Difference between revisions of "Allium burlewii"

Davidson

Bull. S. Calif. Acad. Sci. 15: 17. 1916.

IllustratedEndemic
Treatment appears in FNA Volume 26. Treatment on page 273. Mentioned on page 233, 274.
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name=Allium burlewii
 
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|genus=Allium
 
|genus=Allium
 
|species=Allium burlewii
 
|species=Allium burlewii

Latest revision as of 21:15, 5 November 2020

Bulbs usually solitary, not clustered on stout, primary rhizome, ovoid, 1.5–2.5 × 1–1.5 cm; outer coats enclosing single bulb, brown or grayish, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, cells not visible. Leaves usually deciduous with scape, withering from tip at anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, flat or broadly channeled, ± falcate, 8–33 cm × 1–10 mm, margins entire. Scape usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, terete, 2–20 cm × 1–3 mm. Umbel persistent, erect, compact, 8–20(–30)-flowered, globose to conic, bulbils unknown; spathe bracts persistent, 3, 9–13-veined, broadly ovate, ± equal, apex abruptly acuminate. Flowers conical to campanulate, 7–10 mm; tepals strictly erect, dull purplish with darker midveins, ovate, ± equal, becoming membranous, withering in fruit, margins entire, apex obtuse; stamens equaling tepals or ± exserted; filaments smooth proximally; anthers purple; pollen yellow or gray; ovary crestless or crested; processes 6, central, rounded, minute, margins entire; style linear, slightly longer than stamens; stigma capitate, scarcely thickened, unlobed; pedicel 6–10 mm. Seed coat shining; cells smooth. 2n = 14.


Phenology: Flowering late Apr–Jul.
Habitat: Granite sands, on dry slopes and ridges
Elevation: 1800–2800 m

Discussion

Selected References

None.

Lower Taxa

None.