Epilobium billardiereanum

Erect perennial herb 0.2-1 m high, with numerous leafy stolons from base; stems exfoliating and often woody near base, covered with fine appressed hairs often mixed with glandular and non-glandular hairs in flowering regions. Leaves opposite on lower stems, alternate near inflorescences, linear to ovate, 0.5–4 cm long, 0.2–1.8 cm wide, variously toothed, almost glabrous to pubescent; petiole 0–2 mm long. Inflorescences erect. Flowers usually with a ring of long hairs inside the hypanthium; sepals linear-lanceolate, 3–7 mm long; petals white or purplish-pink, 3–13 mm long. Capsule 3–7.5 cm long, closely pubescent, often also with a mixture of glandular or erect hairs; pedicel to 2 cm long; seeds 0.7–1.1 mm long, papillose, comose.