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[Aroid-l] What's a Cataphyll?
From: jonathan.ertelt at vanderbilt.edu (Jonathan Ertelt) on 2007.11.26 at 21:34:55(16741)|
D. Swartz. Collegiate Dictionary of Botany. 1971. cataphyll - a
scale-like leaf as found in buds, cotyledons, rhyzomes, etc.; any
rudimentary scale-like leaf which precedes the foliage leaf; the
German Niederblatter, an underleaf; a leaf present at the beginning
Hope this helps.
>Readers may remember a note from Bernhard in a recent posting as follows:|
>@ English native speakers/botanists: Is cataphyll the right term in
>English for "Huellblatt"? Or does the term only describe covering
>leafs over an "underground" bud?
>I have had a couple of exchanges with him and have noticed that no
>one on the list has bellyed-up ("belly-up" is an Americanism that
>means to step up and take responsibility for a thing) to answer his
>inquiry. Perhaps it's because finding out what the heck a cataphyll
>is in English is not exactly trivial.
>The only firm reference I found was from our own Deni Bown's famous
>book (page 41 in my edition), where she is at pains to differentiate
>between extensions of the basic leaf ("sheaths" in her example) and
>complete modified leaves (cataphylls) that shield or protect
>internodes. Or some such.
>I have reviewed a number of botany books in my possession and none
>of them have "cataphyll" 'in the index, even those that helpfully
>provide glossaries of technical botanical terms.
>I even checked the definitive dictionary of the English language,
>the Oxford English Dictionary (OED). "Cataphyll" is not an entry in
>the Second Edition (copyright 2000). But it has an entry for
>"Cataphyllary", being an adjective for a noun not listed. The
>definition is: "the colorless or brownish scales found on various
>parts of plants, esp. underground, regarded as modifications of
>foliage leaves". The first reference listed is from 1875. The
>definition there is "Scale or 'Cataphyllary -Leaves' are usually
>produced on underground shoots . . although they also frequently
>occur above ground, especially as an envelope to the winter-buds of
>woody plants (as in the horse-chestnut, oak, etc.)".
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