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If you repost as Taraxacum officinale agg - that is far as most mortals get - there are 100s of "microspecies" that can (?) be identified. Dandelions breed in a peculiar way (apomixis) they produce seed without sex!
Thanks for comment and info. Mark. Wondering if you know a link for apomixis in dandelions. It's the first time I've come across the word and, as I find there are references to fertilisation in relation to dandelions, would like to understand quite what it means.
Blog - Loose and Leafy - http://looseandleafy.blogspot.com/
One ref is in "Plant Breeding sysytems" by A J Richards (Allen + Unwin 1986) - It's a little complicated - I'll look for any other refs - there might be something in the BSBI handbook on Dandelions but I cant find it at the momemnt
... is the production of seed genetically identical to the parent. It contrasts on the one hand with sexual reproduction, and on the other with vegetative reproduction (e.g. bulbils, stolons).
Some plants do some really odd things, such as androgenesis in a couple of species of cypress and somatic embryogenesis in Kalanchoe daigremontiana.
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