Botanical name : Caesalpinia sappan Linn.
Family : Caesalpiniaceae
SANSKRIT SYNONYMS
Kuchandana, Lohita, Patanga, Ranjana, Patranga
AYURVEDIC PROPERTIES
Rasa    : Tikta
Guna   : Guru, Rooksha
Virya   : Seeta
Vipaka : Madhura
PLANT NAME IN DIFFERENT LANGUAGES
English  : Japan wood, Sappan wood, Brazil wood
Hindi  : Patamg, Bakam
Malayalam : Chappgnga, Sappanga, Patumukam
Distribution –In dry deciduous forests in India, also cultivated. 
PLANT DESCRIPTION
A small to medium sized tree grows up to 10 meters in height. Leaves compound, with 8-10 pairs of oblong, small leaflets. Flowers yellow in terminal and axillary panicles. Fruits small woody pods, with 2-3 seeds. Stem covered with woody thons.   
MEDICINAL PROPERTIES
Plant pacifies vitiated pitta, burning sensation, wounds, ulcers, skin diseases, diarrhea, menorrhagia, leucorrhoea, diabetes, and stomatitis.
Useful part : Heartwood.