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Keys in Flora of China and keys and details in A New Circumscription of Tadehagi and a New Genus Akschindlium (Leguminosae) (2003) (pdf). This publication says the distribution pattern differs between subsp. triquetrum and subsp. pseudotriquetrum; the former is not found in the Himalayas and is rare in Malesia.
1. Loments (pods) glabrous on lateral surfaces; leaflet-blade less than 3 times longer than broad, usually ovate or narrowly ovate. …… subsp. pseudotriquetrum
1. Loments (pods) densely to sparsely pubescent on lateral surfaces; leaflet-blade usually more than 3 times longer than broad, linear to narrowly oblong-ovate or narrowly ovate
… subsp. triquetrum


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Tadehagi alatum (DC.) H.Ohashi (Assam to Myanmar: Assam, Bangladesh, Myanmar as per POWO)

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Tadehagi pseudotriquetrum (DC.) Y.C.Yang & P.H.Huang (Himalaya to China and Indo-China, Nansei-shoto to Philippines, New Guinea: Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, India, Myanmar, Nansei-shoto, Nepal, New Guinea, Philippines, Taiwan, West Himalaya as per POWO)

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Tadehagi triquetrum (L.) H.Ohashi

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Binomial Habit Notes Ref. Distrib.
Desmodium triquetrum (L.) DC. (syn. of Tadehagi triquetrum (L.) H.Ohashi) Undershrub Western Ghats, Dry Deciduous Forests Flora of Tamil Nadu, VOL. I, 1983 Coimbatore, Kanniya kumari, Nilgiri, Theni, Tirunelveli

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Botanical name Synonyms Family Common name
Tadehagi triquetrum Desmodium triquetrum, Hedysarum triquetrum, Pteroloma triquetrum Fabaceae Trefle Gros

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Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993- Details with Keys
Desmodium pseudotriquetrum DC. synonym of Tadehagi pseudotriquetrum (DC.) Y.C.Yang & P.H.Huang
Desmodium triquetrum (L.) DC. synonym of Tadehagi triquetrum (L.) H.Ohashi,

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Flora of Davanagere District, Karnataka, India By B. K. Manjunatha, V. Krishna, T. Pullaiah (2004- Details with Keys
Desmodium triquetrum (L.) DC. synonym of Tadehagi triquetrum (L.) H.Ohashi,

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I have updated eFI (efloraofindia) pages on Desmodium, Codariocalyx, Dendrolobium, Dicerma, Hylodesmum, Phyllodium & Tadehagi

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

Any comments/ corrections are welcome.


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