Gardneria angustifolia



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Climbing shrub from Uttarakhand for ID. : 4 posts by 3 authors. Attachments (4)
Climber or shrubs, but tendril not seen, upto 3 m long.
Leaves opposite, 7-10 x 1-2 cm; base acute-atanuate, margin entire or few toothed, apex long acuminate. Flower solitary from leaf base; peduncle 1-3 cm.
Chamoli (Uttarakhand), ca. 1800 m.
Id requested.

This looks like Gardneria angustifolia (Loganiaceae). 
Please check Flora of China for characters and illustration of Gardneria angustifolia



References:

Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993- details) 
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