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.

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.

"thin" is not a number.

Michael J. Warnock +
(Greene) Greene +
usually larger +
long-puberulent +
narrowed +
expanded +
Delphinium hesperium var. hansenii +
straight +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
smaller +
subopposite-subalternate +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
linear-lanceolate +
minute +
0 cm0 mm <br />0 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
globose;cylindric +
gradually smaller +
brick--shaped +
Hansen's larkspur +
100-3000 m +
showy +  and inconspicuous +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
sessile +  and aggregate +
curved-cylindric +
Open oak woods, grasslands +
open +  and (9-)15-40(-160)-flowered +
axillary +  and terminal +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
pointing +  and spreading to forward +
less ovate +  and elliptic +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
long-pubescent +
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 />) +
palmate +  and pinnate +
incised;toothed;incised;toothed;entire +
smaller +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
distinct +
conspicuous +
spurred +, funnel--shaped +, cup-shaped +  and plane +
reduced +
long-pubescent +
0.5 cm5 mm <br />0.005 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering spring(-early summer). +
2-100-flowered +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
3-9(-20)-branched +
8 cm80 mm <br />0.08 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tuberlike +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
succulent +, dry +  and fleshy +
dark-brown +  and black +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
not ringed +
rectangular +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
thread-like +
dark blue-purple;white or pink +
not persistent +
distinct +
3 +  and 6 +
not +  and veined +
Endemic +  and Illustrated +
1.3 cm13 mm <br />0.013 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
ascending +  and upcurved +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
80 cm800 mm <br />0.8 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +
40 cm400 mm <br />0.4 m <br /> (80 cm800 mm <br />0.8 m <br />) +
persistent +
pustulate +
Delphinium hesperium var. hansenii +  and Delphinium hansenii subsp. arcuatum +
Delphinium hansenii subsp. hansenii +
Delphinium hansenii +
subspecies +
0.2 cm2 mm <br />0.002 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
herbaceous +  and woody +