Acanthus ilicifolius

The flowers are much liked by Black Beetles common in Bhitarkanika. It is polyphagus but prefers Acanthus ilicifolius flowers. I received specimen from the region many times and forwarded it to the Entomologists but failed to get correct identification.
It reminds me of Chrysolina madrasae beetles feeding on Blumea lacera as I reported it on Blumea as first record during my undergraduate studies.
Oudhia, P. and B.S. Thakur. 1996. New record of the leaf beetle on a weed. Current Research 25:218.

There is one more aspect of A. ilicifolius. The population of A. ilicifolius is a good indication of how healthy that particular mangrove forest is. If the population of this species is hight to very high, it is an indication of degraded land. That is to say, a healthy mangrove forest would have a limited population of A. ilicifolius!

Absolutely right … this one of the ecological aspect of Mangroves and i can say as bioindication. Now a days the population of a. ilicifolius has come up to Rajnagar, around 60 km from estuary where once magrove was dominated. I found so many large patch of A. ilicifolius in Bhitarkanika.

Wild plant ID request – RK54 – 12-Dec-2012:
Request id of this plant from Vasai region. It is around 3 feet tall. The plant has spines and the leaves too have sharp spines.

Reminds me of Ilex aquifolium, but I may be wrong.

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Flora of Kaiga – Kali river 18052013PJ2 :  Attachments (1).  1 post by 1 author.

Sharing Acanthus ilicifolius, a mangroves of River Kali. These areas are ideal for nature study, bird watching , boating, fishing etc..
Date/Time-: 2/05/13 – 08:30am
Location- Place, Altitude – Kaiga , Uttar Kannada ,Karnataka, 380 mtrs
Habitat- Garden/ Urban/ Wild/ Type- Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Tree
Height/Length- 1-2m

Interesting plants of AJCB Indian Botanic Garden: SEA HOLLY (Acanthus ilicifolius ) from Shibpur, Howrah, India: SCFEB29 :  Attachments (1). 2 posts by 2 authors.
Acanthus ilicifolius L. (Acanthaceae)

Konkan, May 2014 :: Acanthus ilicifolius :: 27MAY2014 :: ARK-14 :  6 posts by 4 authors. Attachments (6).
Requesting to please validate the ID (Acanthus ilicifolius) of this mangrove captured in a small village near the Konkan coast, Devgad, Maharashtra in May 2014.

So beautiful images.

Very beautiful flowers, seeing for the first time.. thanks for showing …

Beautiful pictures. Have yet to see this plant.

…, one plant is in Sagar Upvan….

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Thanks …, for the clarification. These are my responses for your queries:

1. Use of two names L. and Linn. is accepted only for Linnaeus (may be due to the long usage of Linn.). So its OK if you use either of these. But nowadays only L. is used. Using Linn. in not a mistake.
2. GRIN doesn’t provide all synonyms. There may be too many (remember recent posts by Dr.Pankaj listing large number of synonyms for one taxon) synonyms, and its not necessary to include all. These are included generally only by revisioners. Revd. Hb. to Flora of Ceylon provides detailed note on synonyms. We generally use only popular names and not all synonyms.
3. IPNI just lists all botanical names and doesn’t distinguish accepted and synonyms.
4. GBIF takes records from IPNI, so we need to cross check for author citation if we refer this facility.
5. In case of authority for the name Acanthus ilicifolius, both Loureiro (Lour.) and Linnaeus (L.) have used the same name for describing the species. May be Lour. was unaware of L.’s publication. Since L. published it (in 1753) before the publication of Lour. (in 1790), the Principles of Priority Rule of ICBN applies here. The earliest published name is accepted and the latter in this case is a latter homonym which is invalid.
Experts in the group may like to throw more light on this.
So, while providing authority we generally refer more than one sources, and we go into details if we find discrepancies. After all our wish is to ensure correctness rather than multiplying mistakes made in some websites.
BTW, please send me the list of Tamil names for verification. I would love to go through that.

Many thanks … for the clarifications.
Here is the list of Tamil names that have got populated in the site.
https://sites.google.com/site/indiannamesofplants/via-names/tamil

If you find any discrepancies OR would like to comment on any other aspect please do so by posting it to our group.
It will help people gain interest in the site’s contents.

Can’t believe that you are a nonbotnist.

A guess: Ilex aquifolium– in the absence of flowers and fruits it is a wild guess.