Chrysactinia mexicana
Mem. Amer. Acad. Arts, n. s. 4: 93. 1849.
Illustrated
Treatment appears in FNA Volume 21. Treatment on page 232.
Plants twiggy. Leaf blades 5–10(–23) × 1–2 mm. Peduncles 15–75 mm (heads usually held well beyond foliage). Ray laminae 6–12 × 2–4 mm. Disc corollas 4.5–7 mm. Cypselae 3–4 mm; pappi 3–5.5 mm. 2n = 45.
Phenology: Flowering spring–fall.
Habitat: Mostly on limestone and derived soils
Elevation: 200–2200+ m
Distribution
N.Mex., Tex., Mexico.
Discussion
Selected References
None.
Lower Taxa
None.