Revalidation of species of the Oxalis laxa complex (section Alpinae, Oxalidaceae) that grow in Chilehile
DOI:
https://doi.org/10.14522/darwiniana.2024.121.1220Keywords:
Oxalis, South America, Taxonomy, ChileAbstract
The taxonomic position of annual species of Oxalis section Alpinae, morphologically related
to O. laxa, was controversial in recent publications of the genus. Several taxa have been treated as
synonyms of O. laxa or, eventually, considered as accepted at the specific or infraspecific level. In this
contribution, we evaluated the circumscription of O. micrantha and other names within O. laxa, while
concluding that O. campanensis, O. cumingii, and O. rigida are clearly distinctive species based on
morphological characters, different from the former; we also consider two varieties within O. laxa.
Keys to distinguish the recognized taxa are presented, together with photos of the species. We also
proposed lectotypes for the names O. dichotomiflora, O. laxa var. minor, O. platycaulis, O. puberula,
O. sanromanii, and O. torcana.
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