Notes For Reference:-

Species, Varieties, or Forms in the Genus Scrophularia:

Scrophularia buergeriana / Gomanohagusa
Scrophularia duplicatosserata / Hinanousutsubo
Scrophularia kakudensis / Oohinanousutsubo
　

Scrophularia kakudensis / Oohinanousutsubo オオヒナノウスツボ

Scrophularia kakudensis, a perennial herb approximately 1m in height, inhabits sunny grasslands or forest edges, characterized by enlarged fusiform roots and four-ridged stems. Leaves are of opposite phyllotaxis, 6-10cm in length, 3-5cm in width, in the shape of a long ovate or ovate, somewhat firm, tips pointed, with sharply serrated margins. Flowers, dark purple, 8-9mm in diameter, set themselves in conicals; pedicels are fat with glandular hairs, and corollas are poofy in the shape of a pod. Calyxes are bell-shaped and cleft into five lobes. Bloom time: June-September.