Page authors: Don Knoke, David Giblin
Bolboschoenus maritimus
seacoast tuberous bulrush
WTU specimens
Other herbaria

Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across much of North America; cosmopolitan.

Habitat: Salt marshes, wet meadows, and margins of ponds, especially in alkaline or saline areas.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Stout, herbaceous perennials from rhizomes bearing firm tubers, the stems 2-15 dm. tall, sharply triangular.

Leaves:

Leaves well developed, elongate, flat, up to 1 cm. wide.

Flowers:

Inflorescence of 3-20 spikes, 1.2-2 cm. long and 6-10 mm. thick, rather blunt, sessile in a compact, terminal cluster; inflorescence subtended by several very unequal bracts, 2-4 of them elongate, green and leafy-textured, surpassing the inflorescence; scales tan to dark brown, thin, short-awned from a notched tip; perianth of poorly-developed bristles or none; style branches 2.

Fruits:

Achenes lenticular, 2.5-4 mm. long.

Accepted Name:
Bolboschoenus maritimus (L.) Palla
Publication: Syn. Deut. Schweiz. Fl., ed. 3. 3: 2531. 1905. 1905.

Synonyms & Misapplications:
Schoenoplectus maritimus (L.) Lye [KZ99]
Scirpus maritimus L. [HC]
Infraspecies:
ssp. paludosus – seacoast tuberous bulrush
Additional Resources:

PNW Herbaria: Specimen records of Bolboschoenus maritimus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Bolboschoenus maritimus checklist entry.

E-Flora BC: Bolboschoenus maritimus atlas page.

CalPhotos: Bolboschoenus maritimus photos.

USDA Plants: Bolboschoenus maritimus information.

44 photographs:
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