open access article from latest Journal of Ethnobotany
http://www.ethnobiomed.com/content/8/1/16/abstract
http://www.ethnobiomed.com/content/p...-4269-8-16.pdf
i never knew Bauhinia purpurea was edible! another one for our edible/useful ornamental list

Table 2 Names, life forms, local uses, collection period and additional local uses of wild edible plants in five districts of central and western Nepal
Latin name,
Botanical family
and Growth habit
Vernacular
name(s)
‡
Local use(s)
(edible only)
Collection
period
Additional local use(s)
Acacia rugata
(Lam.) Voigt
Leguminosae,
Climber
Sikakai (Np.);
Aila (Mag.);
Lashiur (Thr.)
Young shoots
used to make
pickle or cooked
as vegetable.
June-August Fruits used as detergent
Antidesma acidum
Retz.
Euphorbiaceae, Tree
Dakhi (Thr.) Fruits edible.
Young leaves
used to make
pickle.
SeptemberMay
Leaves used as fodder
.
Table 3 Wild edible plants associated to different usage categories
Usage Species
Cooked as a
vegetable
Acacia rugata, Arisaema tortuosum, Artocarpus lakoocha, Asparagus
racemosus, Bambusa arundinacea, Bambusa nepalensis, Bauhinia purpurea,
Bauhinia vahlii, Bauhinia variegata, Benincasa hispida, Bombax ceiba,
Capparis spinosa, Castanopsis indica, Colocasia esculenta, Crateva
unilocularis, Dendrocalamus hamiltonii, Dillenia pentagyna, Dioscorea
bulbifera, Dioscorea deltoidea, Diplazium esculentum, Ficus lacor, Ficus
hispida, Hydnum repandum, Manihot esculenta, Momordica dioica, Moringa
oleifera, Ophioglossum reticulatum, Phoenix humilis, Remusatia vivipara,
Smilax aspera, Smilax ovalifolia, Tamilnadia uliginosa, Tectaria coadunate,
Tectaria zeylanica, Termitomyces eurhizus, Urtica dioica
Eaten raw
as fruit
Aegle marmelos, Antidesma acidum, Ardisia macrocarpa, Artocarpus lakoocha,
Buchanania latifolia, Caesalpinia decapetala, Carissa carandas, Castanopsis indica, Cissus adnata, Coccinia grandis, Diospyros malabarica, Diploknema
butyracea, Ensete glaucum, Ficus auriculata, Ficus benghalensis, Ficus hispida, Ficus racemosa, Ficus sarmentosa, Ficus semicordata, Grewia optiva, Lannea
coromandelica, Madhuca longifolia, Mangifera indica, Melastoma
malabathricum, Morus nigra, Murraya koenigii, Myrica esculenta, Nephrolepis cordifolia, Ocimum gratissimum, Phoenix humilis, Phyllanthus emblica, Piper
longum, Rhus javanica, Rhus wallichii, Rubus ellipticus, Schleichera oleosa,
Semecarpus anacardium, Spondias pinnata, Sterculia villosa, Symplocos
pyrifolia, Syzygium cumini, Terminalia bellirica, Zizyphus mauritiana, Zizyphus
rugosa
Used as spice
Cinnamomum tamala, Cleome viscose, Murraya koenigii
Used as pickle
Acacia rugata, Antidesma acidum, Asparagus racemosus, Bauhinia variegata, Benincasa hispida, Capparis spinosa, Cissus javana, Hydnum repandum, Mangifera indica, Perilla frutescens, Phyllanthus emblica, Ricinus communis,
Smilax aspera, Spondias pinnata, Zizyphus mauritiana