Flowers 5–6(7)-merous, in 3-flowered cymes, rarely solitary, arranged in subcorymbiform inflorescences or in leafy panicles up to 10 cm. long; pedicels 0·5–2 mm. long; bracts lanceolate, acute, scarious, whitish-pink to red, ciliolate, tardily caducous.
Sepals 5–7 x 2·5–3·5 mm., oblong-lanceolate, obtuse or acute, red, dorsally appressed-seiose, ciliolate at margin, caducous; intersepalar segments 2·5 mm. long, shortly triangular, bristle-tipped.
Stems upright, simple or few-branched, distinctly 4-gonous, green, sparsely setose with short bristles bulbous at the base; internodes up to 10 cm. long.
Receptacle c. 6–8 mm. long, subhemispherical or subcam-panulate, green to deep red, appressed-setose (bristles sparse to somewhat dense, short, whitish).
Longer stamens: anthers 6–7 mm. long, bright yellow; pedoconnective 2–2·5 mm. long with the basal appendage deeply bilobed, the lobes curved upwards.
Fructiferous receptacle 6–8 x 7–8 mm., subhemispherical. Capsule slightly shorter than the receptacle, spherical, setose at the apex.
Shorter stamens: very similar to the longer ones in colour and shape but a little smaller and with a pedoconnective c. 1 mm. long.
A perennial herb up to 45 cm. tall (usually shorter) with numerous stems forming a _t: dense clump arising from a woody rootstock.
Petals c. 2 cm. long, pale mauve to bright pink.