Phytoneuron 2012-47: 1. 2012.
Herbs, annual. Stems erect, 20–280 mm, densely glandular-pubescent and viscid. Leaves usually cauline, gradually reduced distally; petiole absent; blade obovate to narrowly elliptic, 4–40 × 0.7–20 mm, margins entire or serrate, plane, apex obtuse to rounded, surfaces: proximals glabrous abaxially, distals glandular-pubescent. Pedicels 1–4 (–5) mm in fruit. Flowers 1 per node, chasmogamous. Calyces symmetrically attached to pedicels, inflated in fruit, 6–10 (–12) mm, villous, hairs eglandular, lobes unequal, apex acute to attenuate, ribs and intercostal areas often reddish. Corollas lavender to magenta or red with diffuse dark markings on sides of darker tube-throat, lobes dark at base, without radiating dark lines, floor and palate ridges white or yellow fading distally to white, palate ridges and throat ceiling villous-pilose, tube-throat 10–20 mm, limb 8–20 mm diam., not bilabiate. Anthers included, ciliate. Styles glabrous or sparsely eglandular-puberulent. Stigmas included, lobes unequal, abaxial 3–4 times adaxial. Capsules 6–9 mm. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Hillsides, washes, recently burned areas, soil and scree banks, granitic sand, chaparral openings, gray pine-blue oak woodlands.
Elevation: 300–1000 m.