Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Juncus mexicanus Willd. ex J.A. & J.H. Schultes
- Family: Rush (Juncaceae)
- Flowering: May-August
- Field Marks: The bract that subtends the inflorescence appears to be an extension of the stem so that the flowers appear to be lateral.
- Habitat: Moist usually alkaline, areas.
- Habit: Perennial herb with stout, creeping rhizomes.
- Stems: Upright, unbranched, slender, up to 2 feet tall, smooth, sometimes flat and twisted.
- Leaves: Elongated, up to 8 inches long, smooth.
- Flowers: Several in a loose cluster near the top of the stem, the cluster up to 3 inches long: bract, which appears to be an upward extension of the stem, upright, up to 6 inches long, smooth.
- Sepals: 3, free from each other, lanceolate, greenish or straw-colored, up to 1/4 inch long.
- Petals: 3, free from each other, lanceolate, greenish or straw-colored, up to 1/4 inch long.
- Stamens: 6.
- Pistils: Ovary superior, smooth.
- Fruits: Capsules ovoid, brown, pointed at the tip, up to 1/4 inch long: seeds oblongoid.
- Notes: This species is similar to Juncus balticus and is sometimes merged with it.
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