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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

Bloom Information

Bloom Time: May , Jun , Jul


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

National Wetland Indicator Status

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

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


Record Modified: 2007-01-01
Research By: TWC Staff

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