Manish K. Kandwal & Ramesh Kumar

Abstract: The genus Zea L., characterised by male and female spikelets born in different inflorescence of the same
plant, is often divided in two groups, the first includes the Maize or corn (Zea mays L.), and other, the wild Teosinites. Zea mexicana (Schrad.) Kuntze, belonging to the Teosinite group originated in Mexico but introduced in
many other parts of the world is reported here for the first time from Dehradun, Uttarakhand.
Key words : Zea mays, Zea mexicana, Poaceae.
References
Bor, N.L. 1960. The Grasses of Burma, Ceylon, India and Pakistan. Pergamon Press, London.
Clayton, W.D. & Renvoize, S.A. 1986. Genera Graminum. London.
Clayton, W. D. & Hartman, K. T. 2002 onwards. World grass species: “synonymy”. Royal Botanic Garden Kew.
Clayton, W.D., M.S. Vorontsova, K.T. Harman & Willioamson, H. 2006 onwards Grass base – The online world
Grass Flora Http://www.Kew.org/data/grasses.
Doebley, J.F &Iltis, H.H. 1980a. Taxonomy of Zea (Gramineae). I. Subgeneric classification with key to taxa.
Amer. J. Bot. 67(6): 982- 993.
Doebley, J.F & Iltis, H.H. 1980b. Taxonomy of Zea (Gramineae). II. Subspecific Categories in the Zea mays
Complex and a generic synopsis. Amer. J. Bot. 67(6): 994-1004.
Hooker, J.D. 1897. Flora of British India.Vol.7. London.
Kandwal, M.K. & Gupta, B.K. 2009. An update to grass flora of Uttarakhand. Ind. Jour. For. 32: 657 -668
Karthikeyan, S., Jain, S.K., Nayar, M.P. &  Sanjappa, M. 1989. Florae Indicae Enumeratio: Monocoty-ledonae.BSI,
Calcutta.
Erenstein O., Jaleta, M., Sonder, K., Mottaleb, K. & Prasanna, B.M. 2022. Global maize production, consumption
and trade: trends and R& D implications Food Security (https://doi.org/10.1007/s12571-022-01288-7). 1-25.
POWO 2024. “Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the
Internet; http://www.plants of the world online.org/ Retrieved 15 March 2024.”
Prasanna, P.V., Chowdhury, S.D., Arumugam, S., Vivek, C.P. , Chorghe, A.K., Sutrishna & Prasad, K. 2020.
Poaceae (except Bambosoideae). In: A.A.Mao & S.S.Dash (eds.), Flow. Pl. India Ann.-Checkl.
(Monocotyledons Vol.- III): Botanical Survey of India, Kolkata. 314- 442.
Sharma, B.D, Karthikeyan, S. & Singh, N.P. 1996. Fl. Maharashtra: Monocot., Botanical Survey of India.
Shukla, U. 1996. Grasses of North-Eastern India. Scientific Publishers, Jodhpur.
Skerman,. P. J. &  Riveros, F. 1989. Tropical Grasses, FAO, Rome.
Uniyal, B.P., Balodi, B. & Nath, B. 1994. Grass. Uttar Pradesh – Checkl. Bishen Singh Mahendra Pal Singh,
Dehradun. 105.