leucas zeylanica, commonly known as ceylon slitwort

agriculture annual aromatic aspera ayurveda ayurvedic background beautiful botany bunch calyx ceylon close closeup common commonly component corolla delicate environment erect family festival flora floral foliage fresh garden green growth hair hairy health healthy herb herbaceous herbal herbs hirsute hispid india indian inflorescence ingredient known lamiaceae lamioideae leaf leucas medicinal natural nature plant plants slitwort