Delphinium californicum subsp. interius

(Eastwood) Ewan

Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 146. 1945.

Common names: Hospital Canyon larkspur
Conservation concernEndemic
Basionym: Delphinium californicum var. interius Eastwood Leafl. W. Bot. 2: 137. 1938
Treatment appears in FNA Volume 3.

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.


Phenology: Flowering late spring.
Habitat: Usually on inland facing slopes in open woods
Elevation: 300-800 m

Discussion

Of conservation concern.

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

Selected References

None.

Lower Taxa

None.
Michael J. Warnock +
(Eastwood) Ewan +
Delphinium californicum var. interius +
Hospital Canyon larkspur +
300-800 m +
Usually on inland facing slopes in open woods +
Flowering late spring. +
Univ. Colorado Stud., Ser. D, Phys. Sci. +
Conservation concern +  and Endemic +
Delphinium californicum subsp. interius +
Delphinium californicum +
subspecies +