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FNA | Family List | FNA Vol. 22 | Xyridaceae | Xyris

6. Xyris fimbriata Elliott, 1: 52. 1816.

Herbs, perennial, usually cespitose, 60--150 cm, base shallowly set. Stems compact. Leaves in fans, 40--70 cm; base dull, straw-colored, green, or pinkish; blade lustrous green, broadly linear, flat or slightly twisted, 5--25 mm, smooth, margins papillate. Inflorescences: scape sheaths much exceeded by leaves; scapes linear, 1--1.5 mm wide, distally scabrous, 2-ribbed, ribs harsh; spikes ovoid to ellipsoid, 12--25 mm, apex blunt; fertile bracts 5--8 mm, margins nearly entire, apex rounded. Flowers: lateral sepals conspicuously exserted, yellow-brown, nearly straight, (5.5--)6--8(--9) mm, keel firm, long-fimbriate with pale hairs; petals unfolding in late morning, blade obovate, 5--8 mm; staminodes bearded. Seeds translucent, cylindro-fusiform, 0.8--1 mm, with broad, flat, pale longitudinal ribs. 2n = 18.

Flowering summer--fall (all year south). Peats and mucks of pond shallows, sluggish shallow streams, bogs, seeps, low pine savanna; 0--300 m; Ala., Del., Fla., Ga., La., Md., Miss., N.J., N.C., Pa., S.C., Tenn., Tex., Va.


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