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Special Pages #14
Mystery Atriplexes
February, 2006
Mystery Atriplex at Upper Newport Bay from November,
2004
Possibly an Australian taxon, Jepson Herbarium has had samples of leaves and
male and female
flowers for fifteen months and has not yet come up with an identification.
Andy Sanders has
tentatively identified this species as Atriplex amnicola, which has
apparently been separated
out from Atriplex rhagodioides.
NOTE: As of the beginning of April, some DNA results
were obtained from the samples that I
submitted and they indicate that Atriplex amnicola is the closest match.
M
These first eight pictures were of (I believe) a single
female plant which was located along the
path from the Visitor Center going toward the Jamboree Road end of the bay,
on the left hand
side of the walkway (i.e. not on the bay side), and probably about 2/3 of
the way up to Jamboree
Road. I did not observe any male plants in this location.
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These four pictures were taken over in the Big Canyon
area and I think are the same species. Both
male and female plants were represented here.
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Second atriplex which needs confirming,
looked to me like polycarpa but I don't
think that taxon is at Newport Bay
I think visible from the left hand side about 1-3 to 1-2 way up, sort of up on a little flat area a few
feet higher than the road. It was Nov 04 when I was there last. Andy Sanders thinks this may be
another Australian species that resembles A. polycarpa but with different fruits.
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