ARGUABLY the world’s weirdest plant, Welwitschia mirabilis is a tangled mass of shredded, fraying leaves in the Namib desert. For a thousand years, perhaps more, it grows just two long leaves, which ...
American Journal of Botany, Vol. 7, No. 9 (Nov., 1920), pp. 355-367 (13 pages) 1. Reconnaissance surveys of the higher plants reveal striking variations in the dimensions and volume of the cells of ...
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