Epilobium gunnianum

Erect perennial herb 7.5–80 cm high, with numerous leafy stolons from base; stems with a dense covering of curved hairs and with raised lines decurrent from leaf-bases. Leaves opposite on lower stems, alternate near inflorescences, often crowded, ovate to narrowly elliptic or elliptic, 1–6 cm long, 2–20 mm wide, margins with dense shallow teeth, often undulate, base tapering or more or less cordate; petiole 1–3 mm long. Flowers with a conspicuous ring of long hairs inside the hypanthium; sepals lanceolate, 4–7 mm long; petals usually purplish-pink, sometimes pale pink or white, 5.5–17 mm long. Capsule 3.5–7.5 cm long, with a close pubescence of glandular and non-glandular hairs; pedicel 0.3–1.5 cm long; seeds 1–1.4 mm long, smooth to papillose, comose, pale cellular rim present on adaxial side. Flowers mainly Nov.–Apr.