Skullscap, Runyon’s Skullcap

Scutellaria drummondii

Family: Lamiaceae

Plant Description: Perennial to about one foot tall, forms loosely branched clumps. Leaves ovate, 5-20 mm long, opposite. Leaf blade margins of the mid and upper leaves usually entire, the lower ones sometimes minutely toothed, the teeth rounded. Flowers solitary, axillary, 2-lipped, bilateral; corolla 5-13 mm long, blue-violet with whitish blotch on lower lip.

Plant Trivia: The plant gets its name from the cap-like seed capsules that remain on the plant after the seeds are dropped.

Field Identification:

Occurrence: Frequent on various soils in prairies and openings or on beach shell.

Bloom Period: February – November

Plant Use:

Key to the species of Scutellaria:

  1. Leaves much wider than 14 mm……………………………………………………..S. ovata

Leaves usually 5-14 mm wide……………………………………………………………………..2

2. Leaves entire or nearly so…………………………………………………….S. drummondii

Leaves shallowly toothed (crenate)……………………………………….S. muriculata