Gurcharan Singh
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to J.M. Garg, efloraofindia, shivaprakash adavanne, Neil Soares, Balkar Arya, navendu page, Dinesh Valke, Vijayasankar Raman
The names moong and urd and the specific epithets really seem to be creating confusion. To set the record straight we are discussing here three taxa (let us forget Phaseolus because most yellow flowered species have now been shifted to Vigna):
Vigna mungo (L.) Hepper: Black gram, Urad bean, Urad, Harikot mungo, Mash; leaflets unlobed, fruits thicker, 4-5 cm long, densely covered with lighter long hairs, seeds dirty green to almost black, hilum surrounded by a raised rim (aril) (5-10 cm long)
Vigna radiata var. radiata: Golden gram, Green gram, Moog-bean; plants short, erect, leaflets unlobed, fruits thinner, 6-9 cm long, sparsely covered with shorter brownish hairs, seed light green, longer
Vigna radiata var. sublobata: Jarusalem pea, wild moog; plants twinning, leaflets generally lobed, fruit thinner, 4-6 cm long, sparsely covered with shorter brownish hairs, seeds light green, shorter.
Neil ji's plant clearly has brownish hairs on pods and some leaflets slightly lobed: It is surely V. radiata var. sublobata, the wild moog
Balkar ji's plant with pods having thicker pods with longer lighter hairs should be V. mungo, the urad bean or black gram
Sivaprakash ji's plant should also be V. mungo, although difficult to say without fruits.
--
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://people.du.ac.in/~singhg45/