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william baird toejamdoc at webtv.net
Sun Feb 15 12:21:20 EST 1998

In reponse to your question on bulbs vs. rhizomes, it depends on what
part of the world you find that particular Oxalis.  For example,
practicly all South African species grow from a bulb.  Though many of
these may have a contractile root and a rhizomatous attachment, the
genetic information that causes the plant to grow is exclusively from
the bulb.  Some S. American plants eg. Oxalis Regenelli, Articulata,
Crassipies etc grow from a "rhizomatous clump" in lieu of a bulb, but
there are many species from S. America and Mexico that do grow from
bulbs.  Then you have groups of Oxalis that grow from spreading roots
such as your common weeds (Corniculata) and Oxalis Oregana which grow in
the pacific N.W.

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