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Oxalis triangularis, commonly called false shamrock, is a species of perennial plant in the family Oxalidaceae. It is native to several countries in southern South America . This woodsorrel is typically grown as a houseplant but can be grown outside in USDA climate zones 8a–11, preferably in light shade.
Oxalis triangularis. Several species are grown as pot plants or as ornamental plants in gardens, for example, O. versicolor. Oxalis flowers range in colour from whites to yellow, peaches, pink, or multi-coloured flowers. [11] Some varieties have double flowers, for example the double form of O. compressus.
The following species in the flowering plant genus Oxalis, many of which are called wood sorrels, wood‑sorrels or woodsorrels, false shamrocks, and sourgrasses, are recognised by Plants of the World Online: [1] [2]
Photonastic movement of Oxalis triangularis in response to light. At lowered light levels the leaves fold down; timelapse recorded at ~750x actual speed and covering a 1.5 hr period of time. At lowered light levels the leaves fold down; timelapse recorded at ~750x actual speed and covering a 1.5 hr period of time.
The Oxalidaceae, or wood sorrel family, are a small family of five genera of herbaceous plants, shrubs and small trees, with the great majority of the 570 species [2] in the genus Oxalis (wood sorrels).
Time-lapse video (played at 750× true speed) of the nastic movements of an Oxalis triangularis plant. The leaves open and close in response to varying light levels with the result that they are open during the day and are closed at night. This is true movement (i.e. not growth) and is non-directional with respect to the stimulus.
Original - Oxalis triangularis (also known as the love plant or purple shamrock) is a classic example of a plant which responds with movement to an external stimulus. The leaves open and close in response to varying light levels with the result that they are open during during the day and close at night.
English: Oxalis triangularis (Purple Shamrock) is a classic example of a plant which responds with movement to external stimulus. The leaves open and close in response to varying light levels with the result that they are open during during the day and close at night.