Stems glabrous or puberulent, glandular. Leaves: blade margins entire, 3-lobed, or irregularly pinnatifid, pinnules linear, surfaces minutely scabrid. Pedicels 6–10 mm. Flowers: calyx lobes linear to lanceolate, margins entire; corolla yellow, with or without purple markings in throat, externally glabrous, internally pubescent in a ring at stamen insertion; filaments glabrous distally, anthers dehiscing to 1/4 length. Capsules symmetric, falcate, glabrous. Seeds irregularly shaped, wings absent.
Phenology: Flowering and fruiting Aug–Sep.
Habitat: Rocky slopes and ridges.
Elevation: 1200–1700 m.
Distribution
Tex., Mexico (Coahuila).
Discussion
In the flora area, var. falcata is known from the Dead Horse Mountains of Brewster County (J. Fenstermacher 2006).
Selected References
None.
Lower Taxa
None.