E-Flora BC: Electronic Atlas of the Flora of British Columbia

Juncus gerardii Loisel.
Gerard's rush (saltmeadow rush)
Juncaceae (Rush family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #4102)

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Distribution of Juncus gerardii
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Species Information

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General:
Perennial, loosely tufted herb from short to elongate, extensive rhizomes; stems erect, 25-75 cm long.
Leaves:
Located on the lower parts of the stem extending at least halfway up, flat, 1.5-3 mm wide, lacking cross-walls, with ear-shaped lobes.
Flowers:
Inflorescence terminal, 3-15 cm long, loosely branched, the branches ascending, the flowers each with 2 involucral bractlets; perianth segments dark brown with greenish midribs, 3-4.5 mm long, rounded, blunt, with incurved, hooded tips, the inner about the same length as the outer; stamens 6; anthers 1.3-1.6 mm long, about 3 times the length of the filaments.
Fruits:
Capsules, egg-shaped, equal to or just slightly surpassing the perianth segments; seeds pear-shaped, about 0.5-0.6 mm long, lacking tail-like appendages.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet tidal flats in the lowland zone and moist streamsides in the montane zone; infrequent in SW BC, disjunct E to MB, ON, PQ and NF, and S to MA, PA, VA, KY, MO, KS, CO, UT and WA; Eurasia, New Zealand.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References