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Sisyrinchiumangustifolium P. Miller. Common Blue-eyed-grass, Narrow-leaved Blue-eyed-grass, Stout Blue-eyed-grass. Phen: Mar-Jul; Apr-Jul. Hab: Woodlands, forests, meadows, longleaf pine sandhill swales. Dist: VT, NH, and s. ON west to WI, e. KS, and OH, south to GA, AL, LA, and e. TX.
ID notes:Sisyrinchium angustifolium "is the most widespread Sisyrinchium in North America. It has broad (> 2 mm wide) branched stems with distinct wings and lacks fibrous remains of old leaves at the plant base. Its flowers are usually blue, rarely white. A similar wide-stemmed blue-eyed grass, Sisyrinchium nashii, differs by having fibrous bristles at the base. Herbarium specimens of the two species are easily identified by their foliage color; Sisyrinchium nashii dries yellowish-green or light olive green, whereas S. angustifolium usually is dark olive green to bronze." (Spaulding et al. 2023).
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Horticultural Information
Intro:Erect, tufted perennial with grass-like leaves found in moist to dry woodlands, upland forests, floodplain forests, meadows and sandhill swales.
Stems:Stem flattened and narrowly winged, flexible and sometimes leaning, smooth, the base lacking fibrous remains of old leaves (see S. nashii).
Leaves:Leaves mostly basal, overlapping, linear and grass-like, to 14 in. long and less than 1/8 in. wide.
Inforescence:
Flowers:Flowers just a few in a ingle small cluster at top of scape; blue (occasionally white); less than 1/2 in. wide; consisting of 6 spreading tepals with rounded or notched tips and bearing a tiny tooth-like extension. Yellow markings at the base of each tepal create a yellow center in the blue "star."
Fruits:Fruit a round capsule.
Comments:
Height:8-12 in.
plant sale text:This lovely perennial is actually not a grass at all, but rather shares the same family as Iris. The leaves of both Sisyrinchium and Iris overlay each other in a parallel fashion. Narrow-leaved Blue-eyed-grass grows into attractive grass-like clumps that produce numerous half-inch blue flowers with yellow centers on upright stems.
bloom table text:
description:Erect, tufted perennial with grass-like leaves found in moist to dry woodlands, upland forests, floodplain forests, meadows and sandhill swales.
stems:Stem flattened and narrowly winged, flexible and sometimes leaning, smooth, the base lacking fibrous remains of old leaves (see S. nashii).
leaves:Leaves mostly basal, overlapping, linear and grass-like, to 14 in. long and less than 1/8 in. wide.
inflorescence:
flowers:Flowers just a few in a ingle small cluster at top of scape; blue (occasionally white); less than 1/2 in. wide; consisting of 6 spreading tepals with rounded or notched tips and bearing a tiny tooth-like extension. Yellow markings at the base of each tepal create a yellow center in the blue "star."
