Difference between revisions of "Juncus uncialis"
Pittonia 2: 105. 1890.
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|publication year=1890 | |publication year=1890 | ||
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|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Graminifolii | |subgenus=Juncus subg. Graminifolii | ||
Revision as of 19:02, 24 September 2019
Herbs, annual, cespitose, 0.8–3.5 cm. Culms to 70, more than 0.2 mm diam.. Leaves to 2.2 cm, 1/2–3/4 height of plant. Inflorescences terminal solitary flowers; bracts subtending inflorescence 1, widely truncate, enwrapping culm, inconspicuous, 0.25–0.9 mm, membranous, apex widely truncate, completely sheathing culm.. Flowers 3-merous, : tepals erect to recurved at maturity, greenish or tinged red, 2–4 × 0.6–0.9 mm; outer and inner series nearly equal, apex acutish; stamens usually 3, filaments 0.9–1.6 mm, anthers 0.3–0.4 mm, 1/3 length of filaments; style 0.1–0.3 mm, stigma 0.4–1.3 mm. Capsules reddish to maroon, 3-locular, ovoid to ellipsoid, 1.8–3.2 × 1–2.5 mm, nearly equal or shorter than the tepals. Seeds ovoid, 0.3–0.4 mm. n = 16.
Phenology: Flowering and fruiting spring–early summer.
Habitat: Margins of vernal pools and ponds
Elevation: to 1700 m
Distribution
Calif., Nev., Oreg.
Discussion
Selected References
None.