Mitrasacme
48 species in Aust. (41 endemic); all states and territories
Erect or prostrate herbs, usually small. Leaves opposite, without stipules or a raised line. Flowers solitary in the upper axils or in loose irregular terminal umbels. Calyx campanulate, 4-lobed. Corolla white, often yellowish in the throat, rarely all yellow; tube short and broad or elongated and cylindrical; lobes 4, spreading, valvate. Stamens 4. Style simple but splitting later from the base into 2. Fruit a small capsule.