Acampe praemorsa var. longepedunculata (Trimen) Govaerts,
Skvortsovia 4(3): 75 (2018).
(Syn: Acampe intermedia Rchb.f.;
Acampe longifolia (Lindl.) Lindl.;
Acampe multiflora (Lindl.) Lindl.;
Acampe penangiana Ridl.;
Acampe praemorsa var. rigida (Buch.-Ham. ex Sm.)
Barbhuiya, D.Verma & Vik.Kumar
Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt;
Acampe taiwaniana S.S.Ying;
Acampe wightiana var. longipedunculata Trimen;
Aerides rigida Buch.-Ham. ex Sm.;
Gastrochilus longifolius (Lindl.) Kuntze;
Saccolabium longifolium (Lindl.) Hook.f.;
Vanda longifolia Lindl.;
Vanda multiflora Lindl.;
Vanda viminea Guillaumin);
Tropical & Subtropical Asia: 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;
Common name: Stiff Acampe
As per efi thread :
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.


367 ID wild orchid Acampe ochracea: 12 high res. images.
Please ID wild orchid,

Location: near Reserve Forest, Chathamattom, Ernakulam Dt, (Kochi) Kerala
Altitude: 1400fsl
Flower date: 17SEP2022
Habitat: wild moisture air plant roots on another tree
Plant habit: tree orchid, erect, semi hard stem 02cm base diameter, perennial
Host tree: Tectona grandis
Height: 17 inches
Leaves: alternate, lengthy, obtuse acute, soft fleshy, glossy, size upto:15×02 inches
Flower: axillary panicle racemose clustered, diameter:18mm, yellow with purple lines, non fragrant
Camera: CANON EOS1500D +FL10x

Before eight months, this was a dying orchid that conserved by me, but there is no spikes in the same kind plants growing in its exact habitat.

Acampe rigida!!

Yes, it is Acampe rigida, dear …, thank you very much for ID my plant

Now: Acampe praemorsa var. longepedunculata (Trimen) Govaerts ??


Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt: 8 high res. images.
Location: Surya Binayak, Bhaktapur, Nepal
Altitude: 1550m.
Date: 28 August 2023
Habit : Wild

Now : Acampe praemorsa var. longepedunculata (Trimen) Govaerts


Acampe praemorsa var. longepedunculata (Trimen) Govaerts: 4 high res. images.
Location: Surya Binayak, Bhaktapur, Nepal
Altitude: 1550m.
Date: 04 September 2023
Habit : Wild
Syn : Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt

Acampe rigida!!

Location: Chobhar, Kathmandu, Nepal
Date: 24 September 2023 
Altitude: 1500m.
Habitat : Wild
7 very high res. images.

Very nice habitat shots.
In HK this plant grows mainly on the rocks.

I have only seen on tall trees in Nepal !

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