Eriogonum chrysops


Fl. Rocky Mts., 220, 1061. 1917.

Common names: One-eyed wild buckwheat
EndemicConservation concern
Synonyms: Eriogonum ochrocephalum subsp. chrysops (Rydberg) S. Stokes Eriogonum ovalifolium var. chrysops (Rydberg) M. Peck
Treatment appears in FNA Volume 5. Treatment on page 281. Mentioned on page 230, 276, 278.

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


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


Lower Taxa

... more about "Eriogonum chrysops"
James L. Reveal +
Rydberg +
Undefined subg. Eucycla +
One-eyed wild buckwheat +
1200-1400 m +
Gravelly basaltic or rhyolitic slopes and outcrops, sagebrush communities +
Flowering May–Jul. +
Fl. Rocky Mts., +
Endemic +  and Conservation concern +
Eriogonum ochrocephalum subsp. chrysops +  and Eriogonum ovalifolium var. chrysops +
Eriogonum chrysops +
Eriogonum subg. Eucycla +
species +