I. Ramírez & Carnevali, spec. nov. (Figs. 2, 3). Phytotaxa 178(2): 116-118. 2014
This new species is characterized by an unique combination of characters: leaves numerous, (20–)30–40 in number, proportionally long, narrow, flexible, margins densely spinose, abaxial epidermis glossy and wrinkled, shedding when dry, staminate inflorescence a 1–2 times divided panicle, with a long peduncle, branches at first secund, then horizontal, branches densely flowered, cylindrical, rachis green, sulcate, sterile bases of branches bracteate, petals white. Read more.