Tripterocalyx wootonii

Stems often reddish, at least at nodes, short glandular-pubescent, viscid. Leaves: petiole 1–6.5 cm; blade ovate to elliptic-oblong, 1.5–8 × 0.5–5 cm, margins entire, often undulate, often scabro-ciliate; surfaces glabrous or glandular-puberulent, somewhat ± glaucous abaxially. Inflorescences 10–25-flowered; bracts linear-lanceolate to ovate, 5–14 × 1.5–5 mm, papery, base often ± attenuate, margins glandular short ciliate, glabrous, or glabrate. Perianth: tube pink to pinkish red, 12–25 mm, limb white adaxially, often pinkish abaxially, 8–11 mm diam., lobes showy, over 1.5 mm. Fruits oval in profile, 13–20 (–25) × 9.5–17.5 mm, walls indurate; lateral ribs 1–3, or ribs absent, if exending into wings, only slightly raised; wings (2–) 3 (–4).

Phenology: Flowering spring–fall.
Habitat: Sandy soils, desert scrub
Elevation: 1000-2200 m

Ariz., Colo., N.Mex., Utah.

Discussion

Selected References

None.

Lower Taxa