1.
Eltroplectris calcarata
(Swartz) Garay & H. R. Sweet, J. Arnold Arbor. 53: 390. 1972.
Longclaw orchid, spurred neottia
Neottia calcarata Swartz, Fl. Ind. Occid. 3: 1413, plate 28. 1806; Centrogenium setaceum (Lindley) Schlechter; Pelexia calcarata (Swartz) Cogniaux; P. setacea Lindley; P. setacea var. glabra Cogniaux; Spiranthes calcarata (Swartz) Jimenez; Stenorrhynchus calcaratus (Swartz) Richard
Plants to 70 cm. Roots numerous, 18 cm × 2—6 mm. Stems subterranean, obscured by roots. Leaves glabrous; petiole erect, reddish, slender, 9—20 cm, usually longer than blade; blade green, lanceolate to broadly elliptic, 9—15 × 3.5—7 cm, base cuneate, margins entire to crenulate, apex acute to acuminate. Inflorescences: peduncle reddish, satinlike, glabrous proximally, pubescent distally, with a few distant, sheathing bracts, 28—65 cm; racemes 3—11-flowered. Flowers spindly; sepals green, narrowly lanceolate, 21—30 × 6—7 mm, apex acuminate; dorsal sepal projecting over column; lateral sepals spreading; petals green, linear, 19—21 × 3 mm, apex acuminate; lip recurved, attached to column foot, white, ovate, lamina notched distal to middle, margins fringed, 2 cm, apex acuminate; spur adnate to ovary for 8—9 mm, cylindric, 15—17 mm, free portion curved, 7—9 mm; column semiterete, 8—10 mm, apex pointed; pedicellate ovary 1.5—2.3 cm, glabrous or sparsely pubescent. Capsules 18—25 mm; spur persistent.
Flowering Jan--Mar. In humus of moist hardwood hammocks; 0--30 m; Fla.; West Indies; n South America.
