familyRanunculaceae
genusDelphinium
subsectionDelphinium subsect. Echinata
speciesDelphinium hansenii
subspeciesDelphinium hansenii subsp. hansenii
Delphinium hansenii subsp. hansenii
Common names: Hansen's larkspur
EndemicIllustrated
Synonyms: Delphinium hesperium var. hansenii Greene Delphinium hansenii subsp. arcuatum
Treatment appears in FNA Volume 3.
Revision as of 21:26, 16 December 2019 by FNA>Volume Importer
Stems 40-80(-180) cm, base simple- and/or long-puberulent. Leaves mainly cauline; basal leaves usually absent at anthesis; cauline leaves 3 or more, gradually smaller than basal leaves. Inflorescences (2-)6-11 flowers per 5 cm, dense or less commonly open. Flowers: sepals dark blue-purple to white or pink, lateral sepals 7-10(-13) mm, spurs 8-13 mm. 2n = 16, 32.
Phenology: Flowering spring(-early summer).
Habitat: Open oak woods, grasslands
Elevation: 100-3000 m
Discussion
Delphinium hansenii subsp. hansenii produces natural hybrids with D. gypsophilum, D. hesperium, and D. variegatum.
Selected References
None.
Lower Taxa
None.