Difference between revisions of "Eriogonum umbellatum var. vernum"
Great Basin Naturalist 28: 157. 1968.
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|common_names=Spring-flowering sulphur flower | |common_names=Spring-flowering sulphur flower | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=1400-2000(-2200) m | |elevation=1400-2000(-2200) m | ||
|distribution=Nev. | |distribution=Nev. | ||
| − | |discussion=<p>Variety vernum is known from several scattered populations in northern Nye County. It flowers mainly in May and early June, with some fruit-bearing flowers persisting into early July. Flower color can vary from bright to pale yellow in a single population. The taxon clearly is related to < | + | |discussion=<p>Variety vernum is known from several scattered populations in northern Nye County. It flowers mainly in May and early June, with some fruit-bearing flowers persisting into early July. Flower color can vary from bright to pale yellow in a single population. The taxon clearly is related to <i></i>var.<i> nevadense</i>, which in central <i>Nevada</i> occurs at higher elevations (mainly in pinyon-juniper communities). The shrubs certainly are worthy of cultivation.</p> |
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name=Eriogonum umbellatum var. vernum | name=Eriogonum umbellatum var. vernum | ||
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|authority=Reveal | |authority=Reveal | ||
|rank=variety | |rank=variety | ||
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|publication title=Great Basin Naturalist | |publication title=Great Basin Naturalist | ||
|publication year=1968 | |publication year=1968 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_688.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 23:13, 5 November 2020
Shrubs, dome-shaped, 3–6(–9) × 3–9(–13) dm. Aerial flowering stems erect, 0.5–1.5 dm, floccose or glabrous, without one or more leaflike bracts ca. midlength. Leaves in rather open rosettes; blade elliptic, 0.5–2.5 × 0.3–1 cm, thinly floccose abaxially, less so to thinly floccose or glabrous and green adaxially, with some blades glabrous on both surfaces, margins plane. Inflorescences umbellate; branches 3–8 cm, mostly glabrous, without a whorl of bracts ca. midlength; involucral tubes 1.5–2.5 mm, lobes 2–3 mm. Flowers (5–)6–9(–10) mm; perianth pale to bright yellow.
Phenology: Flowering May–Jul.
Habitat: Sandy to gravelly, often volcanic flats and slopes, saltbush and sagebrush communities
Elevation: 1400-2000(-2200) m
Discussion
Variety vernum is known from several scattered populations in northern Nye County. It flowers mainly in May and early June, with some fruit-bearing flowers persisting into early July. Flower color can vary from bright to pale yellow in a single population. The taxon clearly is related to var. nevadense, which in central Nevada occurs at higher elevations (mainly in pinyon-juniper communities). The shrubs certainly are worthy of cultivation.
Selected References
None.