Sisyrinchium atlanticum
Sisyrinchium longipes
eastern blue-eyed-grass
timberland blue-eyed-grass
branched, with 1 or 2 nodes, 0.8–1.9 mm wide, usually glabrous, margins entire, similar in color and texture to stem body;
first internode 11–36 cm, longer than leaves;
distalmost node with 2–3 branches.
simple, 0.6–1.7(–2.3) mm wide, glabrous, margins entire, similar in color and texture to stem body.
blades usually glabrous, bases occasionally becoming fibrous, but not persistent in tufts.
blades glabrous, bases not persistent in fibrous tufts.
borne singly;
spathes green or occasionally with purplish tinge on margins, obviously wider than supporting branch, glabrous or slightly scabrous, keels entire;
outer 12–16.1 mm, 1.4 mm shorter to 1.5 mm longer than inner, tapering evenly towards apex, margins basally connate 3–5.2 mm;
inner with keel evenly curved or straight, hyaline margins 0.2–0.6 mm wide, apex broadly rounded to truncate, usually erose, ending 0–0.5 mm proximal to green apex or, occasionally, exceeding it by up to 0.5 mm.
borne singly;
spathes green, glabrous, keels entire;
outer 12.5–36 mm, 0–16 mm longer than inner, tapering evenly towards apex, margins basally connate 3.5–9 mm;
inner with keel evenly curved to straight, hyaline margins 0.4–0.6 mm wide, apex usually extending as 2 rounded, sometimes erose lobes, ending 0–1.5 mm proximal to green apex.
tepals light blue or bluish violet to purple or occasionally white, bases yellow;
outer tepals 6.3–11 mm, apex emarginate to truncate, aristate;
filaments connate ± entirely, stipitate-glandular basally;
ovary blackish, in contrast with much lighter foliage.
tepals yellow to orange, usually with brownish or occasionally purplish veins;
outer tepals 7–11 mm, apex acute to rounded;
filaments connate basally, glabrous;
ovary similar in color to foliage.
dark brown to black or purplish black, ± globose to obovoid, 2–4.1 mm;
pedicel ascending to erect.
dark brown to black, slightly turbinate to ± globose, 4.5–9 mm;
pedicel ascending to erect.
globose to obconic, lacking obvious depression, 0.5–1.2 mm, rugulose or occasionally granular.
± hemispherical, with slight depression on flattened side, 1–1.7 mm, rugulose.
= 16, 32.
= 34.
Sisyrinchium atlanticum
Sisyrinchium longipes
Of conservation concern.
Plants of Sisyrinchium longipes that are disjunct in the San Bernadino Mountains, California, were previously identified as S. elmeri.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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