Pseuderanthemum

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Pseuderanthemum carruthersii (Seem.) Guillaumin (Images by Gurcharan Singh (Inserted by J.M.Garg))

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Pseuderanthemum crenulatum (Wallich ex Lindley) Radl­kofer (Images by Aarti Khale (Identified by Nidhan Singh & Tanay Bose), Siva (Identified by Aarti Khale) & Alka Khare (Inserted by J.M.Garg))

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Pseuderanthemum latifolium (Vahl) B. Hansen (Images by Anurag N Sharma & Dinesh Valke  (Inserted by J.M.Garg))

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Pseuderanthemum laxiflorum (A. Gray) F.T. Hubb. ex L.H. Bailey (Images by Surajit Koley, Alka Khare, Dinesh Valke & Aarti Khale (Inserted by J.M.Garg))

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Eranthemum capense L. (Images by Dinesh Valke (Inserted by J.M.Garg))
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Eranthemum pubescens Roth (Images by Alka Khare (Inserted by J.M.Garg))

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Eranthemum pulchellum Andrews Images by Gurcharan Singh 

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Eranthemum purpurascens Wight ex Nees (Images by Gurcharan Singh (Inserted by J.M.Garg))

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Eranthemum roseum (Vahl) R.Br. (Images by Dinesh Valke & Alka Khare (Inserted by J.M.Garg))

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x Ruttyruspolia  ‘Phyllis van Heerden’ A.Meeuse & de Wet  ? (Images by Ranjit Singh Ahluwalia (Identified by Suarjit Koley) (Inserted by J.M.Garg))

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Pseuderanthemum Radlk. species in India: 
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Pseuderanthemum album (Roxb.) Radlk.
Pseuderanthemum bicolor (Schrank) Radlk.
Pseuderanthemum carruthersii (Seem.) Guillaumin (Cultivated)
Pseuderanthemum crenulatum (Wall. ex Lindl.) Radlk.
Pseuderanthemum indicum (Nees) A.M.Cowan & Cowan
Pseuderanthemum lapathifolium (Vahl) B.Hansen
Pseuderanthemum latifolium (Vahl) B.Hansen
Pseuderanthemum laxiflorum (A.Gray) F.T.Hubb. (Cultivated)
Pseuderanthemum leptanthus (C.B.Clarke) Lindau
Pseuderanthemum malabaricum (C.B.Clarke) Gamble (synonym of Pseuderanthemum latifolium (Vahl) B.Hansen)
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References
Karthikeyan, S., Sanjappa, M. and Moorthi, S. 2009. Flowering plants of India Dicotyledons volume 1 (Acanthaceae – Avicenniaceae). BSI, Kolkata. pp.35-36.
Efloraofindia 2007 onwards. Pseuderanthemum. Accessed at /species/a—l/a/acanthaceae/pseuderanthemum on 2-07-2020.

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From Floral Database of Tamilnadu : 

Binomial Habit Notes Ref.  Distrib.
Pseuderanthemum
malabaricum
(Clarke)
Gamble
syn. of
Pseuderanthemum
latifolium 		Under shrub Western Ghats
& Eastern Ghats, Moist Deciduous
to Evergreen Forests 		 Flora of Tamil
Nadu, VOL. II, 1987- 		 Coimbatore,
Theni,
Tirunelveli,
Tiruvanna
malai,
Virudhu
nagar
.

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Pseuderanthemum crenulatum (Wallich ex Lindley) Radl­kofer [India, Laos, Malaysia, Thailand, Vietnam].
Pseuderanthemum latifolium (Vahl) B. Hansen [Cambodia, India, Laos, Malaysia, Myanmar, Thailand, Vietnam].
Pseuderanthemum polyanthum (C. B. Clarke ex Oliver) Merrill [India, Malaysia, Myanmar, Thailand, Vietnam].
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Floriculture in India By Gurcharan Singh Randhawa, Amitabha Mukhopadhyay (1986)- Descr.-
Eranthemum albomarginatum B.S.Williams,  
Pseuderanthemum atropurpureum (W. Bull) L.H. Bailey is a synonym of Pseuderanthemum carruthersii (Seem.) Guillaumin,
Eranthemum bicolor Schrank is a synonym of Eranthemum pulchellum Andrews,
Pseuderanthemum reticulatum Radlk. is a synonym of Pseuderanthemum carruthersii (Seem.) Guillaumin
Eranthemum tricolor W.Bull is a synonym of Pseuderanthemum carruthersii (Seem.) Guillaumin

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A Revised Handbook to the Flora of Ceylon -, Volume 12 By M. D. Dassanayake (1998- Details with Keys) –
Pseuderanthemum angustifolium Ridl.,
Pseuderanthemum latifolium (Vahl) B.Hansen (syn. Pseuderanthemum malabaricum (Clarke) Gamble) & Pseuderanthemum reticulatum Radlk.

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Forest Plants of Eastern India By Amal Bhusan Chaudhuri (1993)-
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Botanical name Synonyms Family Common name
Pseuderanthemum carruthersii Acanthaceae Purple False Eranthemum
Pseuderanthemum laxiflorum Acanthaceae Shooting Star
Pseuderanthemum malabaricum syn. of Pseuderanthemum latifolium Eranthemum malabaricum Acanthaceae Malabar False Eranthemum
Pseuderanthemum reticulatum Radlk. is a synonym of Pseuderanthemum carruthersii (Seem.) Guillaumin Acanthaceae Yellow-Vein Eranthemum

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Pseuderanthemum (Acanthaceae) : 1 post by 1 author.

I have updated eFI (efloraofindia) page on Pseuderanthemum (Pl. click).

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 Pseuderanthemum 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.