| Home | > | List of families | > | Dryopteridaceae | > | Polystichum | > | transvaalense |
| Synonyms: | |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Rhizome erect; rhizome scales up to 12 mm long, margin irregularly lacerate, brown, linear, tapering to a point. Fronds tufted, erect to arching. Stipe up to 30 cm long, pale brown, with a longitudinal groove above, densely set in the lower half with 2 types of scales. Lamina narrowly ovate in outline, attenuate, 2-pinnate, with basal pair of pinnae not or only slightly reduced, up to 65 × 30 cm. Pinnules elliptic to obovate in outline, basal acroscopic lobe well developed; margins aristate with aristae ± 0.5 mm long, basal basiscopic aristae folded in over the upper surface of the lamina; upper surface subglabrous, lower surface sparsely set with hair-like scales. Rhachis and secondary rhachis with matted, brown hair-like scales. Sori round, in 2 rows halfway between the margin and the costules; indusia c. 1 mm in diameter, peltate, erose. |
| Notes: | |
| Derivation of specific name: | transvaalense: from the Transvaal, S Africa where the type specimen was collected. |
| Habitat: | Shaded forest floors, along streams or in seepage areas. |
| Altitude range: (metres) | 1100 - 1830 m |
| Flowering time: | |
| Worldwide distribution: | Southern subtropical and tropical Africa |
| Zimbabwe distribution: | E |
| Growth form: | |
| Endemic status: | |
| Red data list status: | |
| Insects (whose larvae eat this species): | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 314 - 315. (Includes a picture). Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011). Ferns of Southern Africa, A comprehensive guide Struik Nature Pages 460 - 461. (Includes a picture). Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 447 - 448. As Polystichum setiferum (Forssk.) Moore ex Woynar var. fuscopaleaceum (Alston) Schelpe (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 6. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 130. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 139. Schelpe, E.A.C.L.E. (1970). Pteridophyta FZ Page 226. As Polystichum setiferum (Forssk.) Moore ex Woynar var. fuscopaleaceum (Alston) Schelpe (Includes a picture). |
| Home | > | List of families | > | Dryopteridaceae | > | Polystichum | > | transvaalense |
