Gomphrena martiana
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(2): 400. 1849.
Plants perennial, not cespitose, 0.4–1.5 dm; roots unknown. Stems erect, sparsely pilose. Leaves: petiole 0.4–1.4 cm; blade green, elliptic, 2.3–3.5 × 0.7–1 cm, apex acute, pilose. Inflorescences: heads white, subglobose, 7–11 mm diam., not subtended by 2 leaves; bractlets white, slightly ridged abaxially, not crested. Flowers: tube glabrous; perianth lobes white, lanceolate, 3.2 mm, chartaceous, margins entire, apex acuminate. Utricles not seen. Seeds not seen.
Phenology: Flowering fall.
Habitat: Wool-waste areas
Elevation: 30 m
Distribution
Introduced; N.Y., South America.
Discussion
Selected References
None.
Lower Taxa
None.