This name is a synonym of Haploclathra paniculata var. verticillata (Ducke) Lleras.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50160111) with original publication details: Trop. Woods 51: 17 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:117362-2.
This name was in version 1 of The Plant List, record tro-50160111, and has not been changed.