Chassalia

Chassalia curviflora var. ophioxyloides (Wall.) Deb & B.Krishna (Indian Subcontinent to S. China and W. & Central Malesia: Andaman Is., Assam, Bangladesh, Borneo, Cambodia, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Lesser Sunda Is., Malaya, Myanmar, Nepal, Philippines, Sri Lanka, Sumatera, Thailand, Tibet, Vietnam as per POWO)

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BSI Flora of India Checklist (Distribution):
Chassalia curviflora (Wall.) Thwaites
var. curviflora (Meghalaya)
var. ellipsoides Hook.f. (Endemic to India: Meghalaya)
var. longifolia (Dalzell) Hook.f. (Assam, Tripura)
var. ophioxyloides (Wall.) D.B. Deb & B.Krishna (Andaman & Nicobar Islands, Andhra Pradesh, Arunachal Pradesh, Assam, Karnataka, Kerala, Meghalaya, Mizoram, Nagaland, Sikkim, Tamil Nadu)
Chassalia lushaiensis (C.E.C. Fisch.) Fisch. (Endemic to India: Mizoram)

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Flora of Peninsular India:
Chassalia curviflora var. longifolia
Chassalia curviflora var. ophioxyloides
Chassalia virgata (syn. of Chassalia curviflora (Wall.) Thwaites as per POWO)

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As per efi thread : Sarpagandha and Chasalia comes under the same family Rubiaceae. The inflorescence looks alike when in flower (except the size; flowers are smaller and straight in Sarpagandha). Sarpagandha plants are always smaller than Chasalia. Fruiting inflorescence of Sarpagandha is red whereas in Chasalia it is white. 

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Binomial Habit Notes Ref. Distrib.
Chassalia curviflora (Wall. ex Kurz) Thw. var. ophioxyloides (Wall.) Deb & Krishna Shrub Western Ghats,
Evergreen Forests		 Flora of Tamil
Nadu, VOL. II, 1987		 Coimbatore,
Dindigul, Kanniya kumari, Nilgiri,
Theni, Tirunelveli
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Botanical name Synonyms Family Common name
Chassalia curviflora var. longifolia Chassalia longifolia Rubiaceae Long-Leaved Chassalia
Chassalia curviflora var. ophioxyloides Chassalia ophioxyloides, Chassalia ambigua, Psychotria ophioxyloides Rubiaceae Curved Flower Snake Chassalia
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Floristic Diversity and Conservation Strategies in India: Angiosperms (selested groups) and ethnobotany by V. Mudgal, P. K. Hajra –Botanical Survey of India, Ministry of Environment and Forests, 2001:
Chassalia lushaiensis (C.E.C.Fisch.) Fisch. Eastern Himalaya and Mizoram
Chassalia staintonii (H. Hara) Deb & Mondal … (syn. of Chassalia curviflora (Wall.) Thwaites as per POWO)

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Chasalia (Rubiaceae) : 1 post by 1 author.

I have updated eFI (efloraofindia) page on Chasalia (Rubiaceae)

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.

If someone can provide complete list of Indian species with source references it will be wonderful.
Any comments/ corrections are welcome.

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Pl. go through ‎Chassalia (‎‎‎‎‎‎Rubiaceae) page with images of species (done by me) in efloraofindia.

If you find any mis-identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, it will be really nice.
Also, if anybody is interested to take up the activity of inserting images on efloraofindia pages from efloraofindia posts, pl. let us know.