Ixora

Ixora acuminata Roxb. (Assam, Manipur, Meghalaya, Mizoram, Sikkim, Tripura, West Bengal as per BSI Flora of India)

 

Ixora agasthyamalayana Sivad. & N.Mohanan (Images by E S Santhosh Kumar (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora balakrishnii Deb & Rout (E. Himalaya to Peninsula Malaysia: Assam, Bangladesh, Cambodia, East Himalaya, Malaya, Nicobar Is. as per POWO)

  

Ixora brachiata Roxb. (As per efi thread: Most important is buds are globose in Ixora brachiata and not so in Ixora pavetta.

Leaf base is attenuate to cuneate or acute, in Ixora brachiata and rounded in Ixora pavetta.
Leaf apex is obtuse to subacute in Ixora brachiata and is acute to apiculate in Ixora pavetta.
Fruits are reddish when ripe in Ixora brachiata and black-coloured when ripe in Ixora pavetta.
Ixora brachiata is endemic to Western Ghats while Ixora pavetta is native to India, Sri Lanka and Bangladesh and is also cultivated)
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Ixora casei Hance (Images by Gurcharan Singh & Balkar Singh (Id by Gurcharan Singh) (Inserted by J.M.Garg) (For more images & complete details, click on the links))- The species looks similar to I. coccinia with similar coloured flowers, as long corolla tube and and acute corolla lobes, but can be easily differentiated on the basis of longer narrowly elliptic leaves reaching 20 cm in length, leaves gradually narrowed towards base and with distinct up 4-7 mm long petiole, and narrower much more pointed corolla lobes.  

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Ixora chinensis Lam. (Cultivated) (Images by Gurcharan Singh (Inserted by J.M.Garg) (For more images & complete details, click on the links))-  Ixora chinensis looks similar to I. coccinea in smaller flowers but obtuse (and not acute) corolla lobes and leaves subsessile (and not sessile).

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Ixora coccinea L. (Cultivated & Wild) (Images by Gurcharan Singh, Surajit Koley, Dinesh Valke & Balkar Singh (Inserted by J.M.Garg) (For more images & complete details, click on the links))-  The species is widely cultivated and comes in a variety of colours but can be easily recognised by its smaller habit, sessile almost clasping oblong leaves baring reaching 10 cm, and flowers with corolla lobes usually less than 10 mm long. 

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Ixora cuneifolia Roxb. ? 

(Images by Sourav Mahmud (Id suggestion by Surajit Koley) (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora elongata B.Heyne ex G.Don (Images by Girish Kumar Ellezhuthil (Id by V R Vinayaraj, P S Udayan & N. Sasidharan) (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Ixora finlaysoniana Wall. ex G.Don (Cultivated) (Images by Gurcharan Singh & Ranjini Kamath (Id by Santhosh Kumar & Gurumurthi Hegde) (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora fulgens Roxb. (Images by Gurcharan Singh (Inserted by J.M.Garg) (For more images & complete details, click on the links))-  A species looking similar to Ixora coccinea but easily differentiated by its larger corolla lobes which are 1.5-2 cm long, leaves elliptic-lanceolate, up to 20 cm long, narrowed towards base and with 3-5 mm long petiole.

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Ixora johnsonii Hook.f. (Southern Western Ghats (Kerala) as per India Biodiversity Portal)
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Ixora malabarica (Dennst.) Mabb. (Images by Anurag N Sharma (Id by E S Santhosh Kumar) (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora nigricans R.Br. ex Wight & Arn. (Images by Anurag N. Sharma, Dinesh Valke (Id by Giby Kuriakose), P Santhan, Prashant Awale (id by Dinesh Valke & Divakar Mesta) & Rashida Atthar (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora notoniana Wall. ex G.Don (Images by Anurag N Sharma (Id by Navendu Page) (Inserted by J.M.Garg) (For more images & complete details, click on the links))

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Ixora pavetta Andr. (Wild & Cultivated) (As per efi thread: Most important is buds are globose in Ixora brachiata and not so in Ixora pavetta.

Leaf base is attenuate to cuneate or acute, in Ixora brachiata and rounded in Ixora pavetta.
Leaf apex is obtuse to subacute in Ixora brachiata and is acute to apiculate in Ixora pavetta.
Fruits are reddish when ripe in Ixora brachiata and black-coloured when ripe in Ixora pavetta.
Ixora brachiata is endemic to Western Ghats while Ixora pavetta is native to India, Sri Lanka and Bangladesh and is also cultivated)
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Ixora polyantha Wight (Images by E S Santhosh Kumar, Anurag N Sharma (Id by E S Santhosh Kumar) & Giby Kuriakose (Inserted by J.M.Garg) (For more images & complete details, click on the links)) 

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Ixora undulata Roxb. (Images by Surajit Koley (Inserted by J.M.Garg) (For more images & complete details, click on the links))

 

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BSI Flora of India Checklist Vol. 2 (Distribution):

