Allium brevistylum

S. Watson

Botany (Fortieth Parallel), 350. 1871.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 246. Mentioned on page 228.

Bulbs 2–4, terminating thick, irislike rhizome, elongate, 2–3 × 0.6–1 cm; outer coats enclosing single bulb, grayish or brownish, membranous, minutely striate, cells in parallel vertical rows, narrow, elongate, not fibrous-reticulate, fibers persistent, parallel, few, coarse; inner coats whitish, cells narrowly vertically elongate. Leaves persistent, green at anthesis, 2–5, basally sheathing, sheaths not extending much above soil level; blade solid, flat, 10–40 cm × 2–8 mm, margins entire. Scape persistent, solitary, erect, solid, flattened and narrowly winged distally, 20–60 cm × 1.5–4 mm. Umbel persistent, erect, loose, 7–20-flowered, subhemispheric, bulbils unknown; spathe bracts persistent, 2, 3–5-veined, ovate, ± equal, apex acute. Flowers narrowly urceolate, 10–13 mm; tepals erect, pink, lanceolate, ± equal, withering in fruit, margins entire, apex acuminate, midribs somewhat thickened; stamens included, ca. 1/2 as long as tepals; anthers yellow; pollen light yellow; ovary crestless; style linear, equaling stamens; stigma capitate, distinctly 3-lobed; pedicel 8–35 mm, elongating and becoming stout and curved in fruit. Seed-coat dull or shining; cells each with minute, central papilla, or obscurely and minutely roughened. 2n = 14.


Phenology: Flowering Jun–Aug.
Habitat: Swampy meadows and along streams, rarely on wooded slopes
Elevation: 2200–3400 m

Distribution

V26 435-distribution-map.jpg

Colo., Idaho, Mont., N.Mex., Utah, Wyo.

Discussion

Allium brevistylum is found only in the Rocky Mountains.

Selected References

None.

Lower Taxa

None.

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

... more about "Allium brevistylum"
versatile +  and dorsifixed +
cordate +  and linear +
Acuminate (?) +  and Acute (?) +
Dale W. McNeal Jr. +  and T. D. Jacobsen +
S. Watson +
whorled +, opposite +  and alternate +
dilated +
straight +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
falcate +, flat +, channeled +, terete +  and linear +
2mm;8mm +
conspicuous +
2cm +  and 3cm +
single +, 2 +  and 4 +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
roughened +  and smooth +
elongate +
Colo. +, Idaho +, Mont. +, N.Mex. +, Utah +  and Wyo. +
2200–3400 m +
persistent +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
loculicidal +
membranaceous +  and leathery +
Swampy meadows and along streams, rarely on wooded slopes +
paired +, paniculate +  and racemose +
persistent +
brownish +  and grayish +
crested;3-lobed +
many;several +
elongating +
spreading +  and erect +
0.8 cm8 mm <br />0.008 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
membranous +
zygomorphic +  and actinomorphic +
Flowering Jun–Aug. +
light yellow +
Botany (Fortieth Parallel), +
winged +  and solid +
persistent +
20cm +  and 60cm +
flattened +
1.5mm +  and 4mm +
shining +  and dull +
wind-distributed +
1 +  and many +
obovoid +
Illustrated +  and Endemic +
adnate +  and free +
1 +  and several +
Allium brevistylum +
species +
persisting +
distinct +
lanceolate +
sepaloid +  and petaloid +
narrower +
7-20-flowered +
persistent +
9 +, 8 +  and 7 +