Sisyrinchium elmeri

Greene

Pittonia 2: 106. 1890.

Endemic
Synonyms: Hydastylus elmeri (Greene) E. P. Bicknell Hydastylus rivularis E. P. Bicknell
Treatment appears in FNA Volume 26. Treatment on page 356. Mentioned on page 353, 357.

Herbs, perennial, cespitose, dark green to ashy olive when dry, to 3.2 dm, not glaucous. Stems simple, 0.6–1.7 mm wide, glabrous, margins usually entire, similar in color and texture to stem body. Leaf blades glabrous, bases not persistent in fibrous tufts. Inflorescences borne singly; spathes green, glabrous, keels entire; outer 13–20 mm, 1–2.4 mm longer than inner, tapering evenly towards apex, margins basally connate 3.8–5.5 mm; inner with keel ± straight, hyaline margins 0.2–0.7 mm wide, apex extending as 2 rounded or broadly erose lobes, ending just proximal to or slightly exceeding green apex. Flowers: tepals deep yellow to yellowish orange with brownish veins; outer tepals 7.5–8.5 mm, apex obtuse or rounded; filaments ± distinct or connate to 1/2 their length, glabrous; ovary similar in color to foliage. Capsules dark brown, globose to turbinate or broadly fusiform, 5–7.9 mm; pedicel recurved to spreading. Seeds hemispherical, with slight depression on one side, 1–1.2 mm, smooth. 2n = 34.


Phenology: Flowering late spring–late summer.
Habitat: Moist montane areas, bogs, edges of marshes, stream banks, meadows
Elevation: 1100–2700 m

Discussion

Selected References

None.

Lower Taxa

None.