Delphinium wootonii

Rydberg

Bull. Torrey Bot. Club 26: 587. 1900.

Common names: Wooton's larkspur
Illustrated
Synonyms: Delphinium virescens subsp. wootonii (Rydberg) Ewan
Treatment appears in FNA Volume 3.

Stems (15-) 30-50 (-60) cm; base sometimes reddish, pubescent. Leaves mostly on proximal 1/4 of stem at anthesis; basal leaves 0-10 at anthesis; cauline leaves 3-10 at anthesis; petiole 0.5-8 (-14) cm. Leaf-blade reniform to fan-shaped, 1.5-3 × 2.5-4 cm, puberulent; ultimate lobes 5-24, width 2-6 mm (basal), 1-3 mm (cauline). Inflorescences 15-30 (-49) -flowered; pedicel 1-2 (-3.6) cm, puberulent; bracteoles 1-5 mm from flowers, green, linear, 1-4 (-12) mm, puberulent. Flowers: sepals white to lavender, nearly glabrous, lateral sepals usually reflexed, (6-) 8-13 × 3-7 mm, spur straight, ascending 30-80° above horizontal, (8-) 13-20 (-25) mm; lower petal blades ± elevated, 6-9 mm, cleft 2.5-4.5 mm; hairs centered, densest near base of cleft, white. Fruits (10-) 11-20 (-24) mm, 3-3.5 times longer than wide, glabrous. Seeds: seed-coat cells with surfaces pustulate. 2n = 16.


Phenology: Flowering spring.
Habitat: Oak woods, grasslands, desert scrub
Elevation: 700-1800 m

Distribution

V3 758-distribution-map.gif

Ariz., Colo., N.Mex., Tex., Mexico (Sonora), Mexico (Chihuahua), Mexico (and Coahuila)

Discussion

Delphinium wootonii hybridizes with D. madrense in the eastern Big Bend area of Texas, and with D. carolinianum subsp. virescens.

Selected References

None.

Lower Taxa

None.
... more about "Delphinium wootonii"
Michael J. Warnock +
Rydberg +
usually larger +
not narrowed +
expanded +
straight +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
smaller +
subopposite-subalternate +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 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 +
Wooton's larkspur +
Ariz. +, Colo. +, N.Mex. +, Tex. +, Mexico (Sonora) +, Mexico (Chihuahua) +  and Mexico (and Coahuila) +
700-1800 m +
sessile +  and pedicellate +
showy +  and inconspicuous +
2 cm20 mm <br />0.02 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
sessile +  and aggregate +
curved-cylindric +
Oak woods, grasslands, desert scrub +
15-30(-49)-flowered +
axillary +  and terminal +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
less ovate +  and elliptic +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
whorled +, opposite +  and alternate +
cauline +  and basal +
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 +
2 cm20 mm <br />0.02 m <br /> (3.6 cm36 mm <br />0.036 m <br />) +
appressed-ascending +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
distinct +
conspicuous +
reduced +
8 cm80 mm <br />0.08 m <br /> (14 cm140 mm <br />0.14 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering spring. +
Bull. Torrey Bot. Club +
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 />) +
white;lavender +
not persistent +
distinct +
3 +  and 6 +
not +  and veined +
Illustrated +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
straight +
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
persistent +
pustulate +
Delphinium virescens subsp. wootonii +
Delphinium wootonii +
Delphinium subsect. Virescens +
species +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 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 +