Difference between revisions of "Tetragonotheca texana"
Proc. Amer. Acad. Arts 1: 48. 1847.
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|subtribe=Asteraceae (tribe Heliantheae) subtribe Galinsoginae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Galinsoginae | ||
Latest revision as of 21:12, 5 November 2020
Stems sparsely tomentulose or glabrous (nodes usually auriculate-appendaged). Leaves mostly cauline; blades ovate to lanceolate in outline, 3–7 × 1–3 cm, subentire to incised or irregularly pinnatifid. Ray florets 8–13; laminae 10–18 mm. Cypselae ± quadrate, 2.5–4 mm; pappi 0, or (often fragile) of 1–10+ subulate or acerose scales to 0.5(–1.5) mm. 2n = 34.
Phenology: Flowering spring–summer.
Habitat: Sandy soils, often with mesquite
Elevation: 50–200 m
Distribution
Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Selected References
None.
Lower Taxa
None.