout, primary rhizome, with 0–2 stalked, basal bulbels, ovoid, 1–2 × 0.8–1.5 cm; outer coats enclosing 1 or more bulbs, brown, membranous, usually prominently cellular-reticulate, cells ± transversely elongate, intricately contorted, without fibers; inner coats white or pinkish, cells elongate, intricately contorted. Leaves persistent, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 10–20 cm × 1–3 mm. Scape persistent, solitary, erect, ± solid, terete, 5–15 cm × 1–2.5 mm. Umbel persistent, erect, compact, 5–25-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2–3, 3–7-veined, ovate to lanceolate, ± equal, apex acuminate. Flowers stellate, 7–12 mm; tepals spreading, white or pinkish white with dark-pink midveins, lanceolate to ovate, ± equal, becoming papery in fruit, margins entire, apex acute to acuminate; stamens included; anthers purple; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire to notched or shallowly toothed; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 8–16 mm. Seed-coat dull; cells minutely roughened. 2n = 14, 28.


Phenology: Flowering Apr–Jun.
Habitat: Sandy, rocky, or occasionally clay soils on desert plains and hillsides
Elevation: 1400–1700 m

Distribution

V26 442-distribution-map.jpg

Ariz., Calif., Colo., Idaho, Nev., Oreg., Utah.

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Allium nevadense"
versatile +  and dorsifixed +
cordate +  and linear +
acute +  and acuminate +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
S. Watson +
whorled +, opposite +  and alternate +
dilated +
straight +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 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 2cm +
1 +  and 3 +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
roughened +  and smooth +
elongate +
membranous +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, Oreg. +  and Utah. +
1400–1700 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
loculicidal +
membranaceous +  and leathery +
Sandy, rocky, or occasionally clay soils on desert plains and hillsides +
paired +, paniculate +  and racemose +
pinkish +  and white +
persistent +
entire +  and notched or shallowly toothed +
gray +  and brown +
crested +
many;several +
spreading +  and erect +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering Apr–Jun. +
triangular +
Botany (Fortieth Parallel), +
persistent +
5cm +  and 15cm +
1mm +  and 2.5mm +
wind-distributed +
1 +  and many +
obovoid +
Illustrated +  and Endemic +
adnate +  and free +
1 +  and several +
Allium nevadense var. macropetalum +
Allium nevadense +
species +
pinkish white;white +
persisting +
distinct +
lanceolate +  and ovate +
sepaloid +  and petaloid +
narrower +
5-25-flowered +
persistent +
hemispheric +
9 +, 8 +  and 7 +