Pseuderanthemum arunachalense - Arunachal False Eranthemum

Arunachal False Eranthemum is a newly discovered species of False-Eranthemum, which is similar to the Thin-Flower False Eranthemum, but is easily distinguished from by its broad inverted-lanceshaped or broad elliptic, longer leaves and longer inflorescence, and other detailed features. Flowers are arrange in pair of opposite clusters of 8 at basal nodes of axis and gradually reduced to 3 towards the tip; flower-stalks 5-8 mm long, glandular hairy. Sepal-cup is 4-5-lobed, unequal, glandular hairy outside. Flowers are pink, 1.1-1.4 cm long; tube shorter than limb, broadly ovoid, swollen,4.5-5.5 mm long; limb 1-lipped, elliptic-lanceshaped, 6.5-8.5 mm long the entire lower surface and the base of upper surface densely glandular. Filaments are 1.4-2 mm long, slightly hairy at base. Style is 2.5-3.5 mm long, glandular hairy. Leaves 25-35 cm long; flower-cluster-stalk 2-2.5 cm long, glandular hairy; axis glandular hairy. Stem is round, glandular hairy when young. Leaves are broad inverted-lanceshaped or broad elliptic, 17-30 x 7.5-13 cm, hairless above, woolly along the nerves beneath, tip blunt to abruptly pointed. Inforescence is 25-35 cm long; flower-cluster-stalk 2-2.5 cm long, glandular hairy; axis glandular hairy. Capsule is 2.2-2.5 cm long. Arunachal False Eranthemum is endemic to Papum Pare District of Arunachal Pradesh in East Himalaya.