Triumfetta pentandra
in J. B. A. Guillemin et al., Fl. Seneg. Tent., 93, plate 19. 1831.
Herbs, annual. Stems erect, branched, 2.5–6 dm, stellate-pubescent. Leaves: petiole 1–5 cm; proximal blades rhombic-ovate, palmately 3-lobed, 4.5–9 cm, distal ovate-lanceolate, not lobed, base cuneate to obtuse, margins unequally coarsely serrate, apex acute to acuminate, surfaces: abaxial moderately hairy with mix of stellate hairs (laminae) and simple hairs (veins), adaxial sparingly simple-hairy, 5-veined from base. Inflorescences mostly 2 or 3 per axil, often subspicate; peduncle 1–2 mm. Pedicels 0.5–1 mm. Flowers: sepals narrowly oblong, subapically appendaged, 2–3 mm, sparsely stellate abaxially; stamens 5(–10); ovaries 2-locular. Capsules ovoid, 2.5–3 mm, surface densely tomentose; spines uncinate, densely hirsute on 1 side.
Phenology: Flowering Aug–Sep.
Habitat: Disturbed sites, roadsides, pastures, ditch banks
Elevation: 10–50 m
Distribution
Introduced; Fla., Africa, introduced also in South America, Asia (India, Pakistan, Sri Lanka, Taiwan), Atlantic Islands (Cape Verde Islands), Australia.
Discussion
Triumfetta pentandra is known from Baker and DeSoto counties.
Selected References
None.