Family: Lamiaceae
Scullcap
John Zaborsky
Key to Wisconsin Scutellaria
Author: John G. Zaborsky
- 1a.Flowers borne solitary in the axils of the leaves, 2 per node; leaves sessile or nearly so (petioles not longer than 4 mm) 2
- 1b.Flowers borne in axillary or terminal racemes; leaves distinctly petiolate, the petioles longer than 4 mm 3
- 2a. Leaf margins toothed; corollas 15–20 (–23) mm long S. galericulata
- 2b.Leaf margins entire; corollas 6–11 mm long S. parvula
- 3a. Stems glabrous or sparsely pubescent with short, downward-curved hairs; racemes mostly axillary; corollas straight, 6–9 mm long S. lateriflora
- 3b.Stems densely pubescent with spreading glandular and/or eglandular hairs; racemes mostly terminal; corollas bent upward above the calyx and strongly curved, 12–23 mm long S. ovata
The generic and common names come from the small protuberance on the calyx, a feature not seen in any of our other mints
- leaves opposite
- inflorescences terminal and/or axillary
- corolla blue, bilaterally symmetrical, upper lip well developed
- style inserted deep into the base of the 4 lobes of the ovary
- calyx of essentially 2 obtuse lips with a protuberance or "little shield" across the top ("tractor seat")
