Triphysaria versicolor

Stems simple or with 1–20 ascending branches, 5–60(–80) cm, glabrous proximally, sparsely pubescent distally. Leaves glabrous or sparsely pubescent; proximal cauline: blade linear, 3–30(–80) mm; cauline: blade ± ovate or obovate, 15–90 mm, base sessile, margins pinnatifid, rarely bipinnatifid, lateral lobes 3–9. Spikelike racemes interrupted, dense distally, 2–30 cm; peduncle absent; bracts pinnatifid, ± ovate or obovate, 6–22 mm, lateral lobes 2–7. Pedicels 1–2 mm, glabrous. Flowers: calyx 5–11 mm, glabrous or sparsely puberulent, tube 4–8 mm, lobes narrowly triangular, 1.5–5 × 1–2 mm; corolla yellow, rarely yellow and white, or white, fading to rose pink, 12–25(–27) mm, densely short-hairy, beak ± yellow, white, or rose pink, not hooked, abaxial lobes spreading, 2–4 mm, throat abruptly indented, forming a fold under abaxial corolla lip, adaxial lobes projecting; stamens included, pollen sac yellow, 1.7–3 mm, glabrous, dehiscing longitudinally; style 10–20 mm, glabrous; stigma capitate. Capsules 6–9(–10) × 3.5–5 mm, glabrous. Seeds 15–60, ovoid, 0.6–1 mm.

Distribution

w North America.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Lower Taxa

Triphysaria versicolor subsp. faucibarbata, Triphysaria versicolor subsp. versicolor

Key

1	Corollas white, fading to rose pink, beaks white or rose pink.	Triphysaria versicolor subsp. versicolor
1	Corollas yellow, rarely yellow with white, beaks yellow or white.	Triphysaria versicolor subsp. faucibarbata