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Small Mudflat Plant

Posted by jekeesl Central AR 7b (My Page) on
Sat, Aug 9, 14 at 19:28

These tiny mudflat plants were in heavy shade. They were somewhat upright, with opposite leaves and flowers pin-sized in leaf axils. Stems were grooved on one side. The flowers had tubular bases, four calyxes, and four alternating pink petals. Flowers were only about 2 mm long.

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Follow-Up Postings:

RE: Small Mudflat Plant

Perhaps another Ludwegia.

RE: Small Mudflat Plant

Thanks lycopus. I thought it was Ludwigia repens, but the petals were only 0.5 mm long. The descriptions I found said petals should be longer, and yellow instead of pink. You should see those flowers under the microscope - they're gorgeous.

RE: Small Mudflat Plant

Well, I ran this one down. It is most likely Oldenlandia boscii (Bosc's mille grains). Most of the O. boscii photos on the Internet show different species, but the link below provides ID support. I also got a better photo for comparison.

Here is a link that might be useful: Oldenlandia boscii

RE: Small Mudflat Plant

Didn't know that one. The 4-merous flowers fits with the Rubiaceae.

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