Name Distribution
Ixora acuminata Assam, Manipur, Meghalaya, Mizoram, Sikkim, Tripura, West Bengal (Unplaced as per POWO and no distribution shown in India)
Ixora anthroantha Assam, Sikkim, West Bengal (No mention in POWO, CoL and IPNI)
Ixora balakrishnii Andaman & Nicobar Islands, Assam, Meghalaya, Mizroam, Nagaland, Sikkim (syn. of Ixora roxburghii Kuntze as per POWO)
Ixora barbata Andaman & Nicobar Islands, Bihar, West Bengal
Ixora brachiata Daman & Diu, Goa, Gujarat, Karnataka, Kerala, Maharashtra, Rajasthan, Tamil Nadu
Ixora brunnescens Andaman & Nicobar Islands
Ixora calycina Assam, Tamil Nadu, West Bengal
Ixora chakrabortyi Andaman & Nicobar Islands
Ixora chinensis Cultivated species
Ixora coccinea India
Ixora cuneifolia Arunachal Pradesh, Assam, Kerala, Mizoram, Tamil Nadu, West Bengal (cultivated)
Ixora diversifolia Andaman & Nicobarb Islands
Ixora elongata Karnataka, Kerala, Maharashtra, Tamil Nadu
Ixora finlaysoniana Endemic to India: Andaman & Nicobar Islands, Assam, Karnataka, Kerala, Maharashtra, Tamil Nadu, Uttar
Ixora grandifolia var. grandifolia (Andaman & Nicobar Islands)
var. kurzeana (Teijsm. & Binn.) Hook.f. (Andaman & Nicobar Islands) (syn. of Ixora kurziana (Teijsm. & Binn.) Kurz as per POWO)
var. rosella (Kurz) Hook.f. (Andaman & Nicobar Islands)
Ixora hymenophylla Andaman Islands
Ixora javanica Cultivated species (E. Himalaya to W. Malesia: Bangladesh, Borneo, Cambodia, East Himalaya, Jawa, Malaya, Myanmar, Sumatera, Thailand, Vietnam as per POWO)
Ixora johnsonii Kerala
Ixora lawsonii Karnataka, Kerala
Ixora macrothyrsa Cultivated species
Ixora malabarica Daman & Diu, Goa, Karnataka, Kerala, Maharashtra, Meghalaya, Tamil Nadu, West Bengal
Ixora multibracteata Andaman & Nicobar Islands (syn. of Ixora umbellata var. multibracteata (H.Pearson ex King & Gamble) Corner as per POWO)
Ixora nigricans Maharashtra, Odisha, Tamil Nadu
Ixora notoniana Karnataka, Kerala, Tamil Nadu
Ixora pavetta Bihar, Gujarat, Karnataka, Madhya Pradesh, Maharashtra, Odisha, Rajasthan, Uttar Pradesh, West Bengal
Ixora polyantha Karnataka, Kerala, Maharashtra
Ixora pradeepii Kerala (No mention in POWO, CoL and IPNI)
Ixora pseudoacuminata Arunachal Pradesh, Assam, Meghalaya, Nagaland
Ixora pubirama Andaman & Nicobar Islands
Ixora rangonensis Assam
Ixora ravikumarii No distribution given (SW. India (Tamil Nadu) as per POWO)
Ixora saulierei Tamil Nadu (syn. of Ixora notoniana Wall. ex G.Don as per POWO)
Ixora subsessilis Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Tripura, West Bengal
Ixora thwaitesii Andaman & Nicobar Islands, Kerala
Ixora undulata Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Meghalaya, Odisha, Sikkim, Tamil Nadu, Tripura, Uttar Pradesh, West Bengal
Ixora vinniei Andaman & Nicobar Islands
Ixora williamsii Cultivated species (syn. of Ixora casei var. casei as per POWO)

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Flora of Peninsular India:
Ixora acuminata (Unplaced as per POWO and no distribution shown in India)
Ixora agasthyamalayana (Kerala)
Ixora alba (Kerala)
Ixora arborea (syn. of Ixora pavetta Andrews as per POWO)
Ixora beddomei (Kerala)
Ixora brachiata
Ixora chinensis
Ixora coccinea
Ixora coccinea var. lutea (syn. of Ixora coccinea var. coccinea as per CoL)
Ixora cuneifolia
Ixora elongata
Ixora finlaysoniana
Ixora gamblei (Karnataka, Kerala)
Ixora javanica
Ixora johnsonii
Ixora lanceolaria (syn. of Ixora malabarica (Dennst.) Mabb. as per POWO)
Ixora lawsonii
Ixora leucantha var. malabarica (syn. of Ixora gamblei V.S.Ramach. & V.J.Nair as per CoL)
Ixora lutea (syn. of Ixora coccinea var. coccinea as per POWO)
Ixora macrothyrsa
Ixora malabarica
Ixora monticola (syn. of Ixora ravikumarii Kottaim.)
Ixora nigricans
Ixora notoniana
Ixora polyantha
Ixora saulierei (syn. of Ixora notoniana Wall. ex G.Don as per POWO)
Ixora sivarajiana (syn. of Ixora notoniana Wall. ex G.Don as per POWO)
Ixora thwaitesii
Ixora undulata
Ixora williamsii (syn. of Ixora casei var. casei as per POWO)

