Oblong-Leaf Henckelia
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Oblong-Leaf Henckelia
P Native Photo: Momang Taram
Common name: Oblong-Leaf Henckelia
Botanical name: Henckelia oblongifolia    Family: Gesneriaceae (Gloxinia family)
Synonyms: Chirita oblongifolia, Roettlera oblongifolia, Lysionotus bijantiae

Oblong-Leaf Henckelia is s a perennial herb with stems erect, 45-90 cm, rust-brown finely velvet-hairy towards the top. Flowers are white with yellow at throat, 4-4.3 cm, outside sparsely finely velvet-hairy, inside hairless; tube funnel-shaped, 2.7-3 x about 1.2 cm; upper lip about 7 mm; lower lip about 1.2 cm. Filaments about 1.3 cm, hairless; anthers fused by entire upper surfaces, about 1.5 mm, hairless; staminodes 3, central about 0.6 mm, laterals about 6 mm. Pistil about 2.5 cm, finely velvet-hairy; ovary about 2 cm. Stigma about 2-5 mm, notched or 2-lobed. Flower-stalks are 0.5-1.5 cm, densely rust-brown finely velvet-hairy. Sepal-cup is 1.1-1.4 cm, 5-lobed from above middle; tube 7-9 mm; sepals equal, triangular, 3-5 mm. Flowers are borne in 5-7-flowered cymes, carried on flower-cluster-stalk 1.8-3.8 cm, densely rust-brown finely velvet-hairy. Bracts are 2, free, narrowly ovate, about 6 x 2-3 mm. Leaves are up to 8 or more, along stem, opposite, widely spaced; leaf-stalk 1.6-4.5 cm x 1.5-2 mm; leaf blade oblique, ovate to elliptic or oblong, 8-18 x 5-10 cm, papery, densely finely velvet-hairy, densely yellow glandular, base oblique, wedge-shaped to heart-shaped, margin finely toothed, tip tapering; lateral veins 8-13 on each side of midrib, prominent. Capsule erect, 5-7 cm. Oblong-Leaf Henckelia is found on mountains in evergreen broad-leaved forests, at altitudes of 800-1200 m, in NE India, N Myanmar and China. Flowering: August-September.

Identification credit: Momang Taram Photographed in Upper Siang & Papum pare, Arunachal Pradesh.

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