Gomphrena serrata |
Gomphrena caespitosa |
|
|---|---|---|
|
arrasa con todo |
tuft ball clover, tuft globe-amaranth |
|
| Habit | Plants perennial or annual, not cespitose, 1–10 dm; roots fibrous. | Plants perennial, cespitose, 0.5–1.5 dm; roots primary, diffuse, woody. |
| Stems | prostrate, procumbent, or decumbent, pilose. |
ascending, with 1–2 pairs of leaves, sparsely villous, often glabrate. |
| Leaves | sessile or petiolate; petiole to 0.6 cm; blade green, obovate to oblong, 1.5–7.5 × 0.5–2.5 cm, apex rounded or obtuse, pilose-sericeous. |
mostly basal; petiole to 3 cm; blade green, obovate or oblong, 3.5–7.5 × 2–3 cm, apex rounded or obtuse, densely grayish appressed-pilose. |
| Inflorescences | heads white tinged with pink or red, globose to short-cylindric, 9–13 mm diam.; bractlets with denticulate crests along keel. |
heads white, subglobose, 10–17 mm diam.; bractlets not crested, margins dentate near apex. |
| Flowers | tube densely lanate; perianth lobes white, narrowly oblong, 4–5 mm, apex attenuate. |
tube densely white-pilose; perianth lobes white to yellow, linear to lanceolate, 4.5–5 mm, hyaline, apex obtuse. |
| Seeds | 1.2 mm. |
1.5 mm. |
| Utricles | ovoid, 2.2 mm, apex acute. |
ovoid, 2 mm, apex acute. |
Gomphrena serrata |
Gomphrena caespitosa |
|
| Phenology | Flowering year-round. | Flowering spring–early summer. |
| Habitat | Lawns, roadsides, sandy open areas, woodlands, hammocks | Open woodlands, especially oak-juniper woodlands, hillsides |
| Elevation | 0-1500 m [0-4900 ft] | 600-2000 m [2000-6600 ft] |
| Distribution |
FL; GA; TX; Mexico; Central America; South America
|
AZ; NM; Mexico (Sonora)
|
| Parent taxa | ||
| Sibling taxa | ||
| Synonyms | G. decumbens, G. dispersa | |
| Name authority | Linnaeus: Sp. Pl. 1: 224. (1753) | Torrey: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 181. (1859) |
| Source | FNA vol. 4, p. 453. | FNA vol. 4, p. 452. |
| Web links | ||