Decalepis arayalpathra (J.Joseph & V.Chandras.) Venter (Images by Anurag N. Sharma & Vijayasankar Raman (Inserted by Anurag N. Sharma & J.M.Garg) (For more photos & complete details, click on the links))




Decalepis hamiltonii Wight & Arn. (Images by tspkumar)




Decalepis nervosa (Wight & Arn.) Venter (Images by Franklin Charles Jose (Id by K M Prabhu Kumar & P S Udayan) (Inserted by J.M.Garg) (For more photos & complete details, click on the links)) 


Decalepis salicifolia (Bedd. ex Hook.f.) Venter (Images by Anurag N Sharma (Inserted by J.M.Garg) (For more photos & complete details, click on the links))



DICOTYLEDONS, Vol-I (Acanthaceae-Avicenniaceae) authored by S. Karthikeyan, M. Sanjappa and S. Moorthy
and published by BSI, Kolkata in 2009
is an important document for names, authority
and distribution of Asclepiadaceae
species in India.
As per this document (Karthikeyan
et al., 2009) following species of Decalepia occur in India:
1. Decalepis araylpathra (J.Joseph & V. Chandras.) Venter
2. D. hamiltonii Wight & Arn.

3. D. nervosa (Wight & Arn.) Venter

Scrutiny of these names in The Plant List indicate them as accepted
names. In addition to these one another species D. salicifolia (Bedd. ex
Hook.f.) Venter also occur in India
as in the link.
species are endemic to India.


Binomial Habit Notes References Distribution

Joseph & Chandrasekaran
Under shrub Western Ghats,
Moist Deciduous Forests, Lithophyte
Flora of Tamil
Nadu, VOL. II, 1987
Decalepis hamiltonii Wight & Arn. Climber Dry
Evergreen to Dry Deciduous Forests 
of Tamil Nadu, VOL. II, 1987; Gamble 1957
Dharmapuri, Dindigul, Erode, Kanniyakumari, Namakkal, Nilgiri, Salem, Theni,
Tirunelveli, Tiruvannamalai, Vellore, Viluppuram, Virudhunagar

In Decalepis hamiltonii, extended flowering pattern, self-incompatibility, pollinator limitation, absence of seed dormancy, abortion of a considerable percentage of seedlings prior to establishment are contributing factors for the regulation of its population size. Further, the roots of this plant are over-exploited due to its commercial value in the preparation of a soft drink “nannari sharbat” in India.

An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1995)- p.303- Details-
Flora of Ranga Reddi District Andhra Pradesh, India By T. Pullaiah, M. Silar Mohammed (2000)- Details-
World Spice Plants: Economic Usage, Botany, Taxonomy By Johannes Seidemann (2005)- Details-
Bulbous Plants: Biotechnology edited by Kishan Gopal Ramawat, Jean-Michel Merillon (2013)-
Medicinal Plants in Andhra Pradesh, India By T. Pullaiah (2003)- p.105- Details-

Antidiabetic Plants in India and Herbal Based Antidiabetic Research By T. Pullaiah, K. Chandrasekhar Naidu  (2003)- Details-

Decalepis arayalpathra
Decalepis hamiltonii
Decalepis nervosa
Decalepis salicifolia

Decalepis salicifolia (Bedd.ex Hook.f.) Venter (Apocynaceae)-A new source for 2-hydroxy-4-methoxybenzaldehyde by Satheesh George, C.T. Sulaiman, Indira Balachandran, Anu Augustine- Medicinal plants-International Journal of Phytomedicines and Related Industries 01/2011; 3(3):259-260.
ABSTRACT : The tuberous roots of Decalepis salicifolia (Bedd. ex Hook.f.) Venter (Syn. Utleria salicifolia Bedd. ex Hook.f.), a critically endangered and endemic medicinal plant with very narrow restricted distribution, have been investigated. The volatile oil obtained after steam distillation was processed further and yielded a pure compound. The isolated compound was characterized using IR, MS, 1H NMR, 13C NMR and identified as 2-hydroxy-4-methoxybenzaldehyde. This is the first report of occurrence of this compound from this plant.

Decalepis : 3 posts by 2 authors.

I have updated eFI (efloraofindia) page on Decalepis

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.

I have added the list of species of Decalepis in India based on Karthikeyan et al (2009) and The Plant List.

Thanks, … Species at other links match with this.

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

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), if any, 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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