green gotu kola leaves, centella asiatica, asiatic or indian pennywort, herbal thankuni leaf, herb and medicinal plant

age aging anti antiaging antibacterial art arthritis asian asiatic asiatica ayurveda ayurvedic background bitter centella chinese drawing food fresh gotu green health healthy herb herbal homeopathic illustration indian isolated kola leaf longevity medical medicinal medicine natural nature organic painted pennywort plant thai thailand thankuni traditional watercolor watercolour white whole wild