Oxalis flava
A winter-growing bulbous Oxalis from the winter-rainfall Western and Northern Cape, recognised by its fan of narrow, finger-like leaflets and yellow (sometimes pink or white) flowers in autumn to winter. It grows through the cool, wet winter in full sun and spends the hot, dry summer dormant underground, so it must be kept dry from late spring until autumn.
Where it grows wild
Grows in open sandy and stony flats, renosterveld and succulent Karoo scrub, often in seasonally moist sand. It emerges with the first autumn rains and dies back as the soil dries in spring.
Few records carry an elevation; the climate sites lie at roughly 130 to 650 m, lowland to low hills.
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The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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More Oxalis
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.