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Genus Dissocarpus Family Chenopodiaceae

Description: Erect, hairy annuals or short-lived perennials.

Leaves alternate or scattered, semiterete to flattened and obovate, hairy.

Flowers bisexual, axillary, 2–numerous, fused at least at the base or forming dense woody spherical heads, 5-partite.

Fruiting perianth hardened, with or without spiny or tuberculate appendages, fused at least basally to 1 or more other fruiting perianths, dispersing as a unit. Seed horizontal; perisperm abundant; embryo annular. Widespread in drier inland areas.


Photo © ANBG

Distribution and occurrence: World: 4 species, endemic Australia. Australia: all mainland States.

Text by S. W. L. Jacobs
Taxon concept:

 Key to the species 
1Flowers 2–8, united at baseDissocarpus biflorus
Flowers 6–numerous, in dense spinescent spherical heads2
2Perianth tube protruding above the surface of the dense, spherical, woody head; spines irregularly produced, often laterally flattenedDissocarpus fontinalis
Perianth tube not visible above the surface of the dense, spherical, woody head; spines regularly 5, opposite each perianth lobe
                       Back to 1
3
3Leaves linear, semiterete, to c. 3 mm wideDissocarpus paradoxus
Leaves flattened, obovate, 5–8 mm wide
                       Back to 2
Dissocarpus latifolius

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