Ethnobotanical Leaflets 12: 388-390. 2008.
Arisaema agasthyanum Sivadasan & Sathish. ( Araceae ): A New
Record for Tamil
R. Kottaimuthu* and R. Ganesan*
Trust for Research in Ecology and the Environment (ATREE),
Sivadasan et Sathish., is recorded for the first time for Tamil Nadu from Tirunelveli Hills,
During intensive botanical exploration in Tirunelveli
As a detailed description is provided elsewhere by Sivadasan & Sathishkumar (1987), only a brief description and a photograph is provided here for the easy identification of this species in the field.
Arisaema agasthyanum Sivadasan et Sathish., in Aroideana . 1987.
Dioecious, cormous herbs, 18 45 cm high; corms 1- 2 cm across, depressed globose. Cataphylls 3, 2.5 10 x 1 3.5 cm, apex acute. Leaf solitary; petiole 10 40 cm long, basally sheathing for 6 cm and sheath tip short liguled; leaflets 5 8, radiate, oblong obovate / elliptic, 6 9 x 2 3 cm , base cuneate, acuminate at apex. Inflorescence short peduncled, peduncle 2 7 cm long, completely enclosed in the petiolar sheath. Spathe 10 15 cm long, limb galeiform with basal auricular extensions. Spadix 4 5.5 cm long, dioecious, sessile. Staminate spadix 1 1.5 cm long, neuter flowers absent. Pistillate spadix 1 1.5 cm long; appendix 2 4 cm long, subcylindric. Fruits not collected.
Distribution: Endemic to
Notes: The genus Arisaema Martius includes more than 200 species in fifteen
sections distributed in
Plate 1. Arisaema agasthyanum Sivadasan & Sathish.
We express our sincere thanks to Mr. Ponnuchamy,
French Institute of
Bhargavan, P. 1989. Araceae
In: A. N. Henry, V. Chithra and N. P. Balakrishnan. (eds.), Flora of Tamil
Manickam, V. S., Jothi,
G. J., Murugan, C. and Sundaresan,
V. 2003. Check-list of the Flora of Tirunelveli
Sivadasan, M. 1984. A new species of Arisaema (Araceae) from
Sivadasan, M. and Sathishkumar,
C. 1987. A new species of Arisaema (Araceae) from
Thiyagaraj, G. J. 1994. Studies on the
South Indian Araceae Ph. D. Thesis,