• WordNet 3.6
    • n oxalis any plant or flower of the genus Oxalis
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Webster's Revised Unabridged Dictionary
    • n Oxalis (Bot) A genus of plants, mostly herbs, with acid-tasting trifoliolate or multifoliolate leaves; -- called also wood sorrel.
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Chambers's Twentieth Century Dictionary
    • n Oxalis oks′a-lis wood-sorrel:
    • n Oxalis oks′a-lis (bot.) a genus of plants having an acid taste
    • ***


Webster's Revised Unabridged Dictionary
L., a kind of sorrel, Gr. 'oxali`s, fr. 'oxy`s sharp, pungent, acid
Chambers's Twentieth Century Dictionary
Gr.,—oxys, acid.


In literature:

Does Oxalis corniculata present exactly the same varieties under very different climates?
"More Letters of Charles Darwin" by Charles Darwin
Have you seeds of Oxalis sensitiva, which I see mentioned in books?
"More Letters of Charles Darwin Volume II" by Charles Darwin
The Oxalis is a good example.
"Outlines of Lessons in Botany, Part I; From Seed to Leaf" by Jane H. Newell
Yellow wood-sorrel (oxalis) was here, of course, as it was everywhere.
"A Florida Sketch-Book" by Bradford Torrey
Oxalis corniculata, Clematis cana, Eurya ferruginea!
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
Each of those will well repay study, especially the fruit and seeds of oxalis.
"Seed Dispersal" by William J. Beal
Three species of wild oxalis, or wood-sorrel, should not be overlooked.
"Harper's Young People, June 8, 1880" by Various
Stem prostrate and creeping Wood Sorrel, Oxalis repens.
"The Plants of Michigan" by Henry Allan Gleason
Sensitive plants, and those of the Oxalis Lent.
"Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease" by John Grove
Oxalis stricta L. Geranium family.
"Texas Honey Plants" by C. E. Sanborn
The freesia and the oxalis are of the "Cape" group of bulbs, and when started in the fall should blossom in four or five months.
"Gardening for Little Girls" by Olive Hyde Foster
The Oxalis has, presumably, been saved over from last winter's stock, and so, too, have the best of the Freesias.
"A Garden with House Attached" by Sarah Warner Brooks
A lady writing to Mr. Vick becomes enthusiastic over her Oxalis.
"Talks about Flowers." by M. D. Wellcome

In news:

Proven Winners Charmed™ Wine Oxalis PBS.
Cloverlike ornamental oxalis is widely available at nurseries and florists in 3- or 4-inch pots around St Patrick's Day.