Wyoming Rare Plant Field Guide
Oryzopsis contracta
- Synonym: O. hymenoides var. contracta
- Similar Species: O. hymenoides has a widely-spreading, wavy-branched panicle and plump lemmas with shorter awns and longer silky hairs (hairs well exceed the lemma). O. micrantha has glabrous lemmas.
- Flowering/Fruiting Period: June-August/June-October.
- Distribution: SW Montana, W and C Wyoming, and N Colorado.
- Habitat: Basin and foothill areas on dry, sandy soils. Elev. 4800-7500 ft.
- References: Fertig 1992 e, 1993 c; Fertig 1994 b; Hallsten et al. 1987; Shechter and Johnson 1966.
