9b. Hypericum nitidum Lamarck subsp. exile (W. P. Adams) N. Robson, Bull. Brit. Mus. (Nat. Hist.), Bot. 23: 67. 1993.
[C]
Hypericum exile W. P. Adams, Contr. Gray Herb. 189: 33. 1962; H. galioides Lamarck var. cubense Grisebach
Plants with ± few, slender, little-branched stems from base, 3–10 dm. Leaf blades 9–26 x 0.5–0.8 mm, chartaceous, margins tightly inrolled, apex acute to long-acuminate. Inflorescences with terminal dichasium 3–7-flowered. Sepal apices acute to long-acuminate. Capsules cylindric to narrowly conic. 2n = 18.
Flowering spring (Apr–May). Open pine woods in sand; of conservation concern; 10 m; Fla.; West Indies (w Cuba), Central America.