Contains 16 accepted taxa overall.
Characteristics
Classification
Citation
SCUTELLARIA Linnaeus, Sp. Pl. 598. 1753.
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TYPE: Scutellaria peregrina Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 105. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Scutellaria altamaha | Altamaha Skullcap | |||
| Scutellaria australis | Southern Skullcap | |||
| Scutellaria elliptica var. elliptica | Hairy Skullcap | |||
| Scutellaria elliptica var. hirsuta | ||||
| Scutellaria incana var. australis | ||||
| Scutellaria incana var. punctata | Hoary Skullcap | |||
| Scutellaria integrifolia | Helmet Skullcap | |||
| Scutellaria lateriflora | Mad-dog Skullcap, Blue Skullcap | |||
| Scutellaria mellichampii | Mellichamp's Skullcap | |||
| Scutellaria multiglandulosa | Small's Skullcap | |||
| Scutellaria nervosa | Bottomland Skullcap, Veined Skullcap | |||
| Scutellaria ocmulgee | Ocmulgee Skullcap | |||
| Scutellaria ovata var. bracteata | ||||
| Scutellaria ovata var. ovata | Heartleaf Skullcap | |||
| Scutellaria racemosa | South American Skullcap | |||
| Scutellaria serrata | Showy Skullcap, Serrate Skullcap |
Identification Key
1. Most leaf blades conspicuously toothed, larger ones with >5 teeth
2
1. Most leaf blades with <5 teeth or the margins entire (rarely more than 5 teeth)
6
2. Leaf blade cordate at the base
2. Leaf blade truncate to cuneate or subcordate-cuneate at the base
3
3. Flowers in elongate axillary racemes, distinct from the main stem or branch; corolla 5-9 mm long
3. Flowers in terminal spikes or racemes, sometimes with axillary ones below; corolla 12-25 mm long
4
4. Distal leaves grading into the bracts subtending the flowers
4. Distal leaves larger and fairly distinct from the bracts subtending the flowers
5
5. Leaf blade upper surface with septate hairs ca. 1 mm long, the lower surface not much lighter than the upper surface
5. Leaf blade upper surface glabrate or the hairs minute, the lower surface lighter and strongly contrasted with the upper surface
6. Longer leaves 1.2-2.2 times longer than wide; corolla 3-18 mm long
7
6. Longer leaves 3-30 times longer than wide; corolla 4-6 mm long or 18-31 mm long
9
7. Calyx eglandular with short, uncinate hairs
7. Calyx glandular and with eglandular long, straight hairs
8
8. Annual or short-lived tap-rooted perennial; leaf blade base cuneate
8. Perennial with rhizomes; leaf blade base mostly truncate to subcordate
9. Corolla 4-6 mm long
9. Corolla 18-31 mm long
10
10. Rhizomatous, with fusiform tubers; leaves linear, 1-2.5 mm wide
10. Leaves ovate, elliptic, elliptic-oblanceolate, to obovate-lanceolate, 3-14 mm wide
11
11. Corolla glabrous, rarely minutely villosulous; flowering Aug-Oct
11. Corolla pubescent; flowering mostly Mar-Jul, rarely Sep
12
12. Stems to 70 cm tall, distal internodes longer to shorter than adjacent leaves; leaves spreading to ascending, without stipitate glands; corolla blue or pinkish
12. Stems to 35 cm tall, distal internodes typically shorter than the adjacent leaves; leaves typically ascending, with stipitate glands; corolla white to pale blue
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||