Re: CULT: rhizome shape
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I've always found that the "elephant trunk" nose arises when a new rhizome
grows from a deeply planted or inadvertantly buried one. The new increase
grows rapidly to the surface as a thin stem, then expands out when it gets
near the top. So maybe this is not the same phenomenon Walter is referring
to, because to have this trunk-like part on the older section of the
rhizome "reaching for water" would mean it was growing in reverse.
My experience has been that the elongate, knobbly rhizomes are produced in
any soil when a rhizome grows for several years without blooming or
increasing.
With all the rain we have had over the past 3 weeks (more than 7 inches
measured by my rain gauge--an old plastic bucket out by the compost heap)
the main shape of many of my TB rhizomes is "mushy." But Louisianas are
growing to yam size with huge fans of foliage. Might just convert my two
TB beds over to LAs!
Bill Shear
Department of Biology
Hampden-Sydney College
Hampden-Sydney VA 23943
(804)223-6172
FAX (804)223-6374
email<wshear@email.hsc.edu>
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