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42c. Delphinium hansenii subsp. ewanianum M. J. Warnock, Phytologia. 68: 3. 1990.
Ewan's larkspur
Stems (25-)60-100(-130) cm, base usually simple-puberulent. Leaves mostly cauline; cauline leaves 3 or more, ± gradually smaller than basal leaves. Inflorescences 2-5(-8) flowers per 5 cm, ± open. Flowers: sepals reddish purple to dark maroon, lateral sepals 8-12 mm, spurs (6-)9-12(-16) mm. 2 n = 32.
Flowering early-mid spring. Rock outcrops in open oak woods, grasslands; of conservation concern; 60-600 m; Calif.
Delphinium hansenii subsp. ewanianum is extremely local and imperiled by human encroachment.
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