Difference between revisions of "Eriogonum gracillimum"
in W. H. Brewer et al., Bot. California 2: 480. 1880.
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|accepted_name=Eriogonum gracillimum | |accepted_name=Eriogonum gracillimum | ||
| − | |accepted_authority=S. Watson | + | |accepted_authority=S. Watson |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in W. H. Brewer et al., Bot. California | |title=in W. H. Brewer et al., Bot. California | ||
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}} | }} | ||
|common_names=Rose-and-white wild buckwheat | |common_names=Rose-and-white wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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name=Eriogonum gracillimum | name=Eriogonum gracillimum | ||
| − | |authority=S. Watson | + | |authority=S. Watson |
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in W. H. Brewer et al., Bot. California | |publication title=in W. H. Brewer et al., Bot. California | ||
|publication year=1880 | |publication year=1880 | ||
| − | |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_858.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 23:14, 5 November 2020
Herbs, erect to spreading, annual, 1–5 dm, thinly tomentose, greenish, grayish, or reddish. Stems: caudex absent; aerial flowering stems erect, not striated but sometimes angled, solid, not fistulose, 0.1–0.8 dm, tomentose. Leaves basal and cauline; basal: petiole 0.5–1 cm, floccose; basal blade oblanceolate to oblong, 2–4 × 0.3–1 cm, tomentose abaxially, floccose to glabrate and grayish or greenish adaxially, margins crenulate, often slightly revolute; cauline sessile, blade narrowly oblong, 0.5–2(–6) × 0.2–0.8(–1.5) cm, similar to basal blade. Inflorescences cymose, mostly open, 5–35 × 5–35 cm; branches thinly tomentose; bracts 3, scalelike, 1–3 × 1–2.5 mm. Peduncles spreading, straight, capillary, 0.8–2.5 cm, glabrous. Involucres campanulate, 1.8–2 × 2–3 mm, glandular-puberulent, not densely tomentose adaxially; teeth 5, erect, 0.4–0.8 mm. Flowers 2–2.5 mm; perianth white to rose, glandular-puberulent; tepals monomorphic, oblong to elliptic; stamens included, 1–2 mm; filaments pilose proximally. Achenes light brown, 3-gonous, 1–1.2(–1.5) mm, glabrous. 2n = 40.
Phenology: Flowering year-round.
Habitat: Sandy to gravelly or clayey flats and slopes, mixed grassland, chaparral, saltbush, and creosote bush communities, oak and conifer woodlands
Elevation: 0-1100 m
Discussion
Eriogonum gracillimum is found in the Coast, Transverse, and scattered mountain desert ranges in Fresno, Inyo, Kern, Kings, Los Angeles, Madera, Merced, Monterey, Riverside, San Benito, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Tulare counties. The species is often common and occasionally even weedy.
Selected References
None.