Pilostyles, Guillemin

González, Favio & Pabón-Mora, Natalia, 2014, Pilostyles boyacensis, a new species of Apodanthaceae (Cucurbitales) from Colombia, Phytotaxa 178 (2), pp. 138-145 : 144

Key to the Colombian species of Pilostyles

1. Flowers (specially the carpellate ones) tubular and almost cleistogamous; middle scales widely oblong; petals (5)6, bright white. Pollen sacs in 3–4 rows. Parasitizing branches of Dalea ; restricted to Andean dry thickets of the Eastern Cordillera above 2000 meters in elevation. ....................................................................................................................................................... P. boyacensis

1. Flowers bell shaped; middle scales diamond-shaped, petals 4(5), purple to brown. Pollen sacs in 2 rows. Parasitizing branches of Calliandra and Mimosa in Subandean dry forests of the Colombian Western Cordillera; Jamaica, Cayman Islands, Costa-Rica, Panama, Venezuela, Guyana, Brazil, Argentina, and Uruguay........................................................................................ P. blanchetii