Delphinium treleasei Bush

Plant Height

Delphinium treleasei grows 0.61–0.91 meters (2–3 feet) tall, and produces loose, terminal racemes of blue to blush-purple flowers.

Bloom Period

This species blooms in spring, typically from May to June.

Individual Flower Size and Structure

Individual flowers are 25 millimeters (1 inch) long, complex, asymmetrical, and have five sepals.

Flower Spur Morphology

One sepal forms a spurred prong, the feature that gave the group its common name of larkspur.

Inflorescence Flower Count

Each inflorescence holds between 5 and 30 flowers.

Leaf Characteristics

Its deep green leaves are narrowly and deeply divided, pedate in shape, and are mostly basal.

Toxicity

All parts of Delphinium treleasei are poisonous when ingested.

Natural Habitat

The natural habitat of this species is open juniper glades growing on calcareous substrate.