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Rotala rotundifolia (Roxb.) Koehne
Family Lythraceae
Rotala rotundifolia (Roxb.) Koehne APNI*

Description: Perennial or annual herb with creeping stems, erect, floating or creeping.

Leaves opposite, decussate, ± circular, up to 12 mm long and wide, upper surface pale green, lower surface whitish green to reddish.

Flowers sessile, in terminal, many-flowered spikes. Hypanthium c. 1 mm long. Sepals 4, appendages absent. Petals 4, obovate, mauve to pink. Stamens 4, inserted near the base of hypanthium. Style to 0.5 mm long.

Capsule ellipsoid, 2–4 mm long, 4-valved.


Distribution and occurrence: Grows in damp areas or submerged in water, occasionally naturalized. Flowers spring. Native of S Asia.
NSW subdivisions: *NC, *CC
Other Australian states: *Qld
AVH map***

Text by J. Highet & Peter G. Wilson
Taxon concept: Flora of NSW 4 (1993)


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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