Sisyrinchium idahoense |
Sisyrinchium halophilum |
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Idaho blue-eyed-grass |
Nevada blue-eyed-grass |
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Habit | Herbs, perennial, cespitose, green to ashy olive when dry, to 4.5 dm, not glaucous; rhizomes scarcely discernable. | Herbs, perennial, cespitose, green to ashy olive when dry, to 2.6 dm, often strongly glaucous; rhizomes scarcely discernable. | ||||||||||||
Stems | simple, obviously winged, 1–2.5 mm wide, glabrous, margins entire to denticulate apically, similar in color and texture to stem body. |
simple, 0.5–3 mm wide, glabrous, margins entire, similar in color and texture to stem body. |
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Leaf | blades glabrous, bases not persistent in fibrous tufts. |
blades glabrous, bases not persistent in fibrous tufts. |
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Inflorescences | borne singly; spathes usually green, glabrous, keels entire to denticulate; outer 14–55(–65) mm, 13–16 mm longer than inner, basally connate 2.6–7 mm, tapering evenly towards apex; inner with keel evenly curved to straight, hyaline margins 0.1–0.5 mm wide, apex acuminate to acute, ending 0.5–2.1 mm proximal to green apex. |
borne singly; spathes usually green, glabrous, keels entire; outer 13–27 mm, equaling or 3 mm longer than inner, tapering evenly towards apex, margins basally connate 2.7–5.5 mm; inner with keel evenly curved to straight, hyaline margins 0.40.6 mm wide, apex broadly rounded or truncate, often erose, often extending as 2 lobes beyond green apex. |
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Flowers | tepals light to deep bluish violet or occasionally purple, bases yellow; outer tepals 8–20 mm, apex rounded, truncate, or emarginate, aristate; filaments connate ± entirely, stipitate-glandular basally; ovary similar in color to foliage. |
tepals light to dark bluish violet, bases yellow; outer tepals 9–12 mm, apex truncate, aristate; filaments connate ± entirely, stipitate-glandular basally; ovary similar in color to foliage. |
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Capsules | beige to light or dark brown, occasionally with purple blotches on apex, ± globose to pyriform, 3–6 mm; pedicel erect to ascending. |
beige, ± globose, 2.2–4 mm; pedicel erect. |
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Seeds | globose to obconic, lacking obvious depression, 0.8–1.8 mm, usually granular. |
globose to obconic, lacking obvious depression, 1–1.7 mm, rugulose. |
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2n | = 32. |
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Sisyrinchium idahoense |
Sisyrinchium halophilum |
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Phenology | Flowering spring–summer. | |||||||||||||
Habitat | Moist, grassy areas, stream banks, springs, meadows, especially in alkaline soil | |||||||||||||
Elevation | 1100–2600 m (3600–8500 ft) | |||||||||||||
Distribution |
w North America
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CA; NV; OR; UT
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Discussion | Varieties 4 (4 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Sisyrinchium halophilum is the most common species of the genus in Nevada and eastern California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 369. | FNA vol. 26, p. 368. | ||||||||||||
Parent taxa | Iridaceae > Sisyrinchium | Iridaceae > Sisyrinchium | ||||||||||||
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Subordinate taxa | ||||||||||||||
Synonyms | S. leptocaulon | |||||||||||||
Name authority | E. P. Bicknell: Bull. Torrey Bot. Club 26: 445. (1899) | Greene: Pittonia 4: 34. (1899) | ||||||||||||
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