Libertia formosa
Iridaceae
April to August
It is found mainly in the Southwest and is scattered around
London and in the South.by the coast.
For a map see the Botanical Society of Britain and Ireland –
It is a neophyte from Chile and grown in gardens in the
UK.
It has escaped and become naturalised on coastal dunes,
freshwater shores, verges, tracks, and waste ground.
Chilean-iris is a rhizomatous herb growing up to 1.2m.
The flowers are in terminal clusters.
Individual flowers are white and up to 2.5cm. There are
3 broad outer tepals and 3 inner darker, lanceolate tepals.
The stamens and style branches protrude above the
corolla.
The 3 large anthers are yellow before shrivelling and
the fillaments are fused at the base.
The style has 3 linear branches that spread just below the
stamens.
The leaves form a dense tuft. They are broad and flat
and up to 120cm.
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