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

Juncus bolanderi Engelm.
Bolander's rush
Juncaceae (Rush family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #7440)

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Distribution of Juncus bolanderi
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Species Information

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General:
Perennial, loosely tufted herb from short rhizomes; stems erect, 40-75 cm tall.
Leaves:
Both basal and throughout the stem, nearly circular in cross-section, tapered, the early leaves stiff, with prominent complete cross-walls; sheaths long, open with prominent, cylindrical, ear-shaped lobes.
Flowers:
Inflorescence terminal, consisting of 1 to 5 globe-shaped heads that are many-flowered; perianth segments deep brown, 3-3.5 mm long, pointed, narrowly short-awned, the inner about the same length as the outer; stamens 3; anthers 0.7 mm long, shorter than the filaments.
Fruits:
Capsules, egg-shaped to cylindrical, abruptly narrowed (almost rounded), pointed, slightly shorter than the perianth segments; seeds barrel-like, about 0.4 mm long, lacking tail-like appendages.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet meadows and lakeshores in the lowland zone; infrequent in SW BC, rare in SE BC; S to CA.

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