Populus gamblei

Populus gamblei Dode, Extr. Monogr. Ined. Populus 63 1905. ;  

INDIA (West Bengal, Sikkim, Assam, Arunachal Pradesh, Nagaland); BHUTAN as per efi thread;
 

 https://08511630493324166816.googlegroups.com/attach/e6411e61255e1458/Populus%20gamblei-lvs.jpg?part=0.3&view=1&vt=ANaJVrFn_caIgG1iDD1aAUG8jWtoxrbr9DsNJAsre7tIdVsVBzxRpMwtHx7rWaQ6_ugkX6U-1KHqxnx_lQS_sLbHbRwf4t7vc-6uiM1HumzrDDB7CKlfckg
https://08511630493324166816.googlegroups.com/attach/e6411e61255e1458/Populus%20gamblei.jpg?part=0.2&view=1&vt=ANaJVrEcPYIa52ZoWypRFD6sBGcKLm2QBEwMDNb44acFBsd06W6H_NPCzO9xHzqrk_lC3NWCCAdqK2rwWokTfkK_yFE-wpZcCGHbSmjj_h6d4hrqjgcRk6M
https://08511630493324166816.googlegroups.com/attach/e6411e61255e1458/Populus%20gamblei-habit.jpg?part=0.1&view=1&vt=ANaJVrGTssUAZSv-zfgTe8g-VI-VL3WDfLztXpdEU5IIeKsrXz3aGb35njYMy2RLnCxFZhIJLNZGfft5egke9JteSW0h6B_cD1yzrw9QiXo405GCkNH_7i0
This species is not so common. These photographs are taken from Yachuli, near Yachuli Forest Rest House, Hapoli Forest House, Lower Subansiri District of Arunachal Pradesh.
Populus gamblei Dode
Large to medium-sized, lofty deciduous tree, 15-20 m high; branches long, spreading; Leaves alternate, simple; blades ovate. Catkin solitary, axillary, appearing with the leaves in the axil of leaf scars, sessile. Male catkins slender, cylindrical, pendulous, lax-flowered; male flowers pedicellate; bracteate; stamens 12-20; filaments glabrous. Infructescence 13-15.5 cm long; capsules oblong, linear; seeds many, broadly ellipsoid, with tufts of persistent and spreading hairs from base.
Fl.:February-March; Frt.: April-May.
Distribution: INDIA (West Bengal, Sikkim, Assam, Arunachal Pradesh, Nagaland); BHUTAN. 

Thanks ... for showing us this species.

 

References:

Catalogue of Life  POWO (Populus adenopoda Maxim.) The Plant List Ver.1.1  Tropicos  Populus gamblei Dode - a Tree New to Nagaland, India by H. B. Naithani, S. C. Deorani, T. Abenba Yaden (2005)  JSTOR | Global Plants: Type of Populus gamblei Dode [family ... 

Poplar Culture in North America edited by Donald Dickmann (2001) 

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