Gomphrena viridis
Contr. U.S. Natl. Herb. 16: 120. 1913.
Plants perennial, cespitose, 0.3–1 dm; roots primary, woody. Stems ascending, with 1–2 pairs of leaves, sparsely villous, glabrate. Leaves mostly basal; petiole 0.7–1.5 cm; blade green, obovate to elliptic-oblong, 3.5–7.5 × 2–3 cm, apex obtuse to acute, very sparsely strigose to nearly glabrous. Inflorescences: heads white, subglobose to cylindric, 35–70 × 8–20 mm; bractlets concave, not crested. Flowers: tube densely lanose; perianth lobes white, oblong or oblanceolate, 4.7 mm, indurate, apex obtuse, spinose-tipped. Utricles not seen. Seeds not seen.
Phenology: Flowering summer–fall.
Habitat: Dry plains, hillsides
Elevation: 1000-2000 m
Distribution
Ariz., N.Mex., Mexico (Chihuahua, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.