Widdringtonia cedarbergensis J.A. Marsh 1966Common NamesClan William cedar or Cape cedar (2).Taxonomic notesSyn: W. juniperoides (1).DescriptionA tree 6 to 18 m tall with wide-spreading branches (2).RangeS Africa (1), in the Cedarberg Mountains (2).Big TreeOldestDendrochronologyEthnobotanyHas a fragrant, durable, yellowish or brownish wood of local importance (2).ObservationsRemarksCitations(1) Silba 1986, (2) "cypress pine," Britannica Online..I have yet to prepare a proper description of any of the Widdringtonias, but am indebted to Dave Richardson, Pinus wizard of the University of Cape Town, for the following bibliography: Botha, S.A. (1990). Seed-bank dynamics in the Clanwilliam cedar (Widdringtonia cedarbergensis) and the implications of beetle-triggered seed release for the survival of the species. South African Journal of Ecology 1: 53-59 Le Maitre, D.C., Jones, C.A. & Forsyth, G.G. (1992). Survival of eight woody sprouting species following an autumn fire in Swartboskloof, Cape Province, South Africa. South African Journal of Botany 58: 405-413 Manders P.T. & Botha S.A. (1987). Experimental Re-establishment of the Clanwilliam Cedar Widdringtonia cedarbergenis: A Preliminary Study. South African Journal of Wildlife Research 17(3): 8 Manders P.T. & Botha S.A. (1989). A Note on Establishment of Widdringtonia cedarbergensis (Clanwilliam Cedar). Journal of Applied Ecology 26: 571-5 Manders P.T. (1986). An Assessment of the Current Status of the Clanwilliam Cedar (Widdringtonia cedarbergenis) and the Reasons for its Decline. South African Forestry Journal 139: 48- Manders P.T. (1986). The Effects of Shading on Nursery Grown Seedlings of the Clanwilliam Cedar. South African Forestry Journal 138: 15- Manders P.T. (1987). Is there allelopathic self-inhibition of generative regeneration within Widdringtonia cedarbergensis stands?. South African Journal of Botany 53 (5): 408-4 Manders P.T., Botha S.A., Bond W.J. et al. (1990). The enigmatic Clanwilliam Cedar. Veld & Flora March 1990: 8-11. Manders, P.T. & Botha, S.A. (1987). Experimental re-establishment of the Clanwilliam cedar Widdringtonia cedarbergensis: A preliminary study. South African Journal of Wildlife Research 17: 86- Manders, P.T. (1987). A transition matrix model of the population dynamics of the Clanwilliam Cedar (Widdringtonia cedarbergensis) in natural stands subject to fire. Forest Ecology and Management 171-186. Manders, P.T. (1987). Is there allelopathic self-inhibition of generative regeneration within Widdringtonia cedarbergensis stands?. South African Journal of Botany 53:408-4 Meadows M.E. & Sugden J.M. (1989). Late Quaternary vegetation history of the Cederberg, South-western Cape. Palaeoecology of Africa and the Surrounding Islands 21: 269-2 Meadows, M.E. & Sugden, J.M. (1991). A vegetation history of the last 14 000 years on the Cederberg, south-western Cape Province. South African Journal of Science 87: 34- Midgley, J.J., Bond, W.J. & Geldenhuys, C.J. (1995). The Ecology of Southern African Conifers. In: Ecology of the Southern Conifers (eds N.J. Enright & R.S. Hill), pp. 64- Mustart P. (1993). What is the Cedarberg Without the Cedar?. Veld & Flora 79(4): 114-117 Pauw, C.A & Linder, H.P. (1997). Tropical African cedars (Widdringtonia, Cupressaceae): systematics, ecology and consevation status. Botanical Journal of the Linnean Society 123: 297-3??. Sugden J.M. & Meadows M.E. (1990). The history of the Clanwilliam Cedar (Widdringtonia cedarbergenis): Evidence from Pollen Analysis. South African Forestry Journal 1 Sugden J.M. & Meadows M.E. (1990). The history of the Clanwilliam Cedar (Widdringtonia cederbergenis): Evidence from pollen analysis. South African Forestry Journal 153: 64- Van Wilgen, B.W. (1980). Assessment of the effects of burning on populations of the Clanwilliam Cedar using aerial photography. South African Forestry Journal 114:72- Wingfield M.J., Von Broembsen S.L. & Manders P.T. (1988). A preliminary assessment of the threat of diseases and pests to Widdringtonia cedarbergenis. South African Forestry Journal 147: 3 | |
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