9. Cranichis longipetiolata C. Schweinf., Amer. Orchid Soc. Bull. 21: 268. 1952.

Type.

PERU. Ferreyra 3120 (lectotype, designated by Garay (1978: 200): AMES!, isolectotype: USM; UGDA-DLSz!-drawing).

Diagnosis.

Plants up to 29-37 cm tall. Leaf 1, basal, petiolate; petiole 10.5-14 cm long; blade 8-10 cm long, ca. 5.0 cm wide, oblong-elliptical to ovate, oblique, acute or shortly acuminate, cuneate to subcordate at base. Scape glabrous below, finely pubescent or ciliate above, with 3-5, non-foliaceous sheaths. Inflorescence 5-7 cm long, conical, subdensely many-flowered . Flowers greenish or greenish-white. Floral bracts 4.3 mm long, lanceolate, glabrous. Pedicellate ovary 6.2 mm long, glandular. Dorsal sepal 4.1-5.0 mm long, 1.2-2.1 mm wide, ovate-lanceolate to narrowly elliptical, subacute, concave, 3-veined. Petals 3.3-4.0 mm long, 0.3-0.7 mm wide, obliquely linear-lanceolate, subobtuse, more or less oblique or curved, 1-veined, glabrous. Lateral sepals 4.2 mm long, 1.6-2 mm wide, obliquely elliptical, subacute to obtuse, 2-3-veined, margin very sparsely ciliate. Lip 3.2-3.6 mm long, 1.8-3.0 mm wide, deeply concave, basally gibbose, shortly unguiculate, obovate to suborbicular, apex rounded with a minute apiculus; disc with three transversely anastomosing veins. Gynostemium 1.8-2.0 mm long. Fig. 11.

Habitat and ecology.

Terrestrial in Yungas montane humid, and cloud forest, also in montane Tucumano-Boliviano forest, at altitudes between 2380-3000 m. Flowers in March.

Representative specimens.

Bolivia. Santa Cruz: J.M. Caballero, Comunidad Siberia, ca. 1-2 km arriba del pueblo de Siberia, sobre un camino vecinal, entrando hacia el Parque Nacional Amboro. 17°49.36'S, 64°45.14'W, 3001 m. 26 March 2004. M. Mendoza & S. Acebo 912 (LPB!), Vallegrande. Tucumano-Bolivano. 18°34 ’28” S 64°02 ’33” W, 2387 m. Parada et al. 4208 (LPB!). Fig. 2.

Notes.

The lip of the specimen collected by Parada et al. 4208 (LPB) differs somewhat in shape from the typical form of that of C. longipetiolata, which is obovate rather than suborbicular in outline.