Difference between revisions of "Synthyris wyomingensis"
Muhlenbergia 1: 5. 1900.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Wulfenia wyomingensis | |name=Wulfenia wyomingensis | ||
|authority=A. Nelson | |authority=A. Nelson | ||
| + | |publication_title=Bull. Torrey Bot. Club | ||
| + | |publication_place=25: 281. 1898 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1900 | |publication year=1900 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V17/V17_739.xml |
|genus=Synthyris | |genus=Synthyris | ||
|species=Synthyris wyomingensis | |species=Synthyris wyomingensis | ||
Revision as of 18:31, 24 September 2019
Leaves strictly annual, disintegrating in 1st year; blade broadly to narrowly lanceolate to ovate, 25+ mm wide, leathery, base cuneate, rounded, lobate, or cordate, margins crenate or incised-crenate, teeth apices acute to rounded, surfaces hairy; basal veins extending into distal 1/2 of blade, lateral veins 3–8 on each side of midvein. Racemes erect, to 47 cm in fruit; sterile bracts 10–25, ovate to spatulate, largest 1+ cm; flowers 100+, densely aggregated (separating in fruit). Sepals 2–4, all lobes connate, if 2+ lobes, then connate for at least 1/2 of length on abaxial side. Petals 0. Stamens inserted on receptacle. Ovaries: ovules 17–40. Capsules densely hairy.
Phenology: Flowering Apr–Jul; fruiting May–Aug.
Habitat: Montane, subalpine, and alpine grasslands, open, coniferous forests.
Elevation: 1000–3700 m.
Distribution
Alta., B.C., Sask., Colo., Idaho, Mont., Nebr., S.Dak., Utah, Wyo.
Discussion
Synthyris wyomingensis is highly variable over its wide elevational and geographic ranges. Populations in the northern and western part of the range have bluish purple stamens; those in the southeastern part of the range have white to whitish yellow stamens. Tetraploid (2n = 48) populations are known only from the Bridger Mountains, Montana; populations from elsewhere are diploid 2n = 24 (C. G. Schaack 1983).
Selected References
None.