Page authors: Don Knoke, David Giblin
Galium bifolium
twin-leaf bedstraw
Specimens
Photos

Distribution: Occurring chiefly east of the Cascade crest in Washington; British Columbia to California, east to Colorado.

Habitat: Moist to rather dry areas, foothills to high elevations in the mountains.

Flowers: May-August

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Ants, bees, flies, butterflies, beetles, wasps

Description:
General:

Slender, erect, glabrous annual, the simple or moderately-branched stem 5-20 cm. tall.

Leaves:

Leaves linear-elliptic, 1-2 cm. long and up to 5 mm. broad, the lower in whorls of 4, one pair smaller, the upper merely opposite.

Flowers:

Flowers solitary in the axils, the peduncles elongating up to 3 cm. in fruit, widely spreading, the fruit nodding; calyx obsolete; corolla white, 3-lobed, minute, soon deciduous; ovary 2-celled, inferior.

Fruits:

Fruit dry, 2.5-3.5 mm. high, pubescent with short, hooked hairs.

Accepted Name:
Galium bifolium S. Watson
Publication: United States Geological Expolration [sic] of the Fortieth Parallel. Botany 134, pl. 14, f. 8. 1871.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Galium bifolium in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Galium bifolium checklist entry.

OregonFlora: Galium bifolium information.

E-Flora BC: Galium bifolium atlas page.

CalPhotos: Galium bifolium photos.

USDA Plants: Galium bifolium information.

25 photographs:
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