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Secondary growth and wood histology of Welwitschia |
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| Authors: | SHERWIN CARLQUIST F L S DAVID A GO WANS |
| Institution: | Santa Barbara Botanic Garden, 1212 Mission Canyon Road, Santa Barbara CA 93105, U.S.A. |
| Abstract: | |
| Keywords: | cambial variantsy Ephedra Gnetum successive cambia wood histology |