Plant Image
Granite Mtn - Tr 308 - Sue Smith

Yavapai County Native & Naturalized Plants

Delphinium scaposum - tall mountain larkspur

Synonyms: Delphinium andersonii var. scaposum
Other Common Names: barestem larkspur, wild delphinium, espuelita, naked delphinium
Plant Form: Forb

Family: Ranunculaceae

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Flower bud
Coconino NF Walker Basin Allotment East
John Kava
Flower spike
Granite Mtn - Tr 308
Sue Smith
Flower spur
Granite Mtn - Tr 308
Sue Smith
Granite Mtn - Tr 308
Sue Smith
Plant - summer
Coconino NF Walker Basin Allotment West
John Kava
Young plant - winter
Coconino NF Walker Basin Allotment East
John Kava
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Slender stems above mostly basal leaves have spike-like clusters if irregular-shaped blue and white flowers; occasional reduced stem leaves.
Identification notes: Distinguished from other Delphinium by mostly leafless stems and flowers with blue sepals and white petals. Flowers irregular petal-like sepals and a long spur. Flowers along a spike-like stem.
Height: 30 inches


Habitat Description: Gravelly mesas, hillsides, open desert, juniper woodlands and grasslands, ponderosa pine forests.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 1500 - 8500 feet

Flower Characteristics

Color: Blue and white     Shape: Irregular in elongated clusters     Tubular: N     Flowering Period: Mar - May
Description: Has 4 royal blue petals and 1 white petal at center and 5 sepals to 1 inch wide with backward projecting spur. Clustered on spike-lik stems of 5-15 flowers.

Leaf and Stem Characteristics

Leaf Color: Dark green     Leaf Type: Simple     Leaf Shape: Palmate     Leaf Margin: Lobed     Leaf Attachment: Basal and alternate     Leaves Clasp: N
Hairs: No     Spines: N
Leaf Description: Palmately divided into lobes with rounded tips to 2-1/2 inches wide.

Fruit and Seed Characteristics

Fruit Color: Green   
Fruit Type: Capsule
Fruit Notes: 3 section green seed capsule to 1/2 inch. 3 times longer than wide.
Seed Notes: Seeds are smooth, brick-shaped, dark brown.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 7.0  
Last Updated: May 10, 2017  
Content Questions/Comments: Email Jeff Schalau  
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