Named for H.G. Bloomer (1821–1874), Californian botanist.
Perennial, cormous, tunicate herb. Leaves linear, keeled, sheathing. Flowers open bell-shaped. Inflorescence a several-flowered umbel, terminal. Tepals 3+3, free. Stamens 6, free but each with a basal cup. Ovary ovoid, not stalked. Fruit a capsule. Seeds numerous, black.
Sometimes cultivated as a spring-flowering bulb on well-drained soil.
2 species from California and Mexico.
Cormous plant with flowers in an umbel, anthers free but with a basal cup.
Source: (2005). Themidaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.