RECORD: Darwin, C. R. & Francis Darwin. 1878.10.26-11.18. Oxalis valdiviana / Draft of Forms of flowers. CUL-DAR209.6.155. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. 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 volume CUL-DAR209.6 contains materials for Darwin's book Movement in plants (1880).
The text of the draft corresponds to Forms of flowers, p. 114.
[155]
Oxalis Valdiviana
To see whether Cotyledons grow
(Oldish seedlings with a true leaf formed)
(used)
[data not transcribed]
[155v]
[top of page excised]
are mature) that the flowers must be cross-fertilised by many insects which visit them. Other species bear bear much less conspicuous flowers which secrete little or no honey, nectar, & are consequently are rarely visited by insects; these are adapted by for self-fertilisation, though still capable of cross-fertilisation. According to Delpino, the Polygonaceæ are generally fertilised by the wind, instead of by insects as in the present genus.)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 20 January, 2023