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From Floral Database of Tamilnadu :

Binomial Habit Notes Ref. Distrib.
Ixora
brachiata Roxb. ex DC.		 Tree Western Ghats,
Dry Deciduous to Moist Deciduous Forests		 Flora of Tamil
Nadu, VOL. II, 1987		 Coimbatore,
Kanniya kumari, Nilgiri, Tirunelveli		  
Ixora coccinea L. Shrub Plains
to Low Altitude, Cultivated		 Flora
of Tamil Nadu, VOL. II, 1987		 All
districts
Ixora cuneifolia Roxb. ex DC. Shrub Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Coimbatore  
Ixora elongata Heyne ex G.Don. Shrub Western
Ghats,  Moist Deciduous Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Coimbatore  
Ixora finlaysoniana Wall. ex G.Don Shrub Plains,
Cultivated, Native of Malaysian
Region		 Flora
of Tamil Nadu, VOL. II, 1987		 Coimbatore,
Madurai, Tiruchchira ppalli		  
Ixora johnsoni Hook.f. Under shrub Western
Ghats, Evergreen Forests		 V.
Bala subra maniam, G. Thiru maran & V.S. Rama chandran, J. Econ. Taxon. Bot
–   29(2) 2005		 Nilgiri  
Ixora leucantha Heyne ex G. Don. Shrub Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Tirunelveli  
Ixora malabarica (Dennst.) Mabberley Shrub Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Kanniya kumari,
Tirunelveli		  
Ixora monticola Gamble Shrub Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Theni  
Ixora nigricans R.Br. ex Wight & Arn. Tree Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Coimbatore,
Kanniya kumari, Theni, Tirunelveli
Ixora notoniana Wall.ex G. Don. Tree Western
Ghats, Evergreen Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 Coimbatore,
Dindigul, Nilgiri, Theni		  
Ixora pavetta Andr. Tree Dry
Evergreen to Dry Deciduous Forests		 Flora
of Tamil Nadu, VOL. II, 1987		 All
districts
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Gardening in India By George Marshall Woodrow, G Marshall (1999- Details-
Ixora acuminata Thwaites is a synonym of Ixora thwaitesii Hook.f., 
Ixora lanceolaria Colebr. (syn. of Ixora malabarica (Dennst.) Mabb.) &
Ixora macrothyrsa (Teijsm. & Binn.) T.Moore)
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Floriculture in India By Gurcharan Singh Randhawa, Amitabha Mukhopadhyay (1986- p. 151- Brief details-
Ixora acuminata Thwaites is a synonym of Ixora thwaitesii Hook.f., 
Ixora armeniaca,
Ixora barbata Roxb. ex Sm.,
Ixora lutea Hutch. is a synonym of Ixora coccinea var. coccinea ,

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Indian Medicinal Plants: An Illustrated Dictionary edited by C.P. Khare (2007- Details-

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An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995- Details with Keys–
Ixora notoniana Wall. ex G.Don &
Ixora pavetta)

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A Revised Handbook to the Flora of Ceylon -, Volume 12 By M. D. Dassanayake (1998- Details with keys– Ixora calycina Thwaites, 
Ixora jucunda Thwaites,

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Flora of Davanagere District, Karnataka, India By B. K. Manjunatha, V. Krishna, T. Pullaiah (2000- Details with keys–

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Botanical name Synonyms Family Common name

Ixora brachiata Rubiaceae Gorbale
Ixora chinensis Rubiaceae Chinese Ixora
Ixora coccinea Rubiaceae Ixora pink
Ixora coccinea Rubiaceae Ixora red
Ixora coccinea Rubiaceae Ixora yellow
Ixora elongata Ixora pedunculata Rubiaceae Rosy Ixora
Ixora nigricans Ixora affinis, Ixora arguta, Pavetta erubescens, Ixora plumea Rubiaceae Black Ixora
Ixora pavetta Ixora arborea, Ixora parviflora, Ixora decipiens Rubiaceae Small Flowered Ixora
Ixora polyantha Rubiaceae Many-Flowered Ixora
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Ixora :  1 post by 1 author.

I have updated eFI (efloraofindia) page on Ixora

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

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), 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.

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There is a lot of confusion between these species, including in our database.
I could not find any difference between the two on net.
After deeply studying all posts in efi site along with Biotik and Pitchandikulam, I found the following key differences to separate the two based on photographs:
Most important is buds are globose in Ixora brachiata and not so in Ixora pavetta.
Leaf base is attenuate to cuneate or acute, in Ixora brachiata and rounded in Ixora pavetta.
Leaf apex is obtuse to subacute in Ixora brachiata and is acute to apiculate in Ixora pavetta.
Fruits are reddish when ripe in Ixora brachiata and black-coloured when ripe in Ixora pavetta.
Ixora brachiata is endemic to Western Ghats while Ixora pavetta is native to India, Sri Lanka and Bangladesh and is also cultivated.
Based on this I am reviewing all the posts in efi site.

That is correct

quote ” buds are globose in Ixora brachiata”
yes, they over look like white matchstcks with those globular buds