Tripterocalyx wootonii


Contr. U.S. Natl. Herb. 12: 329. 1909.

Synonyms: Abronia wootonii (Standley) Tidestrom Tripterocalyx carneus var. wootonii (Standley) L. A. Galloway
Treatment appears in FNA Volume 4. Treatment on page 71. Mentioned on page 70.

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


V4 148-distribution-map.gif

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


Selected References


Lower Taxa