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.

Epilobium pannosum là một loài thực vật có hoa trong họ Anh thảo chiều. Loài này được Hausskn. mô tả khoa học đầu tiên năm 1884.

硬毛柳叶菜（学名：Epilobium pannosum）为柳叶菜科柳叶菜属下的一个种。