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 Dichotomy of seedlings

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Tam

Tam

Number of posts : 416
Location : Rothesay, Isle of Bute, Scotland
Registration date : 2008-11-12

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PostSubject: Dichotomy of seedlings   Dichotomy of seedlings Icon_minitimeSat Jan 02, 2010 10:29 am

A recent article in the UK Mammillaria Society journal was about dichotomy of at the seedling stage of growth had me looking at some plants in my own collection.

The plant below is M.longiflora WK 498, grown from seed from the AfM 2008 seedlist. Sown 5-4-08 and germinated 29-4-08. At first I thought it had become cristate but has can be made out it has divided dichotomously to produce 2 heads, which is very odd for a member of the Ancistracanthae.

vDichotomy of seedlings Longif10
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Tam

Tam

Number of posts : 416
Location : Rothesay, Isle of Bute, Scotland
Registration date : 2008-11-12

Dichotomy of seedlings Empty
PostSubject: Re: Dichotomy of seedlings   Dichotomy of seedlings Icon_minitimeSat Jan 02, 2010 10:49 am

Dichotomy of seedlings Fo_22913

A second plant of interest is this tlalocii FO 229. tlalocii differs from crucigera in that it does not divide dichotomusly, it is solitary stemmed. This plant did divide to produce, not 2 heads but 4. Quad-chotomy perhaps ?
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