Pachystachys spicata (Ruiz & Pavon) Wassh. [ Justicia spicata Ruiz & Pavon]
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Pachystachys spicata (Ruiz & Pavon) Wassh. [ Justicia spicata Ruiz & Pavon] [Acanthaceae]
H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 26 [9] (1777) [F. Pulgar]