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Gayana. Botánica

On-line version ISSN 0717-6643


FINOT, VÍCTOR L. et al. Is Alstroemeria pulchra Sims var. maxima Phil. (Alstroemeriaceae) a member of the A. magnifica Herbert complex?: A colorimetric study of outer and inner flower tepals. Gayana Bot. [online]. 2015, vol.72, n.1, pp.101-113. ISSN 0717-6643.

Alstroemeria pulchra var. maxima is an endemic Chilean taxon described by R.A. Philippi in 1864, whose taxonomic position is controversial; even though Bayer in 1987 transferred this taxon to A. magnifica with the rank of subspecies, Muñoz & Moreira in 2003 return to the original concept proposed by Philippi. In order to provide a new character to decide if A. pulchra var. maxima is a member of the A. magnifica complex or must remain as a variety of A. pulchra as was originally described, the color of outer, upper inner and lower inner tepals of the flowers of eight populations of Alstroemeria L. belonging to these two endemic Chilean species were analyzed with a spectrophotometer colorimeter Hunterlab Colorquest: five populations of A. magnifica Herbert and three populations of A. pulchra Sims. CIELab coordinates allow to separate A. magnifica from A. pulchra on the basis of the color of the outer and lower inner tepals but not by the color of the upper inner tepals. We conclude that the color of the flower is a new character to confirm that var. maxima belong to A. pulchra, not to the A. magnifica complex.

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