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Delphinium gypsophilum

Endemic central California perennial herb in the Ranunculaceae with 0.5–1 m tall pale whitish-green stems and pale chalk-white cylindrical inflorescences of up to 30 flowers on short pedicels, spurs 1–1.5 cm long, occurring in Cismontane woodland and valley/foothill grasslands at 190–350 meters, and moderately threatened by grazing and possibly road widening.

Is Delphinium gypsophilum growing in your garden? Record it and all of your plants in Known.

Common Names

Gypsum-Loving Larkspur, Pinoche Creek Larkspur, Small-Flowered Gypsum-Loving Larkspur

Summary

Gypsum-loving larkspur is a California-endemic perennial herb reaching 0.5–1 m in height, with a pale whitish-green stem and cylindrical inflorescences bearing up to 30 flowers on short pedicels; flowers are chalk-white, sometimes pink or light blue, with a spur 1–1.5 cm long, native to central California woodlands and grasslands.

In cultivation it prefers full sun to partial shade and dry to light watering, thrives in clay or rocky soils, is drought-tolerant, and occurs in Foothill Woodland and Valley Grassland communities; it attracts hummingbirds and bees.

Lifecycle

Annual and Perennial

Height

1.5–3 feet

Sunlight Requirements

Ideally full sun or partial shade.

Soil Type

Gypsum-rich soil

Bloom Color

White to pale blue with occasional pink

Bloom Time

Spring to Summer

Growth Rate

Not specified

Seasons of Interest

Spring and Summer

Attracts Wildlife

Attracts bees, hummingbirds, butterflies, other pollinators, and birds

Taxonomy

Taxonomic Rank
Species
Author
Ewan
Publication
Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 189 (1945)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Ranunculales
Family
Ranunculaceae
Genus
Delphinium

Synonyms

Delphinium gypsophilum subsp. gypsophilum

References

Delphinium gypsophilum - Gypsum Loving Larkspur. calscape.org.
Delphinium gypsophilum. en.wikipedia.org.
Delphinium gypsophilum | International Plant Names…. ipni.org.
Taxonomy browser (Delphinium gypsophilum). ncbi.nlm.nih.gov.
Delphinium gypsophilum Ewan | Plants of the World …. powo.science.kew.org.
Delphinium gypsophilum ssp. parviflorum. rareplants.cnps.org.
Delphinium gypsophilum. species.data.kew.org.
Delphinium gypsophilum - University and Jepson Her…. ucjeps.berkeley.edu.
Delphinium gypsophilum - Calflora. calflora.org.
Delphinium gypsophilum – The Watershed Nursery Coo…. watershednursery.com.
World Flora Online. worldfloraonline.org. June 2024.