Difference between revisions of "Allium burlewii"
Bull. S. Calif. Acad. Sci. 15: 17. 1916.
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| + | |code=F | ||
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|publication title=Bull. S. Calif. Acad. Sci. | |publication title=Bull. S. Calif. Acad. Sci. | ||
|publication year=1916 | |publication year=1916 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_519.xml |
|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.