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

V3 876-distribution-map.gif

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 +
usually larger +
not +  and reddish +
not narrowed +
expanded +
Delphinium virescens +
straight +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
smaller +
subopposite-subalternate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
blue +  and green +
0.1 cm1 mm <br />0.001 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
nearly glabrous +  and glandular +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
minute +
0 cm0 mm <br />0 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
globose;cylindric +
multicellular +
straight +
brick--shaped +  and wavy +
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 +
sessile +  and pedicellate +
showy +  and inconspicuous +
1.85 cm18.5 mm <br />0.0185 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
glabrous +  and puberulent +
1.25 cm12.5 mm <br />0.0125 m <br /> (1.85 cm18.5 mm <br />0.0185 m <br />) +
sessile +  and aggregate +
curved-cylindric +
Prairies, sandy, loamy, or clay soils +
yellow;blue;white +
(3-)8-27(-94)-flowered +
axillary +  and terminal +
1.4 cm14 mm <br />0.014 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
less ovate +  and elliptic +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2cm +  and 12cm +
whorled +, opposite +  and alternate +
largest +
lacerate;crenate +
clawed +, 2-lobed +, ovate +  and plane +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
multicellular +
brick--shaped;wavy +
smaller +
1.8 cm18 mm <br />0.018 m <br /> (5.7 cm57 mm <br />0.057 m <br />) +
appressed-ascending +
nearly glabrous +  and glandular +
0.7 cm7 mm <br />0.007 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
distinct +
conspicuous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (14 cm140 mm <br />0.14 m <br />) +
Flowering late winter–early summer. +
2-100-flowered +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
multicellular +
straight +
brick--shaped +  and wavy +
2-8-branched +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
fusiform +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
not wing-margined +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
not ringed +
crescent-shaped +  and obpyramidal +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
pale blue;white +
not persistent +
distinct +
3 +  and 6 +
not +  and veined +
Endemic +  and Weedy +
ascending +  and upcurved +
50 cm500 mm <br />0.5 m <br /> (80 cm800 mm <br />0.8 m <br />) +
persistent +
smooth;pustulate +
Delphinium virescens var. macroseratilis +  and Delphinium virescens var. penardii +
Delphinium carolinianum subsp. virescens +
Delphinium carolinianum +
subspecies +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
herbaceous +  and woody +