Species in the genus Ixeris:

Ixeris dentata / Nigana ニガナ

Ixeris dentata, a perennial herb common in sunny places like roadsides or grasslands, stands erect to grow to 20-50cm. Its radical leaves have long petioles, blades being 3-10cm in length, 0.5-3cm in width, in the shape of a broad-lanceolate to obovate-like long-oblong. On-stem leaves are short, with no petioles; bases are protrusive roundly and embrace stems. Yellow flowers set themselves as flower heads on branch tops, and ligulate flowers are 5 in general. Bloom time: May-July.