Page author: Don Knoke
Juncus parryi
Parry's rush

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.

Habitat: Exposed rocky slopes and stream banks from middle elevations to the alpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Wind


Strongly tufted, matted perennial, the flowering stems 10-30 cm. tall, slender and terete.


Leaf bases with sheaths 1-4 cm. long, the uppermost with a slender, terete blade 3-6 cm. long; lower sheaths bladeless, or with bristle-like blades less than 1 cm. long.


Flowers 1-3, clustered but borne singly, each subtended by two brownish, ovate, membranous bractlets; involucral bract 2-4 cm. long, terete, erect, sharp-pointed, imitating the stem; outer 3 perianth segments 6-7 mm. long, lanceolate-acuminate, the inner 3 slightly shorter, acute to rounded; stamens 6.


Capsule slightly exceeding the perianth, acute.

Accepted Name:
Juncus parryi Engelm.
Publication: Transactions of the Academy of Science of St. Louis 2: 446-447. 1866.

Synonyms & Misapplications:
Juncus drummondii E. Mey. var. parryi (Engelm.) M.E. Jones
Juncus hallii Engelm., misapplied [FNA22, HC, HC2]
Additional Resources:

PNW Herbaria: Specimen records of Juncus parryi in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Juncus parryi checklist entry

OregonFlora: Juncus parryi information

E-Flora BC: Juncus parryi atlas page

CalPhotos: Juncus parryi photos

18 photographs:
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