Epilobium pannosum Hausskn.

Herbs perennial, robust, erect, sprouting from caudex or with leafy basal rosettes. Stems 20-120 cm tall, sparsely branched above, densely appressed-tomentose, sometimes mixed with glandular hairs on inflorescence, lacking obvious raised decurrent lines. Leaves crowded, subleathery, sessile and often clasping; cauline blade elliptic to lanceolate or ovate, 1-4.8 × 0.5-1.7 cm, both surfaces densely appressed-tomentose, base subrounded, margin remotely denticulate with 3-15 teeth per side, apex acuminate to acute or subobtuse. Inflorescence nodding initially, later erect; flowers nodding to suberect. Sepals 5.5-8 mm. Petals pink to rose-purple, 8-16 mm. Stigma cylindric to broadly clavate, entire. Capsules 3.5-6.5 cm, tomentose, glandular; pedicels 1.2-2.8 cm. Seeds dark brown, 0.9-1 mm, finely papillose, with short chalazal collar; coma white, detaching easily. Fl. Jul-Oct, fr. Sep-Nov. 2n = 36*.

Guizhou, Sichuan, Yunnan [India, Myanmar, Vietnam].

Moist semishaded disturbed places by streams, or in valleys in evergreen broad-leaved forests; (700-)1500-2200 m.

Epilobium brevifolium D. Don subsp. pannosum (Haussknecht) P. H. Raven; E. khasianum C. B. Clarke.