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, iris-like 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.

... more about "Allium brevistylum"
Dale W. McNeal Jr. +  and T. D. Jacobsen +
S. Watson +
Colo. +, Idaho +, Mont. +, N.Mex. +, Utah +  and Wyo. +
2200–3400 m +
Swampy meadows and along streams, rarely on wooded slopes +
Flowering Jun–Aug. +
Botany (Fortieth Parallel), +
Illustrated +  and Endemic +
Allium brevistylum +
species +