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| Synonyms: |
Asplenium hylophilum Hieron. Asplenium nemorale Baker Athyrium arborescens (Bory) Sw. var. nemorale (Baker) C.Chr. Diplazium hylophilum (Hieron.) C.Chr. Diplazium stolzii Brause |
| Common names: | |
| Frequency: | Rare |
| Status: | Native |
| Description: |
Rhizome erect, with a short caudex up to 20 × 6 cm. Fronds large, tufted, arching, firmly herbaceous. Stipe up to 1m long, smooth except for a few scattered, linear, dark brown scales near the base. Lamina bipinnatifid to bipinnate in upper part, tripinnatifid below, up to 1.5m × 0.9m, ovate to roughly elliptic in outline. Pinnules 16-20 pairs, narrowly oblong-acuminate, apex obliquely serrate, base shortly petiolate, truncate, cut 1/4-2/3 to the costa into rectangular, falcate lobes with rounded to bluntly acute apices, margins entire to widely and shallowly crenate, glabrous on both surfaces, veins in 5-8 pairs per lobe, pinnate, bifurcate. Rhachis brown, subglabrous with few scattered, twisted, brown scales, particularly about the pinnule petioles. Sori linear, 2-4 mm long, 6-8 per lobe, basal acroscopic sori frequently arranged back to back; indusium brown, entire, membranous. |
| Notes: | Could be confused with D. zanzibaricum which differs in having smaller and more sori per lobe and a stipe base that is densely set with hair-like scales. |
| Derivation of specific name: | nemorale: belonging to a grove or woodland |
| Habitat: | Deeply shaded streambanks in montane, evrgreen, wet forests. |
| Altitude range: (metres) | 1000 - 1770 m |
| Worldwide distribution: | Bioko, Kenya, Liberia, Madagascar, Malawi, Mozambique, São Tomé, Tanzania, Zimbabwe. |
| Zimbabwe distribution: | E |
| Growth form(s): | Terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 78. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 96. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 21. Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 16. Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 25. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 408 - 410. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 11. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 138. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Pages 217 - 218. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 205. (Includes a picture). |
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