Page authors: Don Knoke, David Giblin
Ipomopsis aggregata

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains, Oklahoma and Texas.

Habitat: Open or lightly wooded, drier meadows and rocky slopes, lowlands to fairly high elevations in the mountains.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Short-lived perennial with stems 2-10 dm. tall, covered with stalked glands or white hairs at least upward.


Leaves under 1 dm. long, pinnatifid with narrow rachis and segments, the cauline well-developed, reduced upward; basal leaves form a rosette.


Flowers several in an elongate panicle; calyx with prominent translucent intervals between the 5 herbaceous segments; corolla bright red or yellowish with red speckles, with a scarcely flaring tube 1.5-3.5 cm. long, the 5 pointed, spreading lobes 6-13 mm. long; stamens 5, the filaments inserted well above the middle of the corolla tube, often shortly exerted; style elongate, 3-parted; ovary superior.


Capsule with 3 carpels, each with several ovules but only 1 or 2 maturing.

Accepted Name:
Ipomopsis aggregata (Pursh) V.E. Grant

Synonyms & Misapplications:
Cantua aggregata Pursh
Gilia aggregata (Pursh) Spreng. [HC]
Gilia pulchella
ssp. aggregata – scarlet gilia, skyrocket    East of the Cascade summits, British Columbia to California, east to Montana
Additional Resources:

PNW Herbaria: Specimen records of Ipomopsis aggregata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Ipomopsis aggregata checklist entry.

E-Flora BC: Ipomopsis aggregata atlas page.

CalPhotos: Ipomopsis aggregata photos.

USDA Plants: Ipomopsis aggregata information.

86 photographs:
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