Begonia hatacoa

Begonia hatacoa Buch.-Ham. ex D.Don, Prodr. Fl. Nepal. 223 1825. (syn: Begonia hatacoa var. rubrifolia Golding & Rekha Morris, without type.; Begonia hatacoa var. viridifolia Golding & Rekha Morris, without type.; Begonia rubrovenia Hook.; Platycentrum rubrovenium (Hook.) Klotzsch);

Assam; Bangladesh; East Himalaya; Myanmar; Nepal; Thailand; Vietnam as per Catalogue of Life;


Rhizomatous. Stems 10-30cm. Leaves ovate-lanceolate, 7-15x3-7cm, acuminate, base ± obliquely rounded, scarcely cordate, margin subentire or ± distantly dentate, pubescent on veins beneath; petioles 3-12cm; stipules ovate, up to 20x10mm, acuminate, persistent. Peduncles c 10cm, bearing a few flowers terminally; bracts similar to stipules. Outer perianth segments ovate, c 10x7mm, inner ones c 6x4mm, pink or white, streaked pink. Stamens numerous; connective produced. Capsule c 12x6mm, becoming reflexed, largest wing oblong, c 15x10mm.
Fl. May-October.
Wet, rocky river banks and shaded forests
(attributions- A.J.C. Grierson & D.G. Long. Flora of Bhutan. Published by RBGE. 1991 from Bhutan Biodiversity Portal


https://08511630493324166816.googlegroups.com/attach/11a9ae081320d/Begonia%20sp..JPG?part=0.1&view=1&vt=ANaJVrGeAAaDOcG1x98pY58pgIyXt10e5QEBYtd6QuXLbAd5qsDH2t-wl60q47JxsiJE6B63Nrhxm9GpFAKsGl0QRXyUCF2oTpkpyyIlS9vTCFZRHtxH1es
 
MS Jan.,2018/05 Begonia sp. for ID : 9 posts by 3 authors. Attachments (2)
Location : Tamdil, Mizoram
Date : 16-07-2016
Habit : Herb
Habitat : Wild

Begonia hatacoa

Yes looks like this..
The underside of leaves in this case was purple.. 

Pl. also check with the link of Monograph of NE Indian species, the link of which I sent you
Yes, I will also go with ... for Begonia hatacoa as per the following:

https://08511630493324166816.googlegroups.com/attach/4c335aa5fa699/Begonia%20(1).JPG?part=0.1&view=1&vt=ANaJVrHn1wLH8K734HFfwj7BopGSbmei0uhEDMXLFpqrjnUYDdB8pwLiA7sMrySFKD9z61dN_aauPGfC46A9sdwR8YEy9v8CGw45J46tBzI_ZIZzWFfrl48
 
https://08511630493324166816.googlegroups.com/attach/4c335aa5fa699/Begonia%20(3).JPG?part=0.3&view=1&vt=ANaJVrE8Dt08uRi1sYwpTlUgqRV-nUylfpC0EJKfAHeOZAFS31cs8tIjIy9B3evrsZUIo3Zy1_7dqC0cAl_JqrnxILbgFnluPn5PnfZoPdIuHcW9D7b5gys
Fwd: Begonia for identification from Arunachal : 4 posts by 2 authors. Attachments (3)
Please find attached herewith some images of Begonia hatacoa, recorded from Arunachal Pradesh, for addition to our database.

Thanks, ..., for wonderful addition along with those of ...
B. hatacoa for sure


Images by Saroj Kumar Kasaju, (For more photos & complete details, click on the links)
https://08511630493324166816.googlegroups.com/attach/1b6cde0a7e0dccaa/DSC_0789.JPG?part=0.2&view=1&vt=ANaJVrH8T1-xsO5EIx0pvxDbXnym-2vjfN9mFwmKYY56ixEK2hJjkSGZY1ekSfriCHR208LVTVZEHqQ7DABqitu1sZh-er4CvcSC6Lt_9V7MSF6rmif7TGI
https://08511630493324166816.googlegroups.com/attach/1b6cde0a7e0dccaa/DSC_0793.JPG?part=0.4&view=1&vt=ANaJVrH51im6aV9hDDgPShT0-uX_LQMkr-P2aHvB9oDdjsS3u8rDdamvZQjJsRvGsUqFMViidkKjKfSUoZ6PJ9avkfI_-uFrdbgu83r_cIyObdZ29HHzbxM

https://groups.google.com/group/indiantreepix/attach/1b6cde0a7e0dccaa/DSC_0796.JPG?part=0.1&authuser=0&view=1

https://groups.google.com/group/indiantreepix/attach/1b6cde0a7e0dccaa/DSC_0794.JPG?part=0.5&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/1b6cde0a7e0dccaa/DSC_0792.JPG?part=0.3&authuser=0&view=1
Begoniaceae : Begonia megaptera A. DC. : 3 posts by 3 authors. Attachments (5).
Date: 23 Jul, 2014
Location: Dolakha Nepal
Altitude : 5000 ft.
For validation.
From whatever little I know, it does look like Begonia megaptera. We have Begonia picta and Begonia dioica growing commonly here in Dharamshala at this height, but I haven't yet seen any megaptera.
https://groups.google.com/group/indiantreepix/attach/67323519e6941/DSC_0715.JPG?part=0.1&authuser=0&view=1
 
