Bonnaya antipoda

Bonnaya antipoda is a herbaceous perennial plant belonging to Linderniaceae family. It is native to tropical and sub-tropical Asia and Australia.

Description
It is a prostrate or diffuse herb usually rooting at nodes. Sub-sessile, hairless leaves are elliptic or obovoid. Solitary pale blue flowers have a yellow mouth. August to October is the flowering and fruiting season. In Australia this species is confined to northeastern Queensland. Flowering there occurs through much of the year, with a peak of activity around April and May (statistics from iNaturalist based on 18 observations in Australia as at 17 April 2024).

Synonyms
, Plants of the World Online recognises 42 synonyms of this species, as follows: • Ruellia antipoda L.

• Ilysanthes antipoda (L.) Merr.

• Lindernia antipoda (L.) Alston

• Vandellia antipoda (L.) T.Yamaz.

• Ruellia serrata Thunb.

• Cyrtandra capsularis Blanco

• Cyrtandra glaberrima Blanco

• Cyrtandra serrata Blanco

• Didymocarpus blancoi Hassk.

• Didymocarpus grandiflorus A.Dietr. ex Steud.

• Henckelia grandiflora (Retz.) A.Dietr.

• Roettlera capsularis Kuntze

• Bonnaya bracteata Griff.

• Bonnaya cyanea Griff.

• Bonnaya grandiflora (Retz.) Spreng.

• Bonnaya penicillata Nees

• Bonnaya pulegiifolia (Vahl) Spreng.

• Bonnaya rothii A.Dietr.

• Bonnaya roxburghiana A.Dietr.

• Bonnaya verbenifolia (Colsm.) Spreng.

• Bonnaya veronicifolia var. angustifolia C.T.White & W.D.Francis

• Bonnaya veronicifolia var. grandiflora (Retz.) Hook.f.

• Bonnaya veronicifolia var. verbenifolia (Colsm.) Hook.f.

• Ilysanthes serrata (Thunb.) Makino

• Ilysanthes verbenifolia (Colsm.) Kerr ex Barnett

• Ilysanthes veronicifolia var. verbenifolia Makino

• Lindernia anagallis var. grandiflora (Retz.) Mukerjee

• Lindernia antipoda subsp. verbenifolia (Colsm.) Bennet

• Lindernia pachypoda (Franch. &amp; Sav.) Matsum.

• Lindernia verbenifolia (Colsm.) Pennell

• Pyxidaria pachypoda (Franch. &amp; Sav.) Kuntze

• Tittmannia colemannii Benth.

• Torenia gracilis Benth.

• Vandellia anagallis var. verbenifolia (Colsm.) T.Yamaz.

• Vandellia pachypoda Franch. &amp; Sav.

• Vandellia serrata (Thunb.) Nakai

• Vandellia verbenifolia (Colsm.) Haines

• Gratiola grandiflora Retz.

• Gratiola pulegiifolia Vahl

• Gratiola racemosa Roth

• Gratiola roxburghiana Schult.

• Gratiola verbenifolia Colsm.