Erythranthe filicaulis

Annuals, taprooted. Stems erect, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Leaves cauline, basal usually not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined, linear to oblanceolate, 6–15 × (1–) 2–3 mm, base attenuate, margins entire to remotely mucronulate, teeth 1–3 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Flowers herkogamous, 2–8, from medial to distal nodes. Fruiting pedicels 9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Fruiting calyces reddish brown-spotted, strongly angled, cylindric-campanulate, 7–9 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. Corollas pink to purple, throat dark red-purple, palate ridges yellow, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular; tube-throat cylindric-funnelform, 8–12 (–17) mm, exserted beyond calyx margin; limb expanded 10–14 mm, lobes notched, palate villous. Styles glabrous. Anthers included, hirtellous. Capsules included, 5–7 mm. 2n = 16.

Phenology: Flowering May–Jul.
Habitat: Moist open areas on gentle slopes, meadows, roadsides, gravelly soils.
Elevation: 800–1800 m.

Calif.

Discussion

Erythranthe filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species.

Selected References

None.

Lower Taxa