'''Color''' – ''Rakta paryanta anta śyāvaṁ'' (red in edges and brown inside)
'''Color''' – ''Rakta paryanta anta śyāvaṁ'' (red in edges and brown inside)
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'''Nature''' – ''karkaśa'' (rough), it resembles the tongue of ''rṣya'' (a type of deer with blue testicles Ca.Ci.7 / 17 Chakrapani)
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'''Nature''' – ''karkaśa'' (rough), it resembles the tongue of ''rṣya'' ,a type of deer with blue testicles[ Cha.Sa. [[Chikitsa Sthana ]] 7 / 17 Chakrapani]