Difference between revisions of "Allium platycaule"
Proc. Amer. Acad. Arts 14: 234. 1879.
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name=Allium platycaule | name=Allium platycaule | ||
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|authority=S. Watson | |authority=S. Watson | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1879 | |publication year=1879 | ||
| − | |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_521.xml |
|genus=Allium | |genus=Allium | ||
|species=Allium platycaule | |species=Allium platycaule | ||
Latest revision as of 21:15, 5 November 2020
Bulbs 1–5+, not clustered on stout primary rhizomes, renewal bulbs formed within coats of parent bulb, ovoid, 2–3 × 1.4–2.5 cm, increase bulbs ± equaling parent bulbs, rhizomes absent; outer coats enclosing 1 or more bulbs, gray or brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, cells obscure, quadrate to rectangular, or not visible. Leaves usually deciduous with scape, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 10–30-cm × 8–18 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, strongly flattened, winged distally, 7–25 cm × 2–7 mm. Umbel persistent, erect, loose, 30–90-flowered, globose, bulbils unknown; spathe bracts persistent, 2–5, 10–15-veined, lanceolate to broadly ovate, ± equal, apex acuminate. Flowers stellate, 8–15 mm; tepals spreading, bright pink to rose, narrowly lanceolate, ± equal, becoming erect, rigid, constricted distal to ovary in fruit, margins entire, apex long-acuminate; stamens exserted; anthers yellow; pollen gray; ovary crestless; style linear, equaling stamens; stigma capitate, scarcely thickened, unlobed, apex acute; pedicel 10–25 mm. Seed coat dull or shining; cells smooth. 2n = 14.
Phenology: Flowering May–Jun.
Habitat: Rocky, sandy slopes
Elevation: 1500–2500 m
Distribution
Calif., Nev., Oreg.
Discussion
Selected References
None.