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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Scutellaria siphocampyloides (Grayleaf skullcap)
Hardie-Scott, Linda

Scutellaria siphocampyloides

Scutellaria siphocampyloides Vatke

Grayleaf Skullcap

Lamiaceae (Mint Family)

Synonym(s): Scutellaria angustifolia var. canescens, Scutellaria austiniae, Scutellaria siphocamyploides

USDA Symbol: SCSI6

USDA Native Status: L48 (N)

A low plant with pairs of deep blue-violet, bilaterally symmetrical flowers angling upward atop erect stems.

The species is representative of several skullcaps with dark blue-violet flowers. Narrowleaf Skullcap (S. angustifolia), which grows from eastern Washington south to southeastern Oregon and east to northern and central Idaho, has leaves with definite stalks and a corolla 3/4-1 1/4" (2-3 cm) long. Snapdragon Skullcap (S. antirrhinoides), found from southern Idaho to southern Oregon, northern California, central Nevada, and Utah, has flowers only 1/2-3/4" (1.5-2 cm) long.

 

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 20 inches tall.
Fruit: Nutlets.

Bloom Information

Bloom Color: White , Blue , Violet
Bloom Time: May , Jun , Jul , Aug , Sep

Distribution

USA: CA
Native Distribution: Most of California.
Native Habitat: In gravelly or rocky places among pines and brush.

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FACU FACU
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 36 - Jepson eFlora (2019) The Jepson Herbarium, University of California, Berkeley
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Scutellaria siphocampyloides in USDA Plants
FNA: Find Scutellaria siphocampyloides in the Flora of North America (if available)
Google: Search Google for Scutellaria siphocampyloides

Metadata

Record Modified: 2023-04-07
Research By: TWC Staff

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