Scientists of the Chennia-Tamil Nadu based M S Swaminathan Research Foundation identified 101 edible wild greens. Not all are consumed regularly.
The frequently eaten leaves: Ponnamkanni (Alternanthera sessilis) , mullencheera (Amaranths spinosus) , kuppacheera (Amaranths virdis) , mudungachappu (Solan nigrum), maracheera (Emberia tsjeriam-cottam, eaten only by the Kattunaikkas).
Leaves eaten twice or thrice a month: Aliyanchapu (Zehenria mysoresensis), kattuthakkali (Passiflora calcaratta), kalluriki (Scoparia dulcis), aalanchappu (Bidens biternata), kuriyankaya (Diplocyclos palmatus) and kozhuppacheera (Trianthema portulaccastrum).
Commonly consumed flowers: koombichappu (Adenia hondala) and katumunthuri (Rubus fulvus)
Fruits commonly eaten: plavu (Artocarpus heterophyllus), mavu (Mangifera indica), njaval (Szygium cumini) and kattuthakkali (Passiflora calcaratt a, its leaves are also used)
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/tap-wild
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/m-s-swaminathan-research-foundation-mssrf
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t