Botanical name: Lindenbergia macrostachya Family: Scrophulariaceae (Dog flower family)
Lindenbergia is a perennial herb found in lower Himalayas, up to 1800 m. It is a robust rigid pubescent or hairless plant. Leaves are ovate to ovate-lanceshaped, serrate, up to 7 cm long, tip pointed to long-pointed. Flowers are borne in rigid unilateral dense or lax-flowered spikes, yellow. Calyx is longer than bracts. Flowers are 2-lipped, lower lip large 3-lobed, ovary hairy. Capsule is enclosed in persistent calyx. The plant is closely similar to Lindenbergia philippensis from Eastern Himalayas. Flowering: March-May.
The flower labeled Lindenbergia is ...