Habit and leaf form. Herbs. ‘Carnivorous’. Trapping mechanism passive. The traps consisting of the sticky-glandular, non-irritable (flypaper-like) leaves. Annual, or perennial. Leaves alternate; spiral; non-sheathing; simple; epulvinate. Leaf blades entire; linear. Leaves without stipules. Vernation circinnate; circinnate. Leaf anatomy. Hairs present; glandular hairs present. Stem anatomy. Secondary thickening absent.
Reproductive type, pollination. Fertile flowers hermaphrodite. Unisexual flowers absent. Plants hermaphrodite.
Inflorescence and flower features. Flowers solitary; axillary; pedicellate; ebracteate; ebracteolate; regular; 5 merous; cyclic. Free hypanthium absent. Perianth with distinct calyx and corolla; 10; 2 -whorled; isomerous. Calyx 5; 1 -whorled; gamosepalous (basally); imbricate; regular; persistent. Corolla 5; 1 -whorled; gamopetalous (the petals cuneate, shortly connate basally); imbricate, or contorted; regular; pink, or purple, or blue. Corolla members apically fringed, or entire (then apically dentate or serrate). Androecium 5. Androecial members free of the perianth, or adnate; all equal, or markedly unequal (sometimes declinate); free of one another; 1 -whorled. Androecium exclusively of fertile stamens. Stamens 5; isomerous with the perianth; oppositisepalous; all alternating with the corolla members; erect in bud, or inflexed in bud. Anthers connivent; basifixed; non-versatile; dehiscing via short slits (the openings confluent over the anther tip); tetrasporangiate. Gynoecium 2 carpelled. The pistil 2 celled. Gynoecium syncarpous; eu-syncarpous; superior. Ovary plurilocular; 2 locular. Styles 1. Stigmas 1; capitate (or oblong). Placentation axile. Ovules 10–50 per locule (numerous); anatropous.
Fruit and seed features. Fruit non-fleshy; dehiscent; a capsule (2-valved). Capsules loculicidal. Fruit 2 locular. Dispersal unit the seed. Fruit numerous-seeded. Seeds endospermic. Cotyledons 2. Embryo straight.
Geography, cytology, number of species. Native of Australia. Not endemic to Australia. Australian states and territories: Western Australia, Northern Territory, and Queensland. Northern Botanical Province, Eremaean Botanical Province, and South-West Botanical Province.
FloraBase is produced by the staff of the Western Australian Herbarium, Biodiversity and Conservation Science, Department of Biodiversity, Conservation and Attractions. Publication or other use of content on this site is unauthorised unless that use conforms with the copyright statement.
Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/