Has not studied Geum, but suppression of one sex is not rare in plants.
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The Charles Darwin Collection
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.
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.