Creatures » » Plants » » Angiosperms » » Yellow Eyed Grass Family »

Irisleaf Yelloweyed Grass

Xyris laxifolia var. iridifolia (Chapm.) Kral

Comprehensive Description

provided by North American Flora
Xyris iridifolia Chapm. Fl. S. U. S. 501. 1860
Tufted, rarely annual; leaves linear, 40-60 (-80) cm. long, 5-8 (-10) mm. broad, somewhat obtuse at the apex, smooth; sheath occupying about one half the length of the leaf, tawny or pale-violaceous, opaque, somewhat dilated at base; peduncles 60-100 cm. tall, 2-3 mm. broad, somewhat compressed and bicostate above, smooth, the peduncular sheath 15-22 cm. long, rusty and shining below; spike very many-flowered, ellipsoid or oblong, 12-30 (-35) mm. long, 8-12 mm. thick, the barren bracts rather numerous (about 10), the outer bracts oblong or ovate-elliptic, about 3 mm. long, rounded at the apex, the flowering bracts obovate-elliptic, about 7 mm. (rarely 8 mm.) long, 5-6 mm. broad, entire, tawny or pale-chestnut-colored, shining, with a grayish-green ovate (rarely ovate-lanceolate) dorsal area 2.5-3 mm. long; lateral sepals narrowly linear-lanceolate, about 6 mm. long and 0.75 mm. broad, acute at the apex; keel narrow, shortly lacerate-fimbriate from near the base to the apex, rusty or dullpurple; seeds fusiform, about 0.9 mm. long.
Type locality: Shallow ponds, Apalachicola, Florida.
Distribution: South Carolina to Florida and Texas; Honduras; Costa Rica.
bibliographic citation
Albert Charles Smith, Harold Norman Moldenke, Edward Johnston Alexander. 1937. XYRIDALES. North American flora. vol 19(1). New York Botanical Garden, New York, NY
visit source
partner site
North American Flora