The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

eastern blue-eyed-grass

Habit Herbs, perennial, cespitose, yellowish to light olive when dry, to 5.7 dm, not glaucous.
Stems

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.

Leaf

blades usually glabrous, bases occasionally becoming fibrous, but not persistent in tufts.

Inflorescences

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.

Flowers

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.

Capsules

dark brown to black or purplish black, ± globose to obovoid, 2–4.1 mm;

pedicel ascending to erect.

Seeds

globose to obconic, lacking obvious depression, 0.5–1.2 mm, rugulose or occasionally granular.

2n

= 16, 32.

Sisyrinchium atlanticum

Phenology Flowering spring–early summer.
Habitat Moist meadows and coastal dunes in sandy, peaty, or rich, loamy soil
Elevation 0–300 m (0–1000 ft)
Distribution
from FNA
AL; AR; CT; DC; DE; FL; GA; IL; IN; KY; LA; MA; MD; ME; MI; MO; MS; NC; NH; NJ; NY; OH; PA; RI; SC; TN; VA; VT; WI; WV; NS
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 26.
Parent taxa Iridaceae > Sisyrinchium
Sibling taxa
S. albidum, S. angustifolium, S. arizonicum, S. bellum, S. biforme, S. californicum, S. campestre, S. capillare, S. cernuum, S. demissum, S. dichotomum, S. elmeri, S. ensigerum, S. funereum, S. fuscatum, S. groenlandicum, S. halophilum, S. hitchcockii, S. idahoense, S. langloisii, S. littorale, S. longipes, S. miamiense, S. minus, S. montanum, S. mucronatum, S. nashii, S. pallidum, S. pruinosum, S. radicatum, S. rosulatum, S. sagittiferum, S. sarmentosum, S. septentrionale, S. strictum, S. xerophyllum
Synonyms S. apiculatum, S. apiculatum var. mesochorum, S. corymbosum, S. flexile, S. mucronatum var. atlanticum, S. scoparium, S. tracyi, S. violaceum
Name authority E. P. Bicknell: Bull. Torrey Bot. Club 23: 134. (1896)
Web links