- ≡ Lychnis flos-cuculi L., Sp. Pl. 436 (1753) – as Flos cuculi
- ≡ Silene flos-cuculi (L.) Greuter & Burdet in Greuter & Raus, Willdenowia 12 (1982) nom. illeg., nom. superfl.
Flowering stems erect, 30–80 cm tall, with short appressed-reflexed hairs. Basal and lower stem lvs tufted, narrowly oblanceolate, acute, (40)–80–150 × (3)–5–15 mm, gradually tapered to long petiole; upper lvs linear-lanceolate, acute, sessile, connate in pairs, becoming smaller. Infl. a (3)–7–15-flowered dichasium; pedicels (5)–10–25 mm long; bracts narrowly lanceolate, 3–10 mm long. Calyx bell-shaped, 7–10 mm long, 10-veined; teeth triangular, ciliate, acute. Petals pink; claw c. = calyx; limb spreading, deeply 4-lobed or rarely deeply emarginate, 1–1.5 cm long. Capsule ovoid; carpophore very short or 0. Seeds brown, reniform, sharply warty, c. 0.8 mm long.
[From: Webb et al. (1985) Flora of New Zealand. Volume 4 as Lychnis flos-cuculi L.]