Sphaeropteris brunoniana ?
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Sphaeropteris brunoniana (Hook.) R.M. Tryon, Contr. Gray Herb. 200: 21 1970. (syn: Alsophila brunoniana Hook.; Alsophila contaminans var. brunoniana (Wall. ex Hook.) generic SCOTT ; Alsophila contaminans var. inermis Kurz ; Alsophila contaminans Wall. ex Hook. ; Alsophila sollyana Griff. ; Cyathea brunoniana (Wall. ex Hook.) C.B. Clarke & Baker ; Cyathea hainanensis Ching in Ching & C. H. Wang ; Sphaeropteris hainanensis (Ching in
Ching & C. H. Wang) R.M. Tryon ) ?; .
SE. Nepal to China (Yunnan) and Indo-China: Assam, Bangladesh, China South-Central, East Himalaya, Hainan, Laos, Myanmar, Nepal, Thailand, Tibet, Vietnam as per POWO; .
MSJune,2015/06 Cyatheaceae : 6 posts by 2 authors. Attachments (2) Place : Thenhlum-Tleu Road Sorry, photos are inadequate – everyone makes this mistake with tree-ferns, but to identify Cyathea species we need to see a close up of the underneath of a pinnule! This shows the hairs and little scales and make it possible to recognise which one it is.
I’m not even going to make a wild guess – it would be totally unreliable. Can the photographer throw a stone up at a leaf and get a little pit of pinna to fall off then make the close-up photo? Only then can it be named. Please try again! Pl. send the details as requested by … I think proper identification will be possible only if you can provide the under surface of the frond in a close view. From appearence of the plant and also from its place of occurrence, I think it may be Cyathea brunoniana.
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