Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Ipheion
Species: I. uniflorum
Binomial name: Ipheion uniflorum
Synonyms: Triteleia uniflora, Brodiaea uniflora, Tristagma uniflorum, Milla uniflora
Common names: Springstar, Spring Starflower
Ipheion uniflorum is a species of flowering plant, related to the onions. It is native to Argentina and Uruguay, but is widely cultivated as an ornamental, is now naturalised in New Zealand.
Ipheion uniflorum is a small herbaceous perennial growing from a bulb and producing flat, shiny, green, hairless, grass-like leaves up to 30 cm long. The foliage has an onion-like scent when crushed. The stem grows up to 20 cm tall and bears a solitary showy flower in spring. Each honey-scented, star-shaped flower has six pointed lobes up to 3 centimetres long in shades of very pale to deep purple-blue. There are several cultivars.
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