RECORD: Darwin, C. R. n.d. Ipomoea nil. CUL-DAR209.7.64. Edited by John van Wyhe (Darwin Online,

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR209.7-8 contain notes on heliotropism (phototropism) for Darwin's book Movement in plants (1880).



Pharbitis nil is wide spread tropical plant, regarded by DeCandolle as originally from New World

I must say "supposing came from S. America

(on rising in evening)

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (

File last updated 25 September, 2022