Asplenium - Aspleniaceae

Asplenium mildbraedii Hieron.

 

 

 

 

Synonyms

Common name

Description

Rhizome short-creeping; rhizome scales dark brown, ovate to narrowly triangular in outline , apex gradually tapering to a point, ending in hair-tip, 1–4 x 0.5 mm, from cordate or peltate base, with paler margin. Fronds spaced, 50–80 cm long, 3-pinnatisect. Stipe black, 25–33 cm long, to 2 mm thick, hairless or nearly so. Lamina oblong in outline, 25–40 x 9–12 cm, apex decrescent. Pinnae 15–20, 2-pinnatisect, deltoid-ovate or deltoid-oblong in outline, to 7.5 x 3.5–4 cm; pinnules trapezoid-rhombic, to 2 x 1–1.3 cm, base cuneate, the ultimate segments spatulate with (sub-)truncate and denticulate apex; scaly when young with scales similar to those of rhizome. Rhachis with ovate (Kivu) or thread-like and lobed (Ninagongo, Usambara) scales. Sori lateral on veins, 2–5 mm long, not reaching margin; indusium entire, to 0.4 mm wide.

Notes

Derivation

mildbraedii: named after G.W.J. Mildbraed (1879-1954), German explorer, botanist specialized in mosses and ferns. He was the plant collector on four German expeditions to Central Africa and keeper at the Berlin Botanical Museum in 1913.

Habitat

Montane or bamboo forest, alpine zone; fairly widespread with wide habitat and altitude range.

Distribution worldwide

See African distribution.

Distribution in Africa

Burundi, Dem. Republic of Congo, Rwanda, Tanzania , Uganda.

Growth form

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Literature

  • Beentje, H.J. (2008) Aspleniaceae. Flora of Tropical East Africa, Page 52.
  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 91.
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