Botanical name : Nervilia aragoana Gaud. 
Family : Orchidaceae
SANSKRIT SYNONYMS
Padmacharini
AYURVEDIC PROPERTIES
Rasa    : Tikta, Katu
Guna   : Lakhu
Virya   : Seeta
PLANT NAME IN DIFFERENT LANGUAGES
English     :
Hindi        : Sthalapadma 
Malayalam    : Orilathamara, Kaltamara, Nilathamara 
Distribution – In hilly wet areas of Western Ghats especially at Travancore and Malabar areas of kerala.
PLANT DESCRIPTION
A single leaved terrestrial orchid grows up to 15 cm in height, with round fleshy tubers. Leaves single, orbicular, with chordate base, wavy margins and long petioles. Flowers showy and purple colored. Reproduction usually by vegetative manner, through underground stolons.
MEDICINAL PROPERTIES
Plant pacifies vitiated vata, pitta, mental diseases, epilepsy, hemiplegia, diarrhea, asthma, cough and vomiting.
Useful part    :    Tubers, Leaves. 

Photo : Dr. Eby Abraham MD