Wittmackanthus stanleyanus (M.R.Schomb.) Kuntze
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Wittmackanthus stanleyanus (M.R.Schomb.) Kuntze [ Calycophyllum stanleyanum M.R.Schomb.] [Rubiaceae]
Ann. Missouri Bot. Gard., vol. 62 : p. 507, fig. 1 (1975) [Torence]