Difference between revisions of "Eriogonum chrysops"
Fl. Rocky Mts., 220, 1061. 1917.
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|name=Eriogonum ochrocephalum subsp. chrysops | |name=Eriogonum ochrocephalum subsp. chrysops | ||
|authority=(Rydberg) S. Stokes | |authority=(Rydberg) S. Stokes | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Eriogonum ovalifolium var. chrysops | |name=Eriogonum ovalifolium var. chrysops | ||
|authority=(Rydberg) M. Peck | |authority=(Rydberg) M. Peck | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum chrysops | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum chrysops | ||
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name=Eriogonum chrysops | name=Eriogonum chrysops | ||
| − | |||
|authority=Rydberg | |authority=Rydberg | ||
|rank=species | |rank=species | ||
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|publication year=1917 | |publication year=1917 | ||
|special status= | |special status= | ||
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_544.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Revision as of 21:54, 16 December 2019
Herbs, matted, scapose, 0.2–1 × 0.5–2 dm, floccose to tomentose, greenish. Stems matted, with persistent leaf bases, up to 1/5 height of plant; caudex stems matted; aerial flowering stems scapelike, erect, slender, solid, not fistulose, 0.2–1 dm, floccose to tomentose. Leaves basal, fasciculate in terminal tufts; petiole 0.2–0.5(–0.8) cm, tomentose; blade oblanceolate to spatulate, (0.5–)0.7–1 × 0.2–0.4(–0.5) cm, densely white- or grayish-tomentose on both surfaces, margins plane. Inflorescences capitate, 0.5–1.5 cm wide; branches absent; bracts 3–5, scalelike, triangular, 1–2 mm. Peduncles absent. Involucres 3–5 per cluster, turbinate-campanulate to campanulate, 2.5–3(–3.5) × 2.5–3 mm, membranous, glabrous, sparsely floccose on teeth; teeth 5, erect, 0.6–1.2 mm. Flowers (2–)2.5–3 mm; perianth yellow, sparsely glandular, infrequently glabrous; tepals connate proximal 1/3, monomorphic, oblong to narrowly obovate; stamens exserted, 2–2.5(–3) mm; filaments pilose proximally. Achenes light brown, 2.5–3 mm, glabrous except for minutely bristly beak.
Phenology: Flowering May–Jul.
Habitat: Gravelly basaltic or rhyolitic slopes and outcrops, sagebrush communities
Elevation: 1200-1400 m
Discussion
Of conservation concern.
Eriogonum chrysops is known from five scattered sites in the Skull Creek area of Malheur County. It is no longer considered a candidate for threatened status under the provisions of the Endangered Species Act. However, it still is considered a “threatened” species by the state of Oregon.
Selected References
None.