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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Delphinium

5b. Delphinium californicum subsp. interius (Eastwood) Ewan, Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 146. 1945.

Hospital Canyon larkspur

Delphinium californicum Torrey & A. Gray var. interius Eastwood, Leafl. W. Bot. 2: 137. 1938

Stems proximally sparsely puberulent, remainder ± glabrous. Leaf blades glabrous. Inflorescences nearly glabrous. Flowers: sepals spreading to erect, greenish white, hairs usually near apex only, lateral sepals 6-8 mm, spurs 7-10 mm; upper petals glabrous.

Flowering late spring. Usually on inland facing slopes in open woods; of conservation concern; 300-800 m; Calif.

Delphinium californicum subsp. interius is known from fewer than a dozen localities. It apparently hybridizes with D . hesperium subsp. pallescens .


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