Berlandiera ×macrophylla
Contr. W. Bot. 12: 48. 1908.
Basionym: Berlandiera lyrata var. macrophylla A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 243. 1884
Revision as of 20:57, 27 May 2020 by imported>Volume Importer
Plants 15–120 cm. Stems (1–8) unbranched or branched near bases. Leaves crowded near stem bases; petiolate; blades oblanceolate, sometimes pinnatifid basally (terminal lobes longer than pinnatifid portions), membranous, ultimate margins usually crenate, faces velvety. Heads usually borne singly, sometimes 2–3 together. Peduncles hairy (hairs reddish, wartlike, enmeshed in whitish, matted hairs). Involucres 15–30 cm diam. Ray corollas yellow, abaxial veins green, laminae 10–13 × 3–5 mm. Disc corollas yellow. Cypselae (obovate) 5–6 × 3.5–4 mm. 2n = 30.
Phenology: Flowering late spring–fall.
Habitat: Calcareous outcrops and derived soils
Elevation: 600–2100 m
Distribution
Ariz., Mexico (Sonora).
Discussion
Berlandiera ×macrophylla is a hybrid of B. lyrata and B. monocephala, with which it occurs.
Selected References
None.
Lower Taxa
None.