Table 1.
Detailed information on the main parts of the Scutellariae radix plant.
| Parts | Size | Shape | Color |
|---|---|---|---|
| Rhizome | 2 cm in diameter | Elongated and branched | – |
| Stem | 30 cm–120 cm | Obtuse quadrangular | Green |
| Blade | 1.5–4.5 cm long, 0.5–1.2 cm wide | Lanceolate to linear-lanceolate | Black-green |
| Raceme | 7–15 cm long | Conical | – |
| Bract | 4–11 mm | Lanceolate to linear-lanceolate (basal bract); Oval-lanceolate to lanceolate (upper bract) | – |
| Calyx | 4 mm (flowering stage); 5 mm (fruiting stage) | – | – |
| Scutellum | 1.5 mm (flowering stage); 4 mm (fruiting stage) | – | – |
| Corolla | 2.3–3 cm long | – | Purple, fuchsia, or blue |
| Nutlet | 1.5 × 1 mm | Ovoid | Black-brown |