familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusJohanneshowellia
speciesJohanneshowellia crateriorum
Johanneshowellia crateriorum
Brittonia 56: 304, fig. 2. 2004.
Common names: Lunar Crater Howell’s-buckwheat
Plants spreading, reddish, 0.5–3 × 1–3(–5) dm, thinly silky-puberulent. Stems 0.3–0.5 dm. Leaf blades obovate to rounded or somewhat reniform, 0.5–1.5 × 0.5–1.5 cm. Inflorescences spreading, diffuse, 5–25 cm; bracts triangular, 1–2(–2.5) × 1–2(–2.5) mm, scalelike, glabrous but ciliate on margins. Involucral bracts oblanceolate to obovate, 0.5–0.8 × 0.1–0.3 mm, glabrous but ciliate on margins, outermost one deeply 2-lobed. Flowers: perianth white to rose, becoming red in fruit, 2–2.5 mm, smooth; tepals monomorphic, lanceolate, not auriculate, margins entire; filaments 1.2–1.8 mm. Achenes 1.3–1.8 mm.
Phenology: Flowering May–Sep.
Habitat: Sandy, pumice flats and slopes, saltbush communities
Elevation: 1700-1900 m
Discussion
Johanneshowellia crateriorum is known only from the Lunar Crater area of Nye County.
Selected References
None.
Lower Taxa
None.