Ethnobotanical Leaflets 12: 388-390.
2008. Arisaema agasthyanum Sivadasan & Sathish. ( Araceae ): A New
Record for Tamil R. Kottaimuthu* and R. Ganesan* Ashoka
Trust for Research in Ecology and the Environment (ATREE), Issued Abstract Arisaema agasthyanum
Sivadasan et Sathish., is recorded for the first time for Tamil Nadu from Tirunelveli Hills, Introduction During intensive botanical exploration in Tirunelveli
Hills, 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. Species Description Arisaema agasthyanum
Sivadasan et Sathish., in Aroideana 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. Flowering: May Distribution: Endemic to Specimens examined: Notes: The genus Arisaema Martius includes more than 200 species in fifteen
sections distributed in Plate 1. Arisaema agasthyanum Sivadasan & Sathish.
Acknowledgement We express our sincere thanks to Mr. Ponnuchamy,
French Institute of Bibliography 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
Hills, Southern 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, |