Delphinium carolinianum subsp. virescens

(Nuttall) R. E. Brooks

Phytologia 60: 8. 1982.

Common names: Plains larkspur white larkspur Penard's larkspur
EndemicWeedy
Basionym: Delphinium virescens Nuttall Gen. N. Amer. Pl. 2: 14. 1818
Synonyms: Delphinium virescens var. macroseratilis (Rydberg) Cory Delphinium virescens var. penardii (Huth) L. M. Perry
Treatment appears in FNA Volume 3.

Roots without elongate central axis; fascicles 2-8, ± horizontal. Stems 50-80 cm. Leaves mostly cauline at anthesis; distalmost petioles more than 5 mm. Leaf blade with 5 or more major divisions; ultimate lobes of midcauline leaf blades 5-15, width 2-6 mm. Flowers: sepals white to very pale blue. 2n = 16.


Phenology: Flowering late winter–early summer.
Habitat: Prairies, sandy, loamy, or clay soils
Elevation: 250-2000 m

Distribution

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Man., Colo., Iowa, Kans., Minn., Mo., Nebr., N.Dak., Okla., S.Dak., Tex., Wis.

Discussion

Delphinium carolinianum subsp. virescens is known to hybridize with D. madrense and with D. wootonii.

Selected References

None.

Lower Taxa

None.
Michael J. Warnock +
(Nuttall) R. E. Brooks +
Delphinium virescens +
Plains larkspur +, white larkspur +  and Penard's larkspur +
Man. +, Colo. +, Iowa +, Kans. +, Minn. +, Mo. +, Nebr. +, N.Dak. +, Okla. +, S.Dak. +, Tex. +  and Wis. +
250-2000 m +
Prairies, sandy, loamy, or clay soils +
Flowering late winter–early summer. +
Endemic +  and Weedy +
Delphinium virescens var. macroseratilis +  and Delphinium virescens var. penardii +
Delphinium carolinianum subsp. virescens +
Delphinium carolinianum +
subspecies +