Managing oxalis obtusa seed pods? (Rick Buell)

Nhu Nguyen xerantheum@gmail.com
Tue, 10 Feb 2015 07:31:58 PST
Very interesting post, Christiaan. I'm glad this side of you won because
it's these kinds of informative posts that make this forum valuable.

Oxalis hirta grows very well for me, even though I do not give it the best
care like other species. It even escapes the Oxalis rust plague that I have
been battling (and winning this year with a drier winter). I have noticed
some seedlings spread around, so I think it does make seeds, but probably
not many.

Some bulbous American Oxalis species do make seeds. For instance, the
Californian native O. oregona makes huge capsules and gigantic seeds (see
photos on the wiki). The Mexican magnifica/lasiandra/nelsonii species
complex can cross with each other. I've noticed seedlings of these around
my collection too. Invariably, when you have the weedy O. stricta group and
a collection of other American Oxalis, you will find that they also cross.
I've been very much tempted to save some of the more interesting looking
ones, but didn't because who knows what kind of super weed I could be
selecting for.

Nhu

On Mon, Feb 9, 2015 at 3:13 PM, Christiaan van Schalkwyk <
christiaans.garden@gmail.com> wrote:

> I've been real quiet lately, and debated whether I should chime in on this
> topic, alas I think my poorer part won, so here is a lengthy reply...
>



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