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Delphinium scaposum - tall mountain larkspur

Scientific Family
Ranunculaceae
Synonyms
Delphinium andersonii var. scaposum
Other common names
bare-stem larkspur
desert larkspur
wild delphinium
espuelita
naked delphinium
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Perennial
Height
20 inches
Riparian
No

Slender stems above mostly basal leaves have spike-like clusters of irregular-shaped blue and white flowers; occasional reduced stem leaves.

Distinguished from other Delphinium by stems that are mostly leafless and flowers with blue sepals and white petals. Flowers have irregular petal-like sepals, a long spur and are along a spike-like stem.

Habitat

Gravelly mesas, hillsides, open desert, juniper woodlands and grasslands, ponderosa pine forests.

Plant Community
Desert Scrub
Grasslands
Interior Chaparral
Montane Conifer Forest
Pinyon Juniper Woodlands
Low elevation
1500
High elevation
8500

Flower Characteristics

Flower spike with 5 to 15 flowers; sepals 5, petal-like, to 1/2 inch long, blue, often with dark blue spots at tips; petals 4 in 2 unequal pairs, white; spur as long as sepals and bronze-tipped.

Flower color
Blue and white
Flower shape
Irregular
Tubular
No
First bloom month
March
Last bloom month
June
Flower clusters
Elongated

Leaf and Stem Characteristics

Palmately divided into lobes with rounded tips to 2-1/2 inches wide, sometimes with short hairs.

Leaf type
Simple
Leaf color
Dark green
Leaf shape
Palmate
Leaf margin
Lobed
Leaf attachment
Basal & Alternate
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

3 sectioned green seed capsule to 1/2 inch. 3 times longer than wide.

Fruit type
Capsule
Fruit color
Green

Seeds are smooth, brick-shaped, dark brown.