Orchidaceae
Altensteinia boliviensis Rolfe
Kingdom: Plantae Rank: Species Parent: Altensteinia Status: Valid
Morphological Description
Diagnosis:
Rosulate terrestrials to 50 cm tall. Leaves lanceolate, acute, 9-30 x 4-5 cm. Inflorescences erect, pedunculate, densely-flowered, cylindric, spicate racemes, the peduncles 35-40 cm long, the rachis to 10 cm long, the display of flowers 2.5 cm in diameter. Flowers numerous, non-resupinate, the sepals pale greenish white, the petals crystalline white, the lip yellowish green. Sepals elliptic, obtuse, densely pubescent on the back, to 8.5 x 4.2 mm. Petals linear, slightly dilated toward the obtuse apex, with irregularly erose-denticulate margins toward the apex, to 9.5 x 1.5 mm. Lip unlobed, suborbicular, shallowly concave, 9 x 8-12 mm, finely fringed along the margins, with a tuft of trichomes near the base. Column pubescent, 6 mm long.
CUSCO: Prov. Paucartambo, Waqecha Cloud Forest Research Station, Repasky 363 (USM)
CUSCO: Prov. Paucartambo, Waqecha Cloud Forest Research Station, Repasky 382 (USM)
CUSCO: Prov. Urubamba, Pacaiimayo train station, km 96, 2300 m, M. León & B. Collantes 2889 ex Bennett 7881 (MOL)
Vegetative Morphology
Habit: Rosulate terrestrials to 50 cm tall.
Leaves: Leaves lanceolate, acute, 9-30 x 4-5 cm.
Reproductive Morphology
Inflorescence: Inflorescences erect, pedunculate, densely-flowered, cylindric, spicate racemes, the peduncles 35-40 cm long, the rachis to 10 cm long, the display of flowers 2.5 cm in diameter.
Flowers: Flowers numerous, non-resupinate, the sepals pale greenish white, the petals crystalline white, the lip yellowish green. Sepals elliptic, obtuse, densely pubescent on the back, to 8.5 x 4.2 mm. Petals linear, slightly dilated toward the obtuse apex, with irregularly erose-denticulate margins toward the apex, to 9.5 x 1.5 mm. Lip unlobed, suborbicular, shallowly concave, 9 x 8-12 mm, finely fringed along the margins, with a tuft of trichomes near the base. Column pubescent, 6 mm long.