RECORD: Darwin, C. R. & Francis Darwin. n.d. Are following flowers regular or irregular. CUL-DAR111.A55. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. 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-DAR111 contains notes on illegitimate progeny of dimorphic and trimorphic plants for Darwin's book Forms of flowers (1877).
See Forms of flowers, p. 312.
Are following flowers regular or irregular? Dyer.
Monochoria vaginalis (Pontederia) described by Kirk in Linn Journal Vol 8. (no' 31) 1864 p. 147
Acanthaceæ
* Eranthemum Lin — clearly irreg
* Deadalacanthus — slight irreg
Dipteracanthus ditto
Æchmanthera ditto
Ruellia tuberosa ditto} reg irreg
described by Scott as Cleistogene
Are following flowers regular or irregular
Very slightly irreg — (Monochoria) (Kirk)
No stamen longer irreg
"say regular or say nearly regular"
they do
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 February, 2026