Gynodioecism in Ranunculus acris.
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The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Gynodioecism in Ranunculus acris.
Gynodioecism.
Has found a few examples of Ranunculus repens with stamens reduced as in R. acris.
Has found examples of small female flowers in Stachys germanica and Ranunculus bulbosus.
Has not studied Geum, but suppression of one sex is not rare in plants.
Will use TW’s case of gynodioecious Ranunculus if he prints a new edition of Forms of flowers.
Asks TW not to send more information as CD does not expect a new edition of Forms of flowers.
TW’s Stachys case is what he calls gynodioeciousness.