Semiramisia alata Luteyn, Syst. Bot. 9(3): 360, figs. 1-2, 1984.  Type:  Colombia, Huila, Parque Nacional Cueva de los Guacharos y Cerro Punta, 2550 m, 3 Jul 1974 (fl), Cleef 5034 (holotype: COL, photo: NY  neg. 11109;  isotype: L).  Image:  Line-drawing.

         Shrub with stems glabrous, minutely striate, strongly winged, the wings arising at the nodes.  Leaves thick-coriaceous, narrowly ovate-elliptic, 5-8 x 2.3-4 cm, basally cuneate, attentuate, apically short-acuminate, marginally revolute in the proximal one-third;  3-5-plinerved, the inner nerves arising from above the base, the midrib raised and carinate in the proximal 1-2 cm but impressed distally above and conspicuously raised beneath, the lateral nerves slightly impressed above and raised beneath but inconspicuous, the reticulate veinlets obscure;  petiole subterete, carinate above, 3-8 mm long, glabrous.  Flowers solitary in the axils of uppermost leaves;  floral bract not seen;  pedicels rugose, subterete, expanding distally, glabrous, ca. 11-12 mm long;  bracteoles near the base, ovate, 1 mm long;  calyx 5-winged, glabrous but with scattered glandular fimbriae, ca. 9 mm long;  hypanthium rugulose, 4-5 mm long, the wings 1-1.5 mm broad;  limb 4-5 mm long;  lobes less than 1 mm long;  corolla cylindric-campanulate, glabrous, ca. 40 mm long and 10 mm in proximal diam. when dry, color unknown, the lobes deltate, ca. 2 mm long and 6 mm broad when fresh but tearing to 7 mm long when dry;  stamens ca. 34 mm long;  filaments apparently connate (unclear in specimens at hand), glabrous, 3-4 mm long;  anthers 30-33 mm long;  thecae 8-9 mm long;  tubules dehiscing by subterminal clefts to 5 mm long. Berry not seen.

         Distribution (Map).  Endemic to Colombia and known only from the type, which was collected in a very humid Andean forest at 2550 m elevation with Quercus, Weinmannia, melastomes, and ericads.  It was flowering in July.  Rare and endangered.