Pterygodium hastatum Bolus

Plants slender, to 350 mm tall; leaves 2-4, ovate-oblong, to 210 x 60 mm. Inflorescences lax, to 80 mm long, 2-numerous-flowered; bracts ovate-acute, to 20 x 5 mm. Flowers c. 20 x 15 mm, pale green with small purple dots on petal and median sepal apices; ovaries 8-10 mm long. Median sepal oblong-elliptic, subacute, 8-14 x 4-5 mm, adnate to the petals; lateral sepals spreading, elliptic, sacªcate, apices recurved, 7-12 x 3-4 mm. Petals subrotund, margin erose, somewhat undulate, 6-10 x 8-12 mm. Lip broadly rounded, erose, 3x3-5 mm; appendage 3-pointed apically, 4-7 x 3 mm. Stigma lobes narrowly elliptic, at the base of the lip appendage posteriorly, 1 mm long; rostellum c. 2 mm tall, arms c. 1.5 mm long.