Line drawings of Sabulina basaltica and Sabulina sororia. A–E. Sabulina basaltica. A Habit B Dried leaf with 3 veins C Cymose, bracteate inflorescence with two flowers D Capsule with dried, 3-veined sepals (with sepals pushed outwards and withered petals removed to reveal capsule) E Seed F–I Sabulina sororia F Habit G Dried leaf with 1 vein H Flower I Capsule with dried, 3-veined sepals (withered petals removed).