Stylosanthes calcicola
Man. S.E. Fl., 730, 1505. 1933.
Stems herbaceous, erect, branched from near base, to 5 dm, often minutely pubescent along one side, sometimes glabrous, rarely pubescent throughout. Leaves: stipular sheath 7-veined, glabrous or puberulent, teeth of distal stipules mostly longer than sheath; petiole 2–4 mm; leaflet blades lanceolate to ovate, 150 × 80 mm, veins 3–5 pairs, base cuneate, margins rarely ciliate, apex acute to acuminate, surfaces glabrous. Inflorescences 2+-flowered, narrowly oblong or ovoid, to 1.5 cm, axis rudiment present, to 5 mm; bracts 1-foliolate, averaging 4 mm wide, 5–7-veined, margins ciliate and often bristly abaxially; outer bracteole 1–3 mm, apex ciliate; inner bracteoles 2, 2–2.5 mm, apex ciliate. Flowers: calyx tube 3–4 mm, lobes acute; corolla yellow; banner obovate, 4.5–6 mm; wings 4–5 mm; keel 3.5–4.5 mm. Loments conspicuously reticulate, 1.5–2 mm wide; fertile segments (1 or)2; proximal segment 2–2.5 mm; distal segment 2.5–3 mm, usually densely white-hairy, sometimes glabrate; beak straight or slightly curved, 1.5–2.5 mm, 1/2 to equaling distal segment, with short, white hairs or glabrous. Seeds 1–2 mm. 2n = 20.
Phenology: Flowering year-round.
Habitat: Pinelands.
Elevation: 0–10 m.
Distribution
Fla., Mexico, West Indies (Bahamas, Cuba), Central America (Guatemala).
Discussion
In the flora area, Stylosanthes calcicola is documented from only the southernmost tips of peninsular Florida and the Florida Keys.
Selected References
None.