Delphinium madrense

S. Watson

Proc. Amer. Acad. Arts 17: 141. 1890.

Common names: Sierra Madre larkspur Edwards' Plateau larkspur
Illustrated
Treatment appears in FNA Volume 3.

Stems 30-80 (-100) cm; base often reddish, puberulent. Leaves cauline and basal; basal leaves 0-8 at anthesis; cauline leaves 3-11 at anthesis; petiole 1-15 (-25) cm. Leaf-blade semicircular to cordate, 2-8 × 2-10 cm, nearly glabrous; ultimate lobes 3-12, width 3-10 mm (basal), 2-6 mm (cauline). Inflorescences 5-75 (-98) -flowered; pedicel 1-2.5 (-5) cm, puberulent; bracteoles 2-4 (-8) mm from flowers, green, lanceolate-linear, 3-5 mm, puberulent. Flowers: sepals dark blue to light blue, puberulent, lateral sepals spreading, 9-15 × 5-7 mm, spurs straight, ascending ca. 45 (-90) °, 10-15 (-19) mm; lower petal blades elevated, exposing stamens, 4-7 mm, clefts 2-4 mm; hairs centered, densest on inner lobes near base of cleft, white. Fruits 15-21 mm, 3.5-4.5 times longer than wide, nearly glabrous. Seeds: seed-coat cells with surfaces pustulate.


Phenology: Flowering spring–early summer.
Habitat: Calcareous slopes, oak woods or desert scrub
Elevation: 300-2100 m

Distribution

V3 34-distribution-map.gif

Tex., Mexico (Coahuila), Mexico (Nuevo León), Mexico (and Tamaulipas)

Discussion

Delphinium madrense hybridizes with D. carolinianum subspp. vimineum and virescens.

Selected References

None.

Lower Taxa

None.
... more about "Delphinium madrense"
Michael J. Warnock +
S. Watson +
usually larger +
puberulent +
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 /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
lanceolate-linear +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 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 +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Sierra Madre larkspur +  and Edwards' Plateau larkspur +
Tex. +, Mexico (Coahuila) +, Mexico (Nuevo León) +  and Mexico (and Tamaulipas) +
300-2100 m +
sessile +  and pedicellate +
showy +  and inconspicuous +
1.5 cm15 mm <br />0.015 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
sessile +  and aggregate +
curved-cylindric +
Calcareous slopes, oak woods or desert scrub +
5-75(-98)-flowered +
axillary +  and terminal +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
less ovate +  and elliptic +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
whorled +, opposite +  and alternate +
basal +  and cauline +
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 +
2.5 cm25 mm <br />0.025 m <br /> (5 cm50 mm <br />0.05 m <br />) +
appressed-ascending +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
distinct +
conspicuous +
reduced +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering spring–early summer. +
Proc. Amer. Acad. Arts +
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 />) +
dark blue;light blue +
not persistent +
distinct +
3 +  and 6 +
not +  and veined +
Illustrated +
1.5 cm15 mm <br />0.015 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
straight +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
persistent +
pustulate +
Delphinium madrense +
Delphinium subsect. Virescens +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
herbaceous +  and woody +