Tuberous herbs, glabrous. Leaves spirally arranged on erect stems (cauline, in Walleria), or arising directly from the topmost of a vertical stack of tubers or corms (basal, in Cyanastrum). Flowers bisexual, hypogynous; perianth segments 6, pale blue or occasionally white, stamens 6. Capsule 3-lobed. Worldwide: 8 genera and 26 species, Turkey to Central Asia, Africa, South America, north to California. Zimbabwe: 1 genus and 1 taxon. |
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