Phlogacanthus quadrangularis (Hook.) Heine [ Justicia quadrangularis Hook.]
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Phlogacanthus quadrangularis (Hook.) Heine [ Justicia quadrangularis Hook.] [Acanthaceae]
W. Curtis, Bot. Mag., vol. 55 [ser. 2, vol. 2]: t. 2845 (1828) [W.J. Hooker]