Synonyms
Ptychomeria tenella var. minor Benth.
Gymnosiphon mattogrossensis (Malme) Jonker
Gymnosiphon cornutus (Benth.) Benth. & Hook.f.
Benitzia poeppigiana H.Karst.
Ptychomeria cornuta Benth.
Gymnosiphon tuerckheimii Jonker
Ptychomeria mutica Benth.
Gymnosiphon muticus (Benth.) Urb.
Ptychomeria arcuata (Urb.) Brade
Ptychomeria mattogrossensis Malme
Ptychomeria divaricata Benth.
Gymnosiphon arcuatus Urb.
Ptychomeria poeppigiana (H.Karst.) Schltr.