Trisetella lasiochila Pupulin 2000 SECTION Trisetella SUBSECTION Calvicaulis Luer 1989

TYPE Drawing by Franco Pupulin and The Epidendra Orchid Website


Common Name The Shaggy Tightly Overgrown Lip Trisetella [refers to the jagged, toothlike processes of the lip]

Flower Size .4" [1 cm]

Found in Cartago province of Costa Rica in cloud forests and montane wet forests at elevations around 1400 meters as a mini-miniature sized, cool growing epiphyte with erect, terete ramicauls enveloped by 1 to 2, tubular sheaths and carrying a single apical, erect, green, linear to narrowly elliptical-linear, semiterete, sulcate, obtuse to minutely retuse apically leaf that blooms in the later spring on a smooth, erect to slightly arching, 2.04" [5.1 cm] long, successively few flowered inflorescence arsing from low on the ramicaul concealed within a short, tubular sheath and has ovate, truncate, shorter than the pedicel floral bracts.

"Closely related to Trisetella triglochin but T lasiocjila has a lip with 4 carinae arranged in 2 pairs, the basal ones larger and superposed to te small, forward pair. The apex of the lip has a densely pubescent, thickened, cushion-like callus, a unique feature in the T triglochin complex. The column as well has variations in the clinandrium which is prominent and cl;early dentate-erose and the column length exceeds the length of the lip." Pupulin 2000

References W3 Tropicos, Kew Monocot list , IPNI ; * Lindleyana 15(1): 30-32, f. 6. Pupulin 2000 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;