Oxalis magnifica

Deborah Jordan djordan68@comcast.net
Wed, 01 Oct 2008 05:32:39 PDT
Thank you Ron and Hannon--knowing it is summer growing and not winter 
growing is very helpful.

Debbie
Houston, Texas

----- Original Message ----- 
From: "Ron Vanderhoff" <rvanderhoff@sbcglobal.net>
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Sent: Wednesday, October 01, 2008 12:09 AM
Subject: Re: [pbs] Oxalis magnifica


Debbie,

Oxalis magnifica was described in 1919 by the German botanist, Reinhard 
Gustav Paul Knuth.

This is a fairly common Oxalis in Mexico, especially in the state of Oaxaca 
and apparently ranges south through Central America and possibly into 
northern South America..

It is a bulbous plant, without a rhizome; stemless (acaulescent), leafy and 
clumping. The leaves are rather large for an Oxalis, often as much as 4" 
across, with between 4 and 10 leaflets, but usually 6 to 8. The leaflets 
have a few long and noticeable hairs on the upper surface, with a smooth 
margin and a smooth underside. Each leaflet is oblanceolate to narrowly 
obovate; truncate to emarginate at the tip.

The flower stalk (peduncle) is especially long, often over 12 inches, and 
supports an inflorescence composed of approximately 10-12 flowers. Because 
of the length of the peduncle, the flowers are usually held well above the 
foliage. The petals are a rosy purple-pink with a whitish band above a 
yellow throat.

This is a typical tristylous form of Oxalis, with most plants in cultivation 
apparently being medium form (or "mediostylar") and are self incompatable 
for pollination.

This is a sub tropical Oxalis preferring the warm season. In southern 
California O. magnifica breaks dormancy about the first of May, is in bloom 
within a week or two, blooms well for about two months and then, depending 
on heat, trickles a few flowers through the summer, going dormant again by 
mid November.

It is similar to two other fairy common Mexican Oxalis, O. lasiandra and O. 
nelsonii (which it is often confused with).

I have a couple of photos of this species in my picture folder on the Oxalis 
Growers Group website:
http://tech.groups.yahoo.com/group/Oxalis-growers/

Hope that helps you.


Ron Vanderhoff
California







----- Original Message ----
From: Deborah Jordan <djordan68@comcast.net>
To: pbs@lists.ibiblio.org
Sent: Tuesday, September 30, 2008 8:57:50 AM
Subject: [pbs] Oxalis magnifica

Can anyone post some info one this species?
Thanks,
Debbie
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