Oxalis magellanica

Oxalis magellanica or snowdrop wood-sorrel is an Oxalis species found in Chile, Argentina, New Zealand, and Tasmania.[1][2] It was first described in 1789.[3] It blooms from fall to spring with white flowers.

Oxalis magellanica
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Oxalidales
Family: Oxalidaceae
Genus: Oxalis
Species:
O. magellanica
Binomial name
Oxalis magellanica
G. Forst.
Synonyms

Acetosella magellanica (G. Forst.) Kuntze
Acetosella modesta (Phil.) Kuntze
Oxalis carnosa Molina
Oxalis cataractae A. Cunn.
Oxalis lactea Hook.
Oxalis modesta Phil.
Oxalis novae-zelandiae Gand.

Its native distribution is puzzling given the wide geographic separation between its populations in Oceania and South America.[2] It, along with other members of a clade within the section Oxalis that share a common ancestor dating back to roughly 30 Ma, have a strangely complex geographic distribution.[2] This is especially perplexing given that the connection between Oceania and South America via Antarctica disappeared 35 million years ago,[4] before the estimated diversification of the clade.

References
  1. "Oxalis magellanica G.Forst". Plants of the World Online.
  2. Gardner, A. G. (2013). Using molecular phylogenetics to unravel morphological shifts, niche transitions, and geographic expansion at two different scales in the plant genus Oxalis (oxalidaceae) (Order No. 3588366). Available from ProQuest Dissertations & Theses Global. (1428164964).
  3. "Oxalis magellanica". Tropicos.
  4. "Tectonic history: into the deep freeze". Discovering Antarctica. Retrieved 2020-01-22.
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