Northern Prairie Wildlife Research Center
Northeast Wetland Flora
Field Office Guide to Plant Species
Xyris fimbriata Elliott
- Family: Yellow-eyed-grass (Xyridaceae)
- Flowering: July-September
- Field Marks: The 2 lateral sepals are larger than the subtending bracts. The keel of the
2 lateral sepals is fringed, and the leaves are 1/4-1/2 inch wide.
- Habitat: Swamps, shores of ponds.
- Habit: Perennial herb with shallow, fibrous roots.
- Stems: Upright, smooth, coarse, usually 3-ribbed, up to 3 feet tall, bearing no leaves but only a solitary, terminal head.
- Leaves: All basal, upright, leathery, strap-shaped, pointed at the tip, tapering to the base, smooth, 1/4-1/2 inch wide, broadest at base and overlapping in two ranks.
- Flowers: Several crowded into a head, the head solitary, terminal, ovoid, 1/2-1 1/4 inches long, about 1/2 inch thick; each flower subtended by a scale (bract), the bracts obovate, about 1/3 inch long, straw-colored to brownish.
- Sepals: 3, the 2 lateral ones longer than the bracts, with a fringed keel, 1/3-1/2 inch long shorter than the third sepal.
- Petals: 3, united below to form a narrow tube, yellow, the lobes all equal.
- Stamens: 3, attached to the tube of the petals.
- Pistils: Ovary superior; styles 3.
- Fruits: Capsules ellipsoid, smooth, containing many seeds.
- Notes: The seeds are eaten by waterfowl.
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