2. Cressa truxillensis Kunth in A. von Humboldt et al., Nov. Gen. Sp. 3(fol.): 93; 3(qto): 119. 1819.
[F W]
Cressa depressa Goodding; C. truxillensis var. minima (A. Heller) Munz; C. truxillensis var. vallicola (A. Heller) Munz
Stems to 40 cm, hirsute to sericeous; usually leafy at anthesis. Leaves: petioles 0.5–2 mm; blade elliptic, lanceolate, or ovate-lanceolate, 3–10 × 1–4 mm, surfaces hirsute to ± sericeous. Inflorescences: bracteoles ovate to ovate-lanceolate, 2–3 × 1 mm. Flowers: sepals: outer elliptic or obovate, 3–4 × 2.5–3 mm, inner obovate, 3–4.5 × 2–3 mm; corolla 5–6.5 mm, tube 3–3.5 mm. Capsules 5–6 mm. Seeds 3–4 mm. 2n = 28.
Flowering Apr–Nov. Moist saline and/or alkaline sites; -50–1600 m; Ariz., Calif., Nev., N.Mex., Okla., Oreg., Tex., Utah; Mexico (Baja California, Chihuahua, San Luis Potosí, Sinaloa, Sonora); South America (Argentina, Chile, Ecuador, Peru); introduced in Asia (Timor), Pacific Islands (Hawaii).
