Difference between revisions of "Allium yosemitense"

Eastwood

Leafl. W. Bot. 1: 132. 1934.

IllustratedEndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 273. Mentioned on page 233, 271.
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|distribution=Calif.
 
|distribution=Calif.
 
|discussion=<p>Of conservation concern.</p><!--
 
|discussion=<p>Of conservation concern.</p><!--
--><p>Allium yosemitense is known only from the central Sierra Nevada.</p>
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--><p><i>Allium yosemitense</i> is known only from the central Sierra <i>Nevada</i>.</p>
 
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name=Allium yosemitense
 
name=Allium yosemitense
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|publication title=Leafl. W. Bot.
 
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|publication year=1934
 
|publication year=1934
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|special status=Illustrated;Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V26/V26_517.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_517.xml
 
|genus=Allium
 
|genus=Allium
 
|species=Allium yosemitense
 
|species=Allium yosemitense

Latest revision as of 21:15, 5 November 2020

Bulbs 1–12+, not basally clustered on stout primary rhizome, ovoid, 2–3 × 1.5–2 cm; outer coats enclosing 1 or more bulbs, brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers; inner coats white, cells very obscurely quadrate 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 or very broadly channeled, ± falcate, 15–40 cm × 2–18 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, terete, 6–23 cm × 1–3 mm. Umbel persistent, erect, compact, 20–100-flowered, globose to hemispheric, bulbils unknown; spathe bracts persistent, 2–4, 7–9-veined, ovate, ± equal, apex acuminate. Flowers campanulate, 7–15 mm; tepals erect, white to pink with darker midveins, linear-oblong, ± equal, becoming membranous in fruit, margins entire, apex acute; stamens ± equaling tepals; anthers yellow or purple; pollen yellow; ovary crested; processes 3, 2-lobed, minute, margins entire; style short-exserted, linear; stigma capitate, scarcely thickened, unlobed; pedicel 7–34 mm. Seed coat dull; cells ± smooth. 2n = 14.


Phenology: Flowering May–Jun.
Habitat: Moist soil along cracks and margins of large metamorphic outcrops
Elevation: 800–2200 m

Discussion

Of conservation concern.

Allium yosemitense is known only from the central Sierra Nevada.

Selected References

None.

Lower Taxa

None.