Rhynchospora wightiana

Rhynchospora wightiana (Nees) Steud., Syn. Pl. Glumac. 2: 148 1855. (syn. Haplostylis wightianus Nees; Rhynchospora discolor Hochst. ex Steud.);
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RIN-koh-SPOR-uh — from the Greek rhynchus (beak) and spora (seed)Dave’s Botanary
WIGHT-ee-AY-na — named for Robert Wight, Scottish surgeon and botanist in IndiaDave’s Botanary
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commonly known as: Wight’s beak-sedge
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Distribution: s India, Sri Lanka, Vietnam, Java, New Guinea
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Plant to ID : 24112012 : RV 3:
I have found this grass growing in a small patch in the water logging area of my wadi, about 1 an 1/2 feet tall. Picture was taken on 3rd Oct,12, please help to Id it.


… could it be Rhynchospora wightiana (family: Cyperaceae) ?


I do not know how to identify a Rhynchospora. Found two species reported from India, there may be more –
  1. http://plants.jstor.org/specimen/g00191929
  2. http://plants.jstor.org/specimen/g00034304
Couldn’t find description of Rhynchospora wightiana
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Cyperaceae
Rhynchospora wightiana (Nees) Steud.
RIN-koh-SPOR-uh — from the Greek rhynchus (beak) and spora (seed)Dave’s Botanary
WIGHT-ee-AY-na — named for Robert Wight, Scottish surgeon and botanist in IndiaDave’s Botanary
commonly known as: Wight’s beak-sedge
Distribution: s India, Sri Lanka, Vietnam, Java, New Guinea
References: Flowers of IndiaSahyadri DatabaseKEW
at Yeoor Hills (part of Sanjay Gandhi National Park) on 30 AUG 09 

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which cyperaceae? : 6 posts by 3 authors. Attachments (1) – high res. image.
Location: Dahanu, Maharashtra.
Date: 11.10.17

Which cyperaceae member is this?


It is Rhynchospora of Cyperaceae; probably R.wightiana for no detailed description (It is upto 30 cm tall, spikelets in brown heads) it is found in moist areas, rice fields etc.,

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Yeoor Hills (part of Sanjay Gandhi National Park)- 30 AUG 09; … amber coloured flower of grass – indiantreepix | Google Groups


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In Narshapur forest, AP on 18/10/08, 80 Km. from Hyderabad For Id 141108JM2 – indiantreepix | Google Groups

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ID KKD 03/26: 1 image.
Please identify this grass from Kozhikode in Kerala. 12/3/26


Most probably, Rhynchospora wightiana Steud. Commonly known as Two color beak sedge.


Yes, maybe as per
https://indiaflora-ces.iisc.ac.in/FloraPeninsular/herbsheet.php?id=3389&cat=7



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References:
Updated on April 14, 2026

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