Canthium angustifolium Roxb. (India to Thailand: Assam, Bangladesh, India, Thailand as per POWO)
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Canthium coromandelicum (Burm.f.) Alston (Bangladesh; India; Sri Lanka as per Catalogue of Life)

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Canthium rheedei DC. (W. & S. India, Sri Lanka as per POWO)


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BSI Flora of India Checklist (Distribution):

Name Distribution
Canthium angustifolium Arunachal Pradesh, Assam, Karnataka, Kerala, Meghalaya, Tamil Nadu, West Bengal
Canthium coromandelicum Andhra Pradesh, Assam, Bihar, Karnataka, Kerala, Meghalaya, Odisha, Tamil Nadu
Canthium gracilipes Andaman & Nicobar Islands, Assam, Meghalaya
Canthium merrillianum DOUBTFUL TAXA
Canthium neilgherrense Endemic to India: Kerala, Tamil Nadu (syn. of Canthiumera neilgherrensis (Wight) K.M.Wong as per POWO)
Canthium parvifolium Assam, Bihar, Meghalaya, Mizoram, Nagaland, Tripura, West Bengal
Canthium rheedei Maharashtra, Kerala, Tamil Nadu
Canthium travancoricum Maharashtra, Kerala, Tamil Nadu

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Flora of Peninsular India:
Canthium angustifolium
Canthium coromandelicum
Canthium glabrum (syn. of Canthiumera glabra (Blume) K.M.Wong & Mahyuni as per POWO. Distribution as per CoL)
Canthium neilgherrense (syn. of Canthiumera neilgherrensis (Wight) K.M.Wong as per POWO)
Canthium neilgherrense var. chartacea
Canthium parviflorum Lam. (syn. of Canthium coromandelicum (Burm.f.) Alston as per POWO)
Canthium rheedei
Canthium travancoricum


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From Floral Database of Tamilnadu :

Binomial Habit Notes Ref. Distrib.
Canthium angustifolium Roxb. Shrub Western Ghats
& Eastern Ghats, Moist Deciduous Forests
Flora of Tamil
Nadu, VOL. II, 1987; Ranji thakani et al. 1992
Kanniya kumari,
Salem, Tirunelveli
Canthium coromandelicum (Burm. F.) Alston Shrub Dry
Evergreen to Dry Deciduous Forests
Flora
of Tamil Nadu, VOL. II, 1987
All
districts
Canthium ficiforme Hook.f. is a synonym of Psydrax ficiformis (Hook.f.) Bridson Tree Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987; Gamble 1957
Coimbatore,
Theni, Tirunelveli
Canthium neilgherrense Wight var. chartacea (Gamble) Swamin. Tree Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Dindigul,
Nilgiri
Canthium neilgherrense Wight var. neilgherrense Shrub/
small tree
Western
Ghats, Evergreen Forests
Flora

of Tamil Nadu, VOL. II, 1987

Nilgiri,
Theni, Tirunelveli
Canthium rheedii DC. (Canthium rheedei DC.) Shrub Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Dindigul,  Kanniya kumari, Nilgiri, Tirunelveli,
Tiruvanna malai
Canthium travancoricum (Bedd.) Hook.f. Tree Western
Ghats, Moist Deciduous Forests
Flora
of Tamil Nadu, VOL. II, 1987
Coimbatore,
Kanniya kumari, Theni, Tirunelveli

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Botanical name Synonyms Family Common name
Canthium angustifolium Dondisia leschenaultii, Canthium leschenaultii, Canthium trachystyle Rubiaceae Narrow Leaved Canthium
Canthium coromandelicum Canthium parviflorum, Plectronia parviflora, Paederia valli-kara, Webera
tetrandra
Rubiaceae Coromandel Boxwood
Canthium diccocum is a synonym of Psydrax dicoccos Gaertn. Canthium didymum, Psydrax dicoccos Rubiaceae Ceylon Boxwood

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Some species found in India with description & keys from Flora of China :
Canthium horridum Blume (Thickets at low elevations; near sea level to 500 m. Guangdong, Guangxi, Hainan, Yunnan [India, Malaysia, Thailand, Vietnam])

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Details with keys
Canthium dicoccum var. umbellatum (Wight) Santapau & Merchantis a synonym of Psydrax umbellata (Wight) Bridson
Canthium parviflorum LAM. is a synonym of Canthium coromandelicum (Burm.f.) Alston

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Medicinal Plants in Andhra Pradesh, India By T. Pullaiah (2002)- Details with illustration-
Canthium dicoccum (GAERTN.) TEIJSM. & BINN. Var. dicoccum (? Canthium dicoccum (Gaertn.) Merr. is a synonym of Psydrax dicoccos Gaertn.)

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Flora of Davanagere District, Karnataka, India By B. K. Manjunatha, V. Krishna, T. Pullaiah (2004)- Details with keys
Canthium dicoccum var. umbellatum (Wight) Santapau & Merchantis a synonym of Psydrax umbellata (Wight) Bridson
Canthium parviflorum LAM. is a synonym of Canthium coromandelicum (Burm.f.) Alston


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Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993)-
Canthium didymum C.F.Gaertn.is a synonym of Psydrax dicoccos Gaertn.

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From Biotik :
Canthium dicoccum (Gaertn.) Teys. & Binn.  (? Canthium dicoccum (Gaertn.) Merr. is a synonym of Psydrax dicoccos Gaertn.)
Canthium neilgherrense Wt.
Canthium travancoricum J.Hk.


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Forest trees of South India: Goa, Karnataka, Kerala, Tamil Nadu, Pondicherry, Andhra Pradesh and neighbouring states like Maharashtra by S. G. Neginhal, 2004 – Nature447 pages
…… Canthium ficiforme Hook. f. (Plectronia ficifonnis Gamble) (is a synonym of Psydrax ficiformis (Hook.f.) Bridson) South West India.  …………

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Canthium & Psydrax : 1 post by 1 author.

I have updated eFI (efloraofindia) page on Canthium & Psydrax

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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Canthium‎‎ (Rubiaceae) page with comparative images:
Pl. go through‎ Canthium‎‎ (Rubiaceae) page with comparative images of species in efloraofindia. On clicking the link of species, one can check the complete details. Genus pages generally give details of most of the species found in India.
I request you to pl. go through & point out mistakes, if any. I hope this will aid in identification in future. If anybody can send images of other species of this genus (for incorporation in the website), if any, or can identify unidentified images, it will be really nice. Pl. circulate it widely, for the benefit of all concerned.


 

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