Oberonia bicornis

Oberonia bicornis Lindl., Gen. Sp. Orchid. Pl.: 16 (1830). (Syn: Iridorkis bicornis (Lindl.) Kuntze; Iridorkis tenuis (Lindl.) Kuntze ; Malaxis bicornis (Lindl.) Rchb.f.Malaxis tenuis (Lindl.) Rchb.f.Oberonia tenuis Lindl.Oberonia umbonata Blatt. & McCann); 
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Assam to Bangladesh, S. India, Sri Lanka: Assam, Bangladesh, India, Sri Lanka as per POWO;
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Common name: Slender Oberonia
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Oberonia tenuis_241011GK_01:
Oberonia tenuis of Orchidaceae family. The size of a single flower is 2-3mm!
Distribution: South India and Sri Lanka. (I haven’t got any other relevant information about the distribution this tiny orchid)
In India, so far, It has been reported from mid elevation ranges of Karnataka, Kerala and Tamil Nadu.


Yes as … says it was bit of pain to deal with this tiny beauty! First to focus and then to correct the dance in the wind…
For long time I have been trying to get the close up shot of this pretty tiny flowers now with the new 105mm micro Nikkor I got it!


It’s really difficult to differentiate different Oberonias.
Is this(2-3mm) the smallest size of any orchid flower?


I have to check whether this is the smallest orchid flower, at least in India.
I would soon upload some more Oberonia flowers soon.


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735 ID wild Orchid Oberonia:
Please ID wild Orchid,

Location: Chathamattom Ernakulam Kerala INDIA

Altitude: 1000fsl
Flower date: 25DEC2025, 06.25pm
Habitat: wild epiphyte
Plant habit: micro Orchid obliquely stemless annually
Height: 05cm
Host tree: Tectona grandis
Leaves: alternate elliptic acute simple fleshy, size upto: 03×1.5cm, greenish purple
Flower: terminal spike inflorescence, purplish, clustered, non fragrant, diameter:03mm
Fruit: capsule green into brown ovoid ridges
Seed:


Please check Oberonia brachystachys Lindl.


Thank you very much for the ID suggestion for my plant, it is very close to O. brachystachys, but I observed some differences, please compare collage image, black and white image courtesy is of ResearchGate.


Please check Oberonia bicornis

Yes, it is Oberonia bicornis, dear …, thank you very much for ID my Orchid


There has been a mix up!!! This has at least two different species.


Which is the other species? I can not make out?

Yes, it is very close to O. bicornis.  Thank you very much for ID confirmation of my Orchid. There is not a mix, only images of the same plant,


 


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References:
POWO  Flowers of India
Updated on January 1, 2026

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