Acampe praemorsa var. longepedunculata

Andaman Is., Assam, Bangladesh, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Laos, Malaya, Myanmar, Nepal, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam, West Himalaya as per POWO;

The labellum of rigida is much smaller though flower is bigger. Stripe colours never matter except in ochracea where they are reddish. Rigida leaves are much broader and whole plant is much bigger than all other Acampe in the world.

Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt, Kew Bull. 24: 98 (1970).
Aerides rigida Buch.-Ham. ex Sm. in A.Rees, Cycl. 39(1): n.º 12 (1818).
Vanda multiflora Lindl., Coll. Bot.: t. 38 (1826).
Vanda longifolia Lindl., Gen. Sp. Orchid. Pl.: 215 (1833).
Acampe longifolia (Lindl.) Lindl., Fol. Orchid. 4: 1 (1853).
Acampe multiflora (Lindl.) Lindl., Fol. Orchid. 4: 1 (1853).
Acampe intermedia Rchb.f., Allg. Gartenzeitung 24: 217 (1856).
Acampe wightiana var. longipedunculata Trimen, Syst. Cat. Fl. Pl. Ceylon: 90 (1885).
Saccolabium longifolium (Lindl.) Hook.f., Fl. Brit. India 6: 62 (1890).
Gastrochilus longifolius (Lindl.) Kuntze, Revis. Gen. Pl. 2: 661 (1891).
Gastrochilus longifolius (Lindl.) Kuntze, Revis. Gen. Pl. 2: 661 (1891).
Acampe penangiana Ridl., J. Linn. Soc., Bot. 32: 358 (1896).
Vanda viminea Guillaumin, Bull. Soc. Bot. France 77: 336 (1930).
Acampe taiwaniana S.S.Ying, Chin. Fl. 9: 30 (1974).
Distribution: Trop. & Subtrop. Asia

This orchid is pollinated by rain drops, OMBROPHILY !!
OMBROPHILY !!... its new word for me Thanks ... Don't know why I could not came through this word beside I have been teaching embryology for two years
This was published this year only by few of my friends.
SK765 29 SEP-2017:ID : 4 posts by 3 authors. Attachments (2)
Location: Lakeside, Pokhara, Nepal 
Date : 13 August 2017
Altitude : 2600 ft.

Sorry for the low quality of images due to long distance!

This is Acampe rigida.
Thanks a lot for sharing.
KG :: 03 September 2012 - 0014:: Acampe rigida (Buch.-Ham. ex J.E. Smith) P.F. Hunt from Assam, India.: 3 posts by 2 authors. Attachments (2)Acampe rigida (Buch.-Ham. ex J.E. Smith) P.F. Hunt is now flowering in Assam, India.
Habitat: Epiphyte on tree trunks or large branches in riverine and secondary forest.
Distribution: Southern and east Africa, Sri Lanka, India, Burma, China, Taiwan, Thailand, Cambodia, Vietnam, Peninsular Malaysia.
Photograph taken from Jeypur RF.
No this cant be confirmed for sure. I NEED TO SEE THE WHOLE PLANT. This may not be rigida.
I agree to this as Acampe rigida!  
Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt : 4 very high resolution images.
Location: Kathmandu Valley
Date:  October 2020 
Elevation: 1350m.
Habitat  : Wild

Yes Acampe praemorsa var. longepedunculata. NIce to see babies too.