Difference between revisions of "Allium douglasii"
Fl. Bor.-Amer. 2: 184, plate 197. 1838.
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|place=2: 184, plate 197. 1838 | |place=2: 184, plate 197. 1838 | ||
|year=1838 | |year=1838 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms= | |basionyms= | ||
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|name=Allium hendersonii | |name=Allium hendersonii | ||
|authority=B. L. Robinson & Seaton | |authority=B. L. Robinson & Seaton | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Liliaceae;Allium;Allium douglasii | |hierarchy=Liliaceae;Allium;Allium douglasii | ||
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name=Allium douglasii | name=Allium douglasii | ||
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|authority=Hooker | |authority=Hooker | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Bor.-Amer. | |publication title=Fl. Bor.-Amer. | ||
|publication year=1838 | |publication year=1838 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_500.xml |
|genus=Allium | |genus=Allium | ||
|species=Allium douglasii | |species=Allium douglasii | ||
Latest revision as of 22:15, 5 November 2020
Bulbs 1–4, not clustered on stout, primary rhizomes, ovoid, 1.2–3 × 1–2 cm; outer coats enclosing 1 or more bulbs, light brown, membranous, lacking cellular reticulation, or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, sometimes pink, cells obscure, quadrate or linear. Leaves usually persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, falcate, 9–28 cm × (2–)5–15 mm, margins entire. Scape persistent, solitary, erect, solid, terete, not expanded proximal to inflorescence, (10–)20–30(–40) cm × 1–4 mm. Umbel persistent, erect, compact, 25–50-flowered, hemispheric to globose, bulbils unknown; spathe bracts persistent, 3, 4–6-veined, ovate, ± equal, apex acute. Flowers ± stellate, (6–)7–8(–10) mm; tepals spreading, light pink to purple with prominent green midribs, narrowly lanceolate, ± equal, becoming papery in fruit, margins entire, apex acuminate; stamens equaling tepals or exserted; anthers blue-gray; pollen white to light gray; ovary crested; processes 6, 2 per lobe, low, rounded, margins entire; style exserted, linear; stigma capitate, unlobed; pedicel 15–30 mm. Seed coat shining; cells smooth. 2n = 14.
Phenology: Flowering May–Jul.
Habitat: Winter-wet, shallow soils on rock outcrops
Elevation: 400–1300 m
Discussion
Selected References
None.