Location: Balaju, Raniban, Kathmandu, Nepal
Altitude: 4400 ft.
Date: 31 August 2013
Attachments (4)  

... has confirmed both entries as Begonia hatacoa Buch.-Ham. ex D.Don.
As such, need to be amended in the main efi page.
Thanks, ... Finally our Himalayan Begonias are identified properly.
 
https://08511630493324166816.googlegroups.com/attach/7751edc04538f/DSC_0428.JPG?part=0.2&view=1&vt=ANaJVrFe5HFVM0xR_1omXPOI1YdI0FPQLLmLTjpt8-oU8LmloDDnEEl8hyC6zFFnKBGLQZ6zftl9opeMfWIOzfp4rxIM8fr4uNw7xdp9LhkzYCrkek7jTsw
https://08511630493324166816.googlegroups.com/attach/7751edc04538f/DSC_0430.JPG?part=0.4&view=1&vt=ANaJVrHv7npkaUJkvsS6qSvNidh4EXMwT5wEdKsb5Lt5xRPOROO00077loKCXVazb1dBIUE4LkWcgV6JE7meSevntPE-0klFZv2AR_T7MTi5D98nvDh36C0
https://08511630493324166816.googlegroups.com/attach/7751edc04538f/DSC_0427.JPG?part=0.1&view=1&vt=ANaJVrFHSKmgC0cgeQdvv4sJYuTUyVDpZQTYTQsvW4VsTof8VWKCvKSMnMFK2ebPbWok5iIHaieWFoVYP_BukOWat44hKmn8iEiTl4esI2HVdTmN0XNt_OE
 
SK715 14 AUG-2017:ID : 6 posts by 2 authors. Attachments (4)
Location: Godawari, Nepal
Altitude: 5000 ft.
Date: 22 June 2017
Which Begonia ???

Wild? 
I guess it is from wild but planted in the botanical garden like other specimens !  

Begonia megaptera A. DC. ??

Yes, I also think it appear close to images at Begonia megaptera

Dr. Mark has confirmed this entry as Begonia hatacoa Buch.-Ham. ex D.Don

https://08511630493324166816.googlegroups.com/attach/197cbe838ce4a/DSC_0173.JPG?part=0.3&view=1&vt=ANaJVrGjzK3mOvLo5EGjEg5yF9baZunyfGqjFl2Up9MYNAdd1WUR-5WjpgAtRgdkYtA6__DT29mfOaqkRJHtLljyavIPb25hFnUfLa9HX6GaCkKA9fRTODk
https://08511630493324166816.googlegroups.com/attach/197cbe838ce4a/DSC_0176.JPG?part=0.4&view=1&vt=ANaJVrHTnqz5TR2ZNFvIZMJoFTjTAXpc8jDxCao9i4dfGjUE-4M48_WGSUx3BGuBjw-jRuvJFlDnfebCIiCVYbkY9KLYrQQ3G3BEWSkpRaju5kFCw8Yl5NU
https://08511630493324166816.googlegroups.com/attach/197cbe838ce4a/DSC_0172.JPG?part=0.5&view=1&vt=ANaJVrFaZ15xWA4tBSvDnK8YMuFyN2fLeVC0637l_Wlg7ZatFIB_lBAqyJ1Oo8vrL1_Lvp6BTyMsN5WOAw5vK0IhW4Uo62LmYs0FS4iBsnMUvGsrCNTWNEU
 
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https://08511630493324166816.googlegroups.com/attach/197cbe838ce4a/DSC_0174.JPG?part=0.2&view=1&vt=ANaJVrFpmEGsIb5MAjVruKqe0oQ0wSSYdBN3tSWraVNi2mbqy_UjlqxtkfIM6AwPu0uIuh7Mi2M7Fp8yFadtzMx1O2owhvo76Dxqb0Y5bXkD6cYY4xS6My0
https://08511630493324166816.googlegroups.com/attach/197cbe838ce4a/DSC_0179.JPG?part=0.1&view=1&vt=ANaJVrFmPNOCwFga8-84I3NkEXp5pGEgm_K7K5XyzhO8TAULQXZJqShZtBzveONHKoP6pHv2nughKj7VVtVZe6ODL_QHpJyk6ra5wB7y20josmVZYuaLqnw

Begonia hatacoa Buch.-Ham. ex D.Don. : 3 posts by 2 authors. Attachments (7)
Location: Gyaneswor, Kathmandu
Date: 19 June 2019
Elevation: 1300 m.




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