Tetradymia tetrameres
Brittonia 26: 192. 1974.
Endemic
Basionym: Tetradymia comosa subsp. tetrameres S. F. Blake Proc. Biol. Soc. Wash. 35: 176. 1922
Shrubs, 30–200 cm. Stems 1–10+, erect (wandlike), unarmed, evenly pannose. Leaves: primaries linear-filiform, flaccid, 10–40 mm; secondaries filiform-spatulate, 10–20 mm, sparsely tomentose. Heads 4–6. Peduncles 1–3 cm. Involucres turbinate, 8–9 mm. Phyllaries 4–5, oval-elliptic. Florets 4–5; corollas pale yellow, ca. 8 mm. Cypselae 5–6 mm, densely pilose (hairs 4–7 mm); pappi of ca. 20, coarse bristles or subulate scales 3–5 mm. 2n = 60.
Phenology: Flowering late spring–early summer.
Habitat: Deep sands or dunes, sagebrush scrub
Elevation: 1200–2100 m
Discussion
Selected References
None.
Lower Taxa
None.