Elaphoglossum amazonicum Atehortúa ex Mickel, Fieldiana, Bot.

Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, Phytotaxa 353 (1), pp. 448-450 : 448-450

Elaphoglossum amazonicum Atehortúa ex Mickel, Fieldiana, Bot. , n.s., 27: 122. 1991. ( Fig. 19F–J )

Range: — Peru, Bolivia (BE, CO, LP, SC), and western Brazil.

Ecology: —Common; epiphytic and terrestrial in humid forests; 490–1200 m.

Notes: —Often confused with E. raywaense , from which it differs by the characters given in the key. Additionally, E. raywaense is never terrestrial and its mature leaves are usually smaller than those of E. amazonicum (15–65 × 2.5–6 vs. 45–96 × 5–10 cm). The distinctness of this taxon was first recognized by Underwood, who annotated a gathering from Bolivia (Williams 1027, GH, NY) as E. williamsii Underw. , but never published that name.

Figures

FIGURE 19. A–E. Elaphoglossum raywaense (Daly 8948, NY, Brazil). A. Habit. B. Rhizome scale. C. Sterile blade, abaxial surface. D. Simple hairs and branched scales. E. Sterile blade, adaxial surface. F–J. Elaphoglossum amazonicum (Hatschbach 36206, MBM, Brazil). F. Habit. G. Rhizome scale. H. Sterile lamina, abaxial surface. J. Simple hairs and branched scales.—Scale bars for habit = 5 cm, all other scale bars = 1 mm.