Two new combinations,
Rhynchospora imeriensis (Kükenthal) W. Thomas and
R. planifolia (T. Koyama) W. Thomas, and a new name,
R. capillifolia W. Thomas, are provided for capitate species of
Rhynchospora occurring in Venezuela. A new section of capitate species with white spikelets, sect.
Rigidifolia W. Thomas, is described, and its six included species are listed, discussed, and keyed. Lectotypes are designated for
R. duckei R. Gross and
R. longibracteata Boeckeler. Two species are illustrated.
Key words
Rhynchospora
- Cyperaceae - Venezuela - taxonomy