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Genus Hygrophila Family Acanthaceae

Synonyms: Nomaphila APNI*
Synnema APNI*

Description: Erect herbs, cystoliths present.

Leaves petiolate or sessile.

Inflorescences of 2–many flowers in axillary whorls resembling leafy spikes or racemes; bracteoles shorter than calyx. Calyx fused for over half its length. Corolla tube wider above, 2-lipped. Stamens 4. Ovary with 4–20 ovules per loculus.

Capsule fusiform, hooks prominent [or minute]; seeds 8-many with long mucilaginous hairs.


Distribution and occurrence: World: c. 20–30 species, tropical & subtropical regions. Australia: 3 species (1 species native, 1 species endemic, 1, species introduced), Qld, N.S.W., N.T., W.A.

Text by J. Everett and D.M. Crayn
Taxon concept:

Two species in NSW: Hygrophila angustifolia, H. costata.

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