Amphiachyris amoena
Rhodora 62: 52. 1960.
Common names: Texas broomweed
Endemic
Basionym: Xanthocephalum amoenum Shinners Field & Lab. 19: 77. 1951
Synonyms: Gutierrezia amoena (Shinners) Diggs, Lipscomb & O’Kennon
Treatment appears in FNA Volume 20. Treatment on page 88.
Plants 20–40(–60) cm. Primary stems usually (2–)5 mm diam. Leaf blades linear, rarely linear-lanceolate, 5–25(–35) × 0.2–1(–2) mm. Heads in open paniculiform arrays. Phyllaries 3–4 × 1–2 mm. Receptacles with hooked, swollen-based hairs. Cypselae 2–3 mm, 4–6-ribbed, long-setulose. 2n = 8.
Phenology: Flowering late Sep–Oct.
Habitat: Calcareous soils and gravels on or near limestone outcrops
Elevation: 0–650 m
Discussion
Selected References
None.
Lower Taxa
None.