Page authors: Don Knoke, David Giblin
Gratiola ebracteata
bractless hedge-hyssop

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

Habitat: Shallow water and muddy shores, and in other wet places in the valleys and plains.

Flowers: May-August

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern


Fibrous-rooted annual, the stem simple or branched, erect or diffuse, 0.5-2 dm. tall, glabrous.


Leaves opposite, sessile, pointed, entire or with a few small, sharp teeth, 1-4 cm. long and 2-15 mm. wide, on pedicels 1-3 cm. long.


Flowers solitary, on long pedicels arising in the axils of reduced upper leaves; calyx of 5 distinct sepals, narrow, pointed, 7-12 mm. long; bracteoles wanting; corolla tubular, bilabiate, 5-7 mm. long, the tube white or yellowish, the limb purplish, the upper lip slightly notched, the lower 3-lobed; fertile stamens 2, the others wanting, the pollen sacs parallel on a flattened surface inside the corolla tube.


Capsule dehiscing by 4 valves, nearly globose, not pointed, 4-5 mm. long.

Accepted Name:
Gratiola ebracteata Benth. ex A. DC.
Publication: Prodromus Systematis Naturalis Regni Vegetabilis 10: 595. 1846.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Gratiola ebracteata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Gratiola ebracteata checklist entry.

OregonFlora: Gratiola ebracteata information.

E-Flora BC: Gratiola ebracteata atlas page.

CalPhotos: Gratiola ebracteata photos.

USDA Plants: Gratiola ebracteata information.

25 photographs:
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