Burmannia capitata
Nov. Gen. Sp. Pl. 1: 12. 1823.
Stems 3–24 (–33) cm. Leaves: basal leaves 0–3, ± same size as cauline leaves; cauline leaves subulate-lanceolate, 2–8 × 0.3–1.2 mm. Inflorescences 2–25-flowered cymes, usually appearing capitate (rarely less contracted), or occasionally flower solitary; cyme rachis usually absent, rarely to 6 mm; floral bracts subulate to lanceolate, 1.5–4 mm. Flowers 3-ribbed or slightly 3-winged, 2–6 mm; perianth cream-colored to white, sometimes tinged with blue or green; perianth-tube (3-lobed or) 6-lobed, to 0.8 mm wide; outer lobes usually incurved, triangular, 0.3–0.5 mm, margins involute; inner lobes absent or linear to elliptic, to 0.3 mm; pedicel 0–1 mm. Capsules 1.5–3 mm.
Phenology: Flowering mostly late summer–fall.
Habitat: Low woods, pond margins, savannas, bogs, swamps, ditches
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., Mexico, West Indies, Central America, South America (to Argentina), South America (Paraguay), South America (Bolivia), South America (Brazil)
Discussion
Chromosome counts of this species are not known from our region. A count of 2n = ca. 136 was reported for collections from Argentina.
Selected References
None.