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Photo# 17264 Accession# R0
Costus sprucei, NYBG herbarium
CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).
PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus sprucei
FORMAL SCIENTIFIC NAME: Costus sprucei Maas
This is an accepted neo-tropical Costus species described in 1972 by Paul Maas. I have never seen this species in the wild or in photos and based on the description by Paul Maas, it is distinguished from C. lasius and from C. scaber by its chartaceous (rather than coriaceous) bracts, and is distinguished from C. chartaceus by the shorter bracteole and calyx and hairiness of the sheaths and leaves. One specimen (Campbell #8951)from Acre in Brazil at NYBG herbarium was det'd as C. sprucei by Dr. Maas and it has a basal type inflorescence.
http://www.jbrj.gov.br/publica/rodriguesia/Rodrig56_86/02_05_costaceae.pdf - listed and described - one of three species of Costaceae found in the Reserva Ducke - near Manaus, Brazil at the junction of the Amazon and the Rio Negro.