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, Nuevo León, and Tamaulipas).

Discussion

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

Selected References

None.

Lower Taxa

None.

Facts about "Delphinium madrense"
AuthorMichael J. Warnock +
AuthorityS. Watson +
Common nameSierra Madre larkspur + and Edwards' Plateau larkspur +
DistributionTex. +, Mexico (Coahuila +, Nuevo León + and and Tamaulipas). +
Elevation300-2100 m +
HabitatCalcareous slopes, oak woods or desert scrub +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorJohn Myers +
PhenologyFlowering spring–early summer. +
Publication titleProc. Amer. Acad. Arts +
Publication year1890 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V3/V3 34.xml +
Special statusIllustrated +
Taxon familyRanunculaceae +
Taxon nameDelphinium madrense +
Taxon parentDelphinium subsect. Virescens +
Taxon rankspecies +
VolumeVolume 3 +