Psathyrotopsis scaposa
Phytologia 45: 459. 1980.
Illustrated
Basionym: Psathyrotes scaposa A. Gray Smith-sonian Contr. Knowl. 5(6): 100, plate 13. 1853
Synonyms: Pseudobartlettia scaposa (A. Gray) Rydberg
Treatment appears in FNA Volume 21. Treatment on page 381.
Leaf blades 1–6 × 1–4 cm. Peduncles (3–)5–20 mm, stipitate-glandular (at least distally). Disc corollas ca. 5 mm. Cypselae 2.5–3.5 mm; pappus bristles 1–3 mm. 2n = 38.
Phenology: Flowering mostly spring and fall (following rains).
Habitat: Gypseous and calcareous soils in creosote bush scrub-lands
Elevation: 700–1300 m
Distribution
N.Mex., Tex., Mexico (Chihuahua).
Discussion
Selected References
None.
Lower Taxa
None.