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Bransford, W.D. and Dolphia
Delphinium glareosum Greene
Delphinium, Olympic larkspur
Synonym(s): Delphinium caprorum, Delphinium glareosum ssp. caprorum, Delphinium glareosum var. caprorum
USDA Symbol: DEGL
USDA Native Status: L48 (N), CAN (N)
A sturdy perennial with one to several stout, thick, 8-16 in. stems. Numerous fleshy, round, much-divided leaves are distributed evenly along the stems with the basal and lower leaves forming a rounded clump. The loosely-flowered spike is well over half the total height of the plant and made up of deep bluish-purple, spurred flowers.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Blue , Purple
Bloom Time: Jun , Jul , Aug
, WA Canada: BC Native Distribution:
C. Cascades of OR
& from Chelan Co. to Yakima Co., WA; also in the Olympic Mts. Native Habitat:
Alpine & subalpine talus slopes & rocky ridges
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry
Soil Description: Rocky soils.
Plants of the genus
Delphinium contain toxins, and no parts of them should ever be eaten. They can be fatally poisonous to both humans and animals. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
PropagationDescription: Sow fresh seeds in fall for outdoor stratification.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Record Last Modified: 2007-01-01
Research By: TWC Staff