Christine Mary Snow (Pilkington) (1902–1978) was an Oxford botanist who contributed to the study of geotropism and phyllotaxis. She is known for her co-development, with her husband Robin Snow, of the "Snow and Snow Rule": a new primordium (such as a leaf) appears in a plant as soon as and in the place where it has enough space to do so.
Christine Mary Snow (Pilkington) (1902–1978) was an Oxford botanist who contributed to the study of geotropism and phyllotaxis. She is known for her co-development, with her husband Robin Snow, of the "Snow and Snow Rule": a new primordium (such as a leaf) appears in a plant as soon as and in the place where it has enough space to do so.
Source: Wikipedia "Mary Snow" · CC BY-SA 4.0
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