Genus of flowering plants
Olsynium is a genus of summer-dormant rhizomatous perennial flowering plants in the iris family Iridaceae, native to sunny hillsides in South America and western North America. 
Description.
Height is tall. Leaves are linear, long and broad.
Flowers are bell-shaped, with six white, pink, or lilac tepals, and bloom from late winter to spring.
Etymology.
The genus name is derived from the Greek words "ol", meaning "a little", and "syn-", meaning "joined", referring to the stamens.
Taxonomy.
The taxon "Olsynium" was formerly considered as part of the genus "Sisyrinchium". The following species are recognised in the genus "Olsynium":
References.
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