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Herbarium specimen. Copyright DERM
Cyathula prostrata (L.) Blume
Blume, C.L. von (1827) Bijdragen tot de Flora van Nederlandsch Indie 14: 549. Type: ?.
Achyranthes prostrata L., Species Plantarum Edn. 2, 1: 296(1762), Type: Habitat in India.
Petioles 5-15 mm long. Leaf blades 30-70 x 13-35 mm, underside clothed in small hairs which are visible with a lens. Young leaves covered in dense long hairs.
Flowers subtended by and enclosed in two bracts. Groups of hooked hairs attached between the basal bracts and the tepals. Tepals about 2 x 1 mm, margins fringed with long hairs. Stamens 5, attached to a cup-shaped disk surrounding the ovary. Anthers wider than long. Ovary about 1 mm diam. Ovule basal, attached by a long stalk. Stigma terminal, capitate.
Fruits 3-3.5 mm diam. (including the persistent tepals and hooks), falling with the persistent tepals and surrounded by tree-like structures complete with hooks. Seeds smooth, about 2 mm diam. Embryo curved, about 2.5 mm long.
Distribution and Ecology
Distributed in Northeastern Queensland, Cape York Peninsula and the northern part of the Northern Territory. Occurs in the understory of deciduous to evergreen vine thickets, vine forest, closed forest and Monsoonal thicket, growing mostly on loamy and sandy soils.
Herb (herbaceous or woody, under 1 m tall)