Iris setosa Link

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Iridaceae

• Scientific Name

  Iris setosa Pall. ex Link

• Description

  Species Description - Plants coarse and firm, with lignified stems and frs; lvs linear to ensiform, from a stout creeping rhizome; stems 1–5 dm, unbranched or with 1 or 2 short branches; fls 6–8 cm wide; sep dark blue-violet with lighter streaks and a white blotch at the base of the blade; pet blue-violet, involute, oblanceolate and setose-tipped, 1–1.5 cm; fr short-cylindric to ovoid, 2.5–4 cm, bluntly 3- angled; 2n=34–38. River shores, sea beaches, and rocky headlands; ne. Asia and Alaska; Nf. and Lab. to Que. and Me. June, July. The Atlantic plants are var. canadensis R. C. Foster. (I. hookeri)

• Common Names

  Arctic blue flag