Bactris setosa has lots of spines, not sure if the trunk is correct or if it has silvered leaves..
http://sites.google.com/site/f...
http://www.arvores.brasil.nom....
There are other Bactris species in Brazil..
Arecaceae Bactris acanthocarpa Mart.
Arecaceae Bactris acanthocarpa Mart. var. acanthocarpa
Arecaceae Bactris acanthocarpa var. exscapa Barb.Rodr.
Arecaceae Bactris acanthocarpa var. intermedia A.J.Hend.
Arecaceae Bactris acanthocarpa var. trailiana (Barb.Rodr.) A.J.Hend.
Arecaceae Bactris acanthocarpoides Barb.Rodr.
Arecaceae Bactris aubletiana Trail
Arecaceae Bactris bahiensis Noblick ex A.J.Hend.
Arecaceae Bactris balanophora Spruce
Arecaceae Bactris bidentula Spruce
Arecaceae Bactris bifida Mart.
Arecaceae Bactris brongniartii Mart.
Arecaceae Bactris campestris Poepp.
Arecaceae Bactris caryotifolia Mart.
Arecaceae Bactris chaveziae A.J.Hend.
Arecaceae Bactris concinna Mart.
Arecaceae Bactris constanciae Barb.Rodr.
Arecaceae Bactris corossilla H.Karst.
Arecaceae Bactris cuspidata Mart.
Arecaceae Bactris elegans Barb.Rodr.
Arecaceae Bactris ferruginea Burret
Arecaceae Bactris fissifrons Mart.
Arecaceae Bactris gasipaes Kunth
Arecaceae Bactris gasipaes var. chichagui (H.Karst.) A.J.Hend.
Arecaceae Bactris gasipaes Kunth var. gasipaes
Arecaceae Bactris gastoniana Barb.Rodr.
Arecaceae Bactris glassmanii Med.-Costa & Noblick ex A.J.Hend.
Arecaceae Bactris glaucescens Drude
Arecaceae Bactris halmoorei A.J.Hend.
Arecaceae Bactris hatschbachii Noblick ex A.J.Hend.
Arecaceae Bactris hirta Mart.
Arecaceae Bactris hirta Mart. var. hirta
Arecaceae Bactris hirta var. lakoi (Burret) A.J.Hend.
Arecaceae Bactris horridispatha Noblick ex A.J.Hend.
Arecaceae Bactris killipii Burret
Arecaceae Bactris macroacantha Mart.
Arecaceae Bactris major Jacq.
Arecaceae Bactris major var. infesta (Mart.) Drude
Arecaceae Bactris major Jacq. var. major
Arecaceae Bactris maraja Mart.
Arecaceae Bactris maraja var. chaetospatha (Mart.) A.J.Hend.
Arecaceae Bactris maraja var. juruensis (Trail) A.J.Hend.
Arecaceae Bactris maraja Mart. var. maraja
Arecaceae Bactris maraja var. trichospatha (Trail) A.J.Hend.
Arecaceae Bactris martiana A.J.Hend.
Arecaceae Bactris oligocarpa Barb.Rodr. & Trail
Arecaceae Bactris pickelii Burret
Arecaceae Bactris pliniana Granv. & A.J.Hend.
Arecaceae Bactris rhaphidacantha Wess.Boer
Arecaceae Bactris riparia Mart.
Arecaceae Bactris schultesii (L.H.Bailey) Glassman
Arecaceae Bactris setosa Mart.
Arecaceae Bactris simplicifrons Mart.
Arecaceae Bactris soeiroana Noblick ex A.J.Hend.
Arecaceae Bactris sphaerocarpa Trail
Arecaceae Bactris syagroides Barb.Rodr. & Trail
Arecaceae Bactris tefensis A.J.Hend.
Arecaceae Bactris timbuiensis H.Q.B.Fern.
Arecaceae Bactris tomentosa Mart.
Arecaceae Bactris turbinocarpa Barb.Rodr.
Arecaceae Bactris vulgaris Barb.Rodr.
Rare Palm seeds might help with some of them, haven't checked them out yet.
http://www.rarepalmseeds.com/a...