Thymophylla pentachaeta var. hartwegii
Sida 11: 377. 1986.
Basionym: Hymenatherum hartwegii A. Gray Smithsonian Contr. Knowl. 3(5): 117. 1852
Synonyms: Dyssodia hartwegii (A. Gray) B. L. Robinson Dyssodia pentachaeta var. hartwegii (A. Gray) Strother
Treatment appears in FNA Volume 21. Treatment on page 242.
Revision as of 21:13, 5 November 2020 by imported>Volume Importer
Leaves 12–34 mm overall, lobes 3–7, unequal (terminal lobes usually notably longer than laterals). Peduncles 2–5 cm. Calyculi of 3–5 bractlets. Involucres cylindric, 3–5 × 2–3.5 mm. Phyllaries ca. 13, margins of outer distinct 1/3 or less their lengths, abaxial faces sparsely puberulous, often glabrescent. Disc florets 16–40. Pappi of 5 erose scales alternating with 5, 1–3-aristate scales.
Phenology: Flowering early spring and late summer, following rains.
Habitat: Calcareous outcrops and bluffs, deserts
Elevation: 1500–2500 m
Distribution
Ariz., N.Mex., Tex., Mexico.
Discussion
Selected References
None.
Lower Taxa
None.