A third species of Polyspatha, an endemic African genus of Commelinaceae

A third species of Polyspatha, an endemic African genus of Commelinaceae

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Polyspatha oligospatha Faden, the third species in a small African endemic genus of Commelinaceae, is described.  It is widespread but has been overlooked because of its small stature and resemblance to small plants of P.paniculata.

  It differs from both P.paniculata here and P.hirsuta, the two other species, by its leaf pubescence, fewer, more widely jilungin dreaming tea spaced and usually patent spathes, deeply ridged seeds with numerous knobby, transversely interrupted ridges, and morning anthesis.

  It occurs throughout the Congolian forests from Cameroon to Uganda, but it is also disjunct in Ivory Coast, across the Dahomey gap.