Triphysaria micrantha

Stems simple or with 1–4 ascending branches proximally, (3.5–)5–15(–19) cm, glabrous proximally, pubescent to glandular-pubescent distally. Leaves pubescent to glandular-pubescent; proximal cauline: blade filiform to linear, (4–)5–25 mm; cauline: blade ± elliptic to obovate, 10–25 mm, base sessile, margins usually pinnatifid, lateral lobes 2–6(or 7). Spikelike racemes interrupted, open distally, 0.5–11 cm; peduncle absent; bracts pinnatifid, ± obovate, 7–13(–15) mm, lateral lobes 2–4. Pedicels 0.5–0.8 mm, glabrous, rarely sparsely puberulent. Flowers: calyx 6–7 mm, pubescent to glandular-pubescent, tube (2–)3–5 mm, lobes narrowly lanceolate, 1–3 × 0.8–1.3 mm; corolla yellow, rarely yellow and white, 10–12 mm, hairy, beak dark purple, rarely yellow, not hooked, abaxial lobes spreading, 1.5–2 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting; stamens included, pollen sac yellow, 1–1.3 mm, glabrous, dehiscing longitudinally; style 6–9 mm, glabrous; stigma 2-lobed. Capsules 3–5.5 × 3–4 mm, glabrous. Seeds (30–)40–80, ovoid to ellipsoid, 0.8–1 mm. 2n = 22.

Phenology: Flowering Mar–Apr.
Habitat: Grasslands, gravelly hilltops, oak woodlands.
Elevation: 50–800 m.

Distribution

• Generated Map
• Legacy Map

Calif.

Discussion

Triphysaria micrantha is known from central California from the coast to the Sierra Nevada.

Selected References

None.

Lower Taxa

None.