Notes:
Treated as a valid species by Spichiger #et al.# (1989: 84). The second collection cited in the Flora of Peru, #Klug 3566#, was placed under #S. trophoides# by Burger #et al.# (1962: 450); and Peruvian material of this species was subsequently treated as subsp. #rhodorachis# by Berg & Akkermans (1985).ý
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