Taxonomie : D'après Lachenaud
et al. (Phytotaxa, 531(3):
166-167. 21/01/2022): "This
species is very close to
Rudgea glomerulata, described above, from which
it differs by the shorter and relatively much broader bracts, not
exceeding the calyces, and a shorter corolla tube; both species are
apparently endemic to French Guiana, but have different ranges and
habitats (Table 2). They share dense and more or less pendulous
inflorescences with deeply laciniate bracts, narrowly elliptic leaves
with a sparsely hairy lower surface, a well-developed calyx tube, and a
bipartite disk, while all other
Rudgea species in the Guianas (and, as
far as we know, elsewhere) have an entire disk.
The only collection
seen includes both long- and short-styled flowers (the latter with the
corollas fallen off and only the style remaining) that are on separate
branches, which were presumably collected from different individuals."
Type : Guyane française, sommet Tabulaire [Mount Itoupé], zone sud, 22/08/1980, fleurs, J.-J. de Granville 3550 (HT:
CAY077712; IT:
CAY077713).