Murdannia
5 species in Aust. (4 endemic, 1 naturalized); Qld, NSW, NT
Annual or perennial herbs with erect or prostrate stems. Leaves glabrous, sessile, distichous or spirally arranged. Inflorescence terminal and/or axillary. Flowers bisexual, regular to slightly irregular. Sepals and petals free. Fertile stamens 2 or 3, staminodes 3 or absent; filaments bearded. Ovary 3-locular. Fruit a capsule.