Feddes Repert. Sp. Nov. Regni Veg. 52: 31. 1943.
Stems erect or ascending, 10–80 cm, hairy proximally. Leaves: blade ovate proximally, linear-lanceolate distally, 10–50 × 1–15 mm, hairy or glabrous. Pedicels 20–90 mm. Flowers: calyx lobes equal, 4–8 mm; corolla lavender to purple, usually with darker veins, 10–14 mm, mouth 4–5 mm diam., abaxial lobes reflexed, purple, adaxial lobes reflexed, lavender to purple, palate white with purple veins. Capsules usually erect, globular to broadly ovoid, 5–7 mm, glabrous, with 2 pores elongating into slits. Seeds not spotted, ovoid, 0.8 mm, abaxial surface with blocklike tubercles. 2n = 30.
Phenology: Flowering Apr–Jun.
Habitat: Disturbed sites, chaparral, coastal sage.
Elevation: 10–1000 m.
Calif., Mexico (Baja California)
Neogaerrhinum strictum grows from the San Francisco Bay area to northern Mexico. D. M. Thompson (1988) found that it can grow abundantly following a fire.
The name Antirrhinum kelloggii Greene has been used for this species, but it is invalid.
"elongating" is not a number.