Allium brevistylum

S. Watson

Botany (Fortieth Parallel), 350. 1871.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 246. Mentioned on page 228.
Revision as of 04:50, 30 July 2020 by imported>Volume Importer
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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.

"elongating" is not a number."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 +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
conspicuous +
1;several +
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 +
urceolate +
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 +
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 +
subhemispheric +
9 +, 8 +  and 7 +