Flora of the Southeastern United States
2022 Edition


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Sisyrinchium Linnaeus. Blue-eyed-grass, Irisette.

Contributed by B.A. Sorrie and A.S. Weakley

Key to Sisyrinchium

A genus of about 80 or more species, herbs, of the Americas. Sisyrinchium is a very difficult genus, with a number of taxonomic questions remaining in our area.

ID notes: For confident identification, it is necessary to collect underground parts; fibrous remains of leaves, and rhizomes (if any), are critical characters. Stem width includes wings.

Ref: Bicknell (1896); Bicknell (1899a); Bicknell (1899b); Cholewa & Henderson (2002) In Flora of North America Editorial Committee (2002a); Goldblatt, Manning, & Rudall In Kubitzki (1998a); Hornberger (1991); Keith (2022). Show full citations.

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image of plant© Alan M. Cressler
image of plant© Will Stuart
image of plant© Bruce A. Sorrie
image of plant© Brian Finzel, some rights reserved (CC BY-SA), uploaded by Brian Finzel source
image of plant© Richard & Teresa Ware
image of plant© Gary P. Fleming