Epilobium platystigmatosum C.B.Rob.

Slender, perennial herb, 15-40 cm tall, the underground parts not scaly; plants strigulose, densely so in the inflorescence, the stems pubescent all around. Leaves mostly opposite, alternate in and near the inflorescence, the upper ones reduced, strigulose along the veins and margins especially below, the nerves evident, very narrowly elliptic or linear, 1—3(—4) by 0.1-0.5 cm, weakly and sparsely serrulate; petiole 1-4 mm. Inflorescence slightly nodding. Flowers erect, borne in the axils of reduced upper leaves. Floral tube c. 1 mm across, c. 0.8 mm deep. Sepals 3-4 by 1.2-1.6 mm. Petals narrowly obovate, 3.3-4.5 by c. 2 mm, white or pale pink, the notch c. 1 mm deep. Anthers 0.2-0.3 mm long; filaments of the longer stamens c. 1.8 mm, those of the shorter c. 1.2 mm. Style c. 2 mm. Stigma broadly clavate, c. 0.8 mm high, c. 0.4 mm thick, surrounded by the anthers at anthesis. Capsule glabrescent, 3-5 cm long, on a pedicel 0-1.8 cm. Seeds 0.8-1 by 0.3-0.4 mm, papillose, not beaked, obovoid, blunt at both ends, the coma 4-6 mm long, white. Gametic chromosome number, n = 18.

Chiefly along small streams and about cliffs, 1200-2400 m. Fl. April-June.