| Home | > | List of families | > | Selaginellaceae | > | Selaginella | > | njam-njamensis |
| Synonyms: |
Bryodesma njamnjamense (Hieron.) Sojak |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Plant creeping, olive-green, densely tufted; main stem dorsiventral in position and length of leaves, up to 15 cm long; branches short, 1–2-forked, often recurved at apices when dry; rhizophores scattered along length of plant, up to 3.5 cm long. Median (upper) leaves linear-lanceolate, ± 2 × 0.25 mm, base adnate, apex gradually tapering into a short opaque yellowish-white seta up to 1/4 the length of the lamina, margins with tooth-like cilia towards apex and longer ones towards base; also often some denticles by the midrib on surface towards the apex. Lateral (under) leaves more linear, slightly longer, up to 2.5 mm long. Strobili 3–10 mm long, 1.2–1.3 mm wide; sporophylls in 4 ranks; those on the upper side lanceolate, ± 2 mm long, 1 mm wide, gradually tapering to a sharp point, with ciliate margins and those on the lower side slightly longer and broader. |
| Notes: | Differs from other species by having leaves that are arranged dorsiventrally, the older leaves are brown and persistent. |
| Derivation of specific name: | |
| Habitat: | Rocky places. |
| Altitude range: | 900 m (approx) |
| Worldwide distribution: | Angola, Benin, Botswana, Cameroon, Central African Republic, DRC, Malawi, Mali, Mozambique, Nigeria, Sudan, Tanzania, Uganda, Zambia |
| Mozambique distribution: | N,Z |
| Growth form(s): | Lithophyte, terrestrial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Bizzarri, M.P. (1985). Selaginellaceae Flore d' Afrique Centrale National Botanic Garden of Belgium Pages 10 - 13. (Includes a picture). Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 81. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 43. (Includes a picture). 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 15. Germishuizen, G. & Meyer, N.L. (eds) (2003). Plants of southern Africa: an annotated checklist. Strelitzia 14 Page 83. Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 33. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 25. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 26. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 23. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 16. Verdcourt, B. (2005). Selaginellaceae Flora of Tropical East Africa Page 7. (Includes a picture). |
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