Sepals dissimilar, free to base, subparallel, with spreading 
apices; dorsal sepal concave. partially adnate to back of column: 
lateral sepals oblique, with column-foot form either a gibbose 
mentum or spur-like. Petals agglutinate with dorsal sepal except 
at spreading apices, sessile or somewhat oblique at base, not 
truly decurrent. Lip sessile, fused with incurved base of column, 
broadly concave to gibbose at base, the lateral Margins in mid- 
dle, lightly agglutinate with sides of column, arcuate to recurved 
at apex. Column moderately short, somewhat arcuate. with a 
distinct, decurrent incurved foot; stigmata 2, commonly conflu- 
ent or closely approximate with a bilobed apex: rostellum rigid, 
more or less unequally 3-dentate, the median tooth always 
longer, acuminate. Anther ovate-cucullate, acuminate: pollinia 
narrowly clavate with a prominent, more or less ovate-elliptic 
viscidium. Ovary subcylindric-fusiform, sessile or subsessile. 
Plants small, caespitose, facultative epiphytes. growing among 
mosses On tree branches. Roots rather slender, fasciculate. 
Leaves basal, several, sessile, or with a cuneate base. the margins 
commonly ciliolate. Scape erect, slender, pubescent to villose. 
loosely few-flowered above. Flowers membranaceous. small to 
medium in size, 
TYPE: Lankesterella costaricensis Ames 
Eight species native to the American tropics. 
Index to species 
caespitosa (Lindl.) Hoehne 
ceracifolia (Barb.Rodr.) Mansf. 
costaricensis Ames = Lankesterella orthantha (Krzl.) Garay 
epiphyta (Barb.Rodr.) Mansf. = Lankesterella caespitosa (Lindl.) Hoehne 
gnoma (Krzl.) Hoehne 
Hoehnei Leite = Lankesterella gnoma. (Krzl.) Hoehne. 
longicollis (Cogn.) Hoehne 
majus (Hoehne & Schltr.) Hoehne = Lankesterella ceracifolia (Barb. Rodr.) 
Mansf. 
mantiens Hoehne = Lankesterella ceracifolia (Barb.Rodr.) Mansf. 
oligantha (Hoehne & Schltr.) Mansf. = Lankesterella ceracifolia (Barb. 
Rodr.) Mansf. 
orthantha (Krzl.) Garay 
parvula (Krzl.) Pabst 
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