Guardiola platyphylla
Smithsonian Contr. Knowl. 5(6): 91. 1853.
Illustrated
Treatment appears in FNA Volume 21. Treatment on page 42.
Leaf blades coriaceous, 20–70 × 15–50 mm. Phyllaries 7–10 mm. Ray laminae 3–5(–7) mm. Disc corollas 9–11 mm. Cypselae 5–6 mm. 2n = 24.
Phenology: Flowering spring–late summer.
Habitat: Hillsides, canyons, among rocks
Elevation: 800–1600 m
Distribution
Ariz., Mexico (Chihuahua, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.