Tetraneuris acaulis var. arizonica
Phytologia 45: 467. 1980.
Basionym: Tetraneuris arizonica Greene
Synonyms: Hymenoxys acaulis var. arizonica (Greene) K. F. ParkerHymenoxys acaulis var. nana S. L. WelshT. acaulis var. nana (S. L. Welsh) Kartesz & Gandhi
Revision as of 00:50, 27 July 2019 by FNA>Volume Importer
Plants (2–)6–15(–30+) cm. Leaves: blades spatulate or oblanceolate to linear-oblanceolate, glabrous or moderately to densely hairy (not strigoso-canescent or sericeous), densely gland-dotted. Heads 1–20(–35) per plant. Peduncles (1–)5–15(–30) cm. Outer phyllaries 7–10, 3.9–6.5 mm, margins 0–0.3(–0.4) mm wide, often slightly scarious, abaxial faces sparsely to usually moderately to sometimes densely hairy. Ray florets 9–15; corollas 11–17 mm. Cypselae 3–3.7 mm; pappi 2–3.5 mm. 2n = 28, 30, 56, 60.
Phenology: Flowering (Apr–)May–Jul(–Sep).
Habitat: Roadsides, hillsides, grasslands, edges of woods, aspen meadows
Elevation: 1300–2900 m
Distribution
Ariz., Calif., Colo., Idaho, Nev., Utah.
Discussion
Selected References
None.
Lower Taxa
None.