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Darwin Correspondence Project

MS-DAR-00209-00015-000-00089c.jpg

Leaves of Phyllanthus (leaf flower) and Cassia species showing variable movements, including twisting 180 degrees on axis, under different amounts of light.
https://cudl.lib.cam.ac.uk/view/MS-DAR-00209-00015/91
Leaves of Phyllanthus (leaf flower) and Cassia species showing variable movements, including twisting 180 degrees on axis, under different amounts of light.
DAR 209.15: 44br