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Selected cultivar with yellow flowers of the purple oxalis. Bulbous perennial from the Oxalidaceae family, whose type species originates from the Cape region in South Africa, where it occupies the sandy and rocky slopes of the fynbos under a Mediterranean climate.
This cultivar forms small, dense, low tufts, 5 to 10 cm in height, remarkable above all for their foliage. The trifoliate leaflets are covered with a dense, silvery-white indumentum, with short, crystalline hairs, giving them a frosted, almost mineral appearance, very unusual in the genus. The slightly wavy margins further accentuate this character. This silvery foliage is an enduring attraction, well beyond the flowering period.
The flowers, widely open, are a bright and pure yellow, without a marked contrasting eye, carried on short peduncles that hold them just above the cushion of leaves. The combination of bright yellow and silvery gray foliage is particularly successful.
In its natural habitat, the type species blooms in the austral winter-spring. In cultivation under our latitudes, this cultivar blooms in autumn, generally from October to November.
It is cultivated in pots under a cold and bright shelter, or in very well-drained rock gardens in a sunny exposure, with a dry summer rest. It does not tolerate stagnant moisture or prolonged frost. Pot cultivation remains the safest solution in climates with wet winters.