Metaxya

Kessler, Michael & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXII. Metaxyaceae, Phytotaxa 344 (1), pp. 95-96 : 95

Key to the Bolivian species of Metaxya

1 Pinna apices caudate to attenuate, weakly serrate, the serrations restricted to the pinna apices; rhizome hairs 5–7 mm long, golden brown, often extending upwards along the petioles (but frequently abraded) ...................................................... M. contamanensis

– Pinna apices caudate to long-attenuate, strongly serrate, the serrations extending along the pinna tips at least ¼ of the pinna length; rhizome hairs 4–6 mm long, golden to dark brown, reaching only 1–2 cm at the petiole bases ....................................... M. parkeri