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Pakistan | Family List | Orchidaceae | Calanthe

1. Calanthe tricarinata Lindl. (ex Wall, Numer. List: 246. no. 7339. 1832, nom. nud.), Gen. Sp. Orchid. Pl. 252. 1833. Hook.f., l.c. 847; Duthie, l.c. 119, pl. 103; R. R. Stewart, l.c. 66.

J. RENZ

Plants up to 50 cm tall, with small pseudubulbs. Leaves 3-4, ± sessile, sheathing, oblong to lanceolate, acuminate, up to 35 x 8 cm. Scape axillary. Inflorescence lax with minutely pubescent rachis. Flowers 2-2.5 cm across. Bracts persistent, lanceolate, shorter than pedicellate ovary, ± 10 mm long. Perianth segments greenish, spreading; sepals oblong-lanceolate, acuminate, c. 15x5 mm; petals slightly smaller. Labellum brownish-red, attached to the whole length of the column, somewhat saccate at base, 3-lobed; side lobes white, small, suborbicular; mid lobe c.10 mm long, rounded, flabellate, with erose margin; disk with 3 fleshy crenulate ridges. Column short, stout. Ovary minutely pubescent, with twisted pedicel.

Fl. Per.: July-August.

Type: “Hab. in Napalia,” Wallich.

Distribution: From Pakistan eastwards to Assam and Burma, the Khasia Hills and Thailand.


 

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