Rotala tripartita Beesley APNI* 
Description: Annual or short-lived perennial herb to 40 cm high; stems branched, often shortly creeping at base, erect above.
Leaves opposite, sessile, ovate to lanceolate, up to 20 mm long and 5 mm wide, lower surface paler than upper surface, glabrous.
Flowers sessile, solitary in axils of bracts., scattered along stems. Hypanthium c. 1 mm long. Sepals 3 or rarely 4, appendages longer than sepals. Petals 3 or rarely 4, elliptic, ± colourless. Stamens 3 or rarely 4, inserted near base of hypanthium. Style c. 0.5 mm long.
Capsule globose, c. 1.5 mm long, 3-valved.
Distribution and occurrence: Grows in free-standing water, with sedges. Rare in N.S.W., recorded only from the Grafton area and near Casino.
NSW subdivisions: NC
Other Australian states: Qld N.T.
Threatened species: NSW BCA: Endangered
Text by J. Highet & Peter G. Wilson
Taxon concept:
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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