Difference between revisions of "Eriogonum howellianum"
Phytologia 25: 204. 1973.
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|common_names=Howell’s wild buckwheat | |common_names=Howell’s wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1973 | |publication year=1973 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_794.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:13, 5 November 2020
Herbs, erect to spreading, annual, 0.5–3 dm, glandular, greenish or reddish green. Stems: caudex absent; aerial flowering stems erect, solid, not fistulose, 0.3–1 dm, glandular. Leaves basal; petiole 0.5–4 cm, glabrous or sparsely pilose; blade broadly elliptic to oval, 0.7–2.5 × 0.7–2.5 cm, pilose-hirsutulous, rarely slightly glandular and green on both surfaces, margins entire. Inflorescences cymose, open, spreading, 5–25 × 5–35 cm; branches not fistulose, glandular; bracts 3, scalelike, 1–2 × 0.5–1.5(–2) mm. Peduncles absent or ascending to erect, straight or curved, slender, 0.2–0.5 cm at proximal nodes, 0.01–0.1 cm distally, proximal 1/2 sparsely glandular. Involucres turbinate-campanulate, 1.3–2 × 1–2 mm, glabrous; teeth (4–)5, erect, 0.5–0.8 mm. Flowers 1–1.5(–2) mm; perianth yellow with reddish midribs to entirely reddish, densely pilose; tepals monomorphic, lanceolate; stamens exserted, 1–1.5 mm; filaments glabrous. Achenes dull brown, 3-gonous, 1.5–1.8 mm, glabrous.
Phenology: Flowering Jun–Sep.
Habitat: Sandy to gravelly, often volcanic slopes, saltbush, greasewood, and sagebrush communities, pinyon-juniper woodlands
Elevation: (700-)1200-2100 m
Discussion
Eriogonum howellianum is encountered infrequently in widely scattered locations in southern Nevada (Clark, Lincoln, Nye, and White Pine counties) and west-central Utah (Juab, Millard, and Tooele counties). A disjunct population occurs on Pilot Peak in extreme eastern Elko County, Nevada. This species is rarely common. The name E. glandulosum was long misapplied to these plants.
Selected References
None.