长瓣杓兰Cypripedium lentiginosum
Steep rocky limestone boulders just below ridges in thickets or open forests; 2100-2200 m. SE Yunnan (Malipo). |
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Plants 7-11 cm tall, with a stout, creeping rhizome. Stem erect, 3-7 cm, covered by 2 tubular sheaths, apex with a subopposite leaf and bract prostrate on substrate. |
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Leaf blade dark green, heavily spotted with black, sometimes with a purplish margin, ovate, obovate, or suborbicular, ca. 16 × 14 cm. |
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Inflorescence terminal, 1-flowered, ebracteate; pedicel 3-4 cm, glabrous; ovary ca. 1.6 cm, glabrous. Dorsal sepal and synsepal liver-colored; petals and lip off-white, creamy white, or yellowish, marked with maroon spots; staminode liver-colored. Dorsal sepal elliptic-ovate, ca. 6 × 2.5-3 cm, subglabrous, apex acute; synsepal lanceolate, ca. 5 × 1 cm, ciliate, apex acute. Petals incurved forward, enfolding lip, obliquely oblong-lanceolate, ca. 6.2 × 1.9 cm, concave, abaxially pubescent on upper side, sparsely ciliate, apex acuminate; lip pouched, dorsiventrally flattened, ca. 3 × 2.5 cm, minutely papillate on front surface. Staminode trullate, ca. 1 cm, papillose toward adaxial apex, rounded at apex. Fl. May. |
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Plants 7-11 cm tall, with a stout, short rhizome. Stem erect, 3—7 cm lon g, covered by 2 sheaths, with 2 subopposite leaves at apex. Leaves prostrate on substrate, broadly ovate elliptic to suborbic ular, 13—25 cm long, 12- 25 cm wide , pale green-grey spotted with blackish brown, apex obtuse. Inflorescence terminal, 4—7 cm long, I-flowered , ebracteate; ovary usually curved, 1.6—2. 2 cm long, glabrous ; dorsal sepal and synsepal liver-colored or sometimes greenis h; petals and lip whitish to yellowish, marked with maroon or sometimes pale purple or blackish spots; staminode liver-colored or densely marked with liver colored spots; dorsal sepal elliptic-ovate , 6—7 . 8 cm lo ng, 2.5--4．2 cm wide, apex acuminate, subglabrous; synsepal narrowly elliptic , 5—6.5 cm long, 1- 1.8 cm wide, apex acute; petalscurved forward, enfolding lip, slightly oblique, suboblong to oblong-lanceo late, 7—9 c m long, 2- 3 cm wide, concave, abaxially pubescent on upper side, ciliate, apex acuminate; lip pouched , subellipsoid , dorsiventrally flattened, 3—3 . 5 c m long , 2.5—3 cm wide, minutely papillate on front surface; staminode ovate-oblong, 1- 1.5 cm lo ng, papillose toward adaxia l apex, auriculate and sessile at base.
Flowering period: May and June.
Distribution: SE Yunnan (Malipo).