Re: Cataphill

Hello David,

Taken from Flora of Thailand

cataphyll – a modified leaf which lacks a blade and in appearance corresponds to a petiole
sheath; may be used to describe other leaf types whose technical names are defined by position
rather than form, e.g., prophylls are usually of cataphyll shape in Araceae, compare, prophyll.


prophyll – the first leaf of a branch (or sympodial unit); in Araceae almost always a 2-keeled
cataphyll, often confused with cataphyll; cataphyll refers to a particular type of morphology
(reduced leaf), prophyll refers to the position of the leaf along a branch.

On 20 October 2016 at 23:14, DAVID LEEDY <d*@sbcglobal.net> wrote:
I am seeking a written description of the term cataphyll, including the function it performs.  Is it found only at the base of peduncles or also at the base of petioles?  Examples including images of each.  Is it only found in the Aroid plant family or elsewhere?

Thanks for your help.

David Leedy

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