Difference between revisions of "Eriogonum nudum var. pauciflorum"
Proc. Amer. Acad. Arts 12: 264. 1877.
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|common_names=Little-flower wild buckwheat | |common_names=Little-flower wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1877 | |publication year=1877 | ||
| − | |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_620.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:12, 5 November 2020
Plants 3–8 dm. Aerial flowering stems rarely slightly fistulose, 1.5–5 dm, glabrous. Leaves basal; blade 1.5–3 × 0.8–1.8 cm, densely tomentose abaxially, glabrous adaxially, margins plane. Inflorescences cymose, 20–50 × 10–30 cm; branches glabrous. Involucres 1(–2) per cluster, 5–7 mm, glabrous or sparsely pubescent. Flowers 2–2.5 mm; perianth white or, rarely, yellow, glabrous or pubescent. 2n = 40.
Phenology: Flowering Jun–Oct.
Habitat: Sandy, often granitic flats and slopes, grassland, saltbush, chaparral, and sagebrush communities, oak and montane conifer woodlands
Elevation: 1100-2800 m
Distribution
Calif., Mexico (Baja California).
Discussion
Variety pauciflorum is the southern montane, tetraploid expression of the species. It occurs in the Transverse Ranges, southward in the Peninsular Ranges of southern California (Kern, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara, and Ventura counties), and south to the mountains of northern Baja California. Care must be taken when identifying specimens from the San Jacinto and Santa Rosa mountains in Riverside County to ascertain the age of the plants, as the annual Eriogonum molestum can closely resemble the perennial var. pauciflorum. The yellow-flowered expression of var. pauciflorum is worthy of cultivation.
Selected References
None.