Asplenium - Aspleniaceae

Asplenium elliottii C.H. Wright

 

 

 

 

Synonyms

Asplenium anisophyllum Kunze var. aequilateralis Hieron.
Asplenium anisophyllum Kunze var. pseudo-plumosa Hieron.
Asplenium aequilaterale (Hieron.) Viane
Asplenium anisophylloides Bonap.
Asplenium stenopterum Peter, as "stenopteron"

Common name

Description

Rhizome erect, very rarely shortly creeping, to 8 mm diameter; rhizome scales concolorous, ovate in outline, 4–10 x 2.5–4 mm. Stipe straw-colored, 11–30(–80) cm long, thin, glabrous or with sparse scales to 4 mm long with widened base and occasionally with very thin side-lobes. Fronds tufted, proliferous. Lamina dark green, lanceolate in outline, 24–60(–100+) x 10–22 cm, pinnate, the lowermost pinnae slightly smaller, decrescent towards the apex, proliferous near apex.. Pinnae in 14–30 pairs, opposite or alternate, rhomboid or narrowly lanceolate in outline, (3–)5–16(–22) x (1.3–)1.6–3.3 cm, base truncate and parallel to rhachis on the acroscopic side, oblique on the basiscopic side, minutely toothed, apex gradually tapering to a sharp point; veins forked once; glabrous or occasionally with sparse scattered scales; petiolule 1–4 mm long. Rhachis slightly winged in the distal part, with sparse scales to 3.5 mm long with widened base and occasionally with very thin side-lobes. Sori many, from near costa to halfway towards the margin, brown or red-brown, linear to elliptic in outline, 3–4.5(–8) mm long; indusium pale, entire, 0.5–1(–1.3) mm wide.

Notes

Derivation

elliotii: named after Charles Frederic Elliott (1847-1911), conservator of Forests in Kenya, who collected the type specimen in Kenya.

Habitat

Moist montane forest, bamboo zone.

Distribution worldwide

See African distribution.

Distribution in Africa

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

Growth form

Epiphytic, terrestrial.

Literature

  • Beentje, H.J. (2008) Aspleniaceae. Flora of Tropical East Africa, Pages 21 - 22. (Includes a picture).
  • 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 84.
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