Whitlow grass

Height: 3–10 cm (1.2–4 in.), up to 15 cm (6 in.) in fruiting stage. Stem a leafless scape.

Flower: Corolla regular (actinomorphic), white, approx. 0.5 cm (0.2 in.) wide; petals 4, tip deeply pinnatifid, 2–4 mm (0.08–0.16 in.) long. Sepals 4, commonly reddish. Stamens 6, of which 4 long and 2 short. Gynoecium fused, a single carpel. Inflorescence a raceme, extending in fruiting stage.

Leaves: Basal rosette. Blade lanceolate–spatulate, with narrow base, with quite tapered tip, margins entire or rarely toothed, top stellate-haired.