Elaphoglossum deckenii (Kuhn) C. Chr.

deckenii: this fern was first collected in Tanzania by Baron Carl von Decken (1833-1865), a German explorer.

Rhizome short creeping, up to 2.5 mm in diameter; rhizome scales 3-4 mm long, dark brown to black, shining, lanceolate, ciliate. Fronds clustered, erect or arching, firmly herbaceous, dimorphous. Sterile frond: stipe up to 20 cm long, straw-coloured, grooved, densely set with lanceolate, pale brown, ciliate scales; lamina up to 12-40 × 2.5-5 mm, narrowly elliptic to lanceolate in outline, apex tapering to a point, base wedge-shaped, margin entire, thinly set with ovate, pale brown, ciliate scales on both surfaces. Fertile frond: stipe c. 16 cm long, covered with scales similar to the sterile frond; lamina up to 10-21 × 1-2 cm, linear-lanceolate in outline with the two sides conspicuously reflexed backwards, set with ciliate scales similar to those on the sterile frond on the upper surface and along the midrib below; sori covering the whole undersurface of the lamina.

Rare

DRC, Ethiopia, Kenya, Madagascar, Malawi, Rwanda, Tanzania, Uganda, Zimbabwe, Comoro islands and Réunion.

Elaphoglossum deckenii là một loài thực vật có mạch trong họ Lomariopsidaceae. Loài này được (Kuhn) C. Chr. mô tả khoa học đầu tiên năm 1905.