Inga spp.

December 20, 2009

I have recently discovered two Inga spp. in a good-size patch (of some 300 ha) of the virgin Atlantic forest near my ranch. Both were young plants and in the sterile state.

One has been provisionally determined to be Inga blanchetiana Benth. by a specialist at Kew (see some of its images at http://picasaweb.google.com/popovkin/IngaBlanchetianaBenth?feat=directlink).

The other sp. defeats an easy identification (http://www.flickr.com/photos/plants_of_russian_in_brazil/sets/72157622809980131/). I will be following up on their development and looking for specimens in flower or fruit that will help in the identification.

All Inga spp. are easily recognized by simply pinnate leaves and cup-shaped glands between each leaflet pair. See image below.

The genus name comes from the Tupi Indian name for it:  ‘ingá’ (with the stress on ‘a’).

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