As per efi thread:
H. verticillatus has cladodes 2.5cm or longer, stiff, very sharp pointed bifid or rarely trifid …accidental prick is very painful, stinging. Plant about a meter tall or less, stout. Flowers light to deep shade of violet.
In H. tentaculatus cladodes are up to 1.5cm, soft, hairy, tip inconspicuously bifid, non-prickly.
Three varieties can be recognised by cladodes…

In var. plumosa cladodes are covered in dense soft white hairs, inflorescence which is actually terminal part of stem and branches, looking like plume.
In var. neilgherryensis  terminal spike of cladodes and flowers is densely packed, meaning by, internodes are very small. And of course cladodes not plumose.
Var. tentaculatus  seen in suitable habitat in Surat, is having cladodes sparsely hairy, nodes widely spaced.
Cladodes are pointed upwards in Haplanthodes tentaculatus (Nees) Majumdar or its two other varieties, while these are pointed either straight or downwards in Haplanthodes verticillatus (Roxb.) R.B.Majumdar  


Haplanthodes plumosa (T.Anderson) Panigrahi & G.C.Das


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Haplanthodes tentaculatus (Nees) Majumdar


Images by Dinesh Valke & (Inserted by J.M.Garg)

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Images by Prashant Awale (Inserted by J.M.Garg)


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Haplanthodes species in India:

  1. Haplanthodes neilgherrensis (Wight) R.B.Majumdar (syn. of Haplanthodes tentaculatus var. neilgherryensis as per New Names and Combinations in Indian Acanthaceae by John R. I. Wood (2014))
  2. H. plumosa (T.Anderson) Panigrahi & G.C.Das
  3. H. tentaculatus (L.) R.B.Majumdar
  4. H. verticillatus (Roxb.) R.B.Majumdar

References:

  1. Karthikeyan,
    S., Sanjappa, M. and Moorthy, S. 2009. Flowering Plants of India, Dicotyledons,
    vol-I (Acanthaceae- Avicenniaceae). Botanical Survey of India, Kolkata. pp. 18-19.
  2. eFI page 


Keys as per efi thread:
1. Cladodes more than 1.5 cm long, bristly hairy; Capsule glabrous……………..H. verticillatus
1. Cladodes less than 1.5 cm, not bristly; Capsule pubescent……………………..2
2. Calyx not as above…………………………………………………………….­………………H. tentaculata
2. Calyx sub plumose…………………………………………………………..­………………..H. plumosa
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Keys also available at
 

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Binomial Habit Notes References Distribution
Haplanthodes
neilgherryensis
(Wight) Majumdar (syn. of Haplanthodes tentaculatus var. neilgherryensis as per New Names and Combinations in Indian Acanthaceae by John R. I. Wood (2014))
Herb Western Ghats,
Evergreen Forests
Flora of Tamil
Nadu, VOL. II, 1987; Clarke 1884
Coimbatore,
Nilgiri
Haplanthodes verticillatus (Roxb.) Majumdar Herb Western
Ghats, Evergreen Forests
Flora
of Tamil Nadu, VOL. II, 1987
Coimbatore

 
 

Botanical name Synonyms Family Common name








Haplanthodes tentaculatus Haplanthus tentaculatus, Bremekampia tentaculata, Haplanthodes
neilgherryensis
Acanthaceae Tentacled Haplanthodes
Haplanthodes verticillatus Acanthaceae Spiny Bottle Brush

 
Endemic genera of Angiosperms in India: A Review by Sheeba J. Irwin* and D. Narasimhan Rheedea Vol. 21(1) 87-105 2 0 1 1 :
Haplanthodes nilgherrensis (Wight) R.B.Majumdar (syn. of Haplanthodes tentaculatus var. neilgherryensis as per New Names and Combinations in Indian Acanthaceae by John R. I. Wood (2014))
Haplanthodes plumosa (T.Anderson) Panigrahi & G.C.Das 
Haplanthodes tentaculatus (L.) R.B.Majumdar 
Haplanthodes verticillatus (Roxb.) R.B.Majumdar


 

Biodiversity in India, Volume 4 edited by T. Pullaiah (2006)- Details-
Haplanthodes tentaculata (L.) R.B.Majumdar (syn. Haplanthus tentaculatus (L.) Nees; Ruellia tentaculata L.)
Haplanthodes verticillata (ROXB.) MAJUMDAR (Syn. Haplanthus verticillata (Roxb.) Nees; Justicia verticillatus Roxb.)

 
Flora of Eastern Karnataka, Volume 2 By N. P. Singh (1988) – Details-
Haplanthodes verticillatus (Roxb.) R.B.Majumdar (Syn. Haplanthus verticillatus (Roxb.) Nees; Justicia verticillata Roxb.)


 
Hot spots of endemic plants of India, Nepal and Bhutan (1996) by M. P. Nayar–  Tropical Botanic Garden and Research Institute, 1996 – Science252 pages
Haplanthodes neilgherryensis (Wight) Majumdar; herb; common. W. Ghats. (syn. of Haplanthodes tentaculatus var. neilgherryensis as per New Names and Combinations in Indian Acanthaceae by John R. I. Wood (2014))
Haplanthodes plumosa (T. Anders.) Panigrahi & Das; vulnerable; herb.
Haplanthodes tentaculta (Linn.) Majumdar; herb; northern W. Ghats.
Haplanthodes verticillatus


 
Pl. go through Haplanthodes page 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.


 

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

If you find any mis-identification, pl. let us know.


  
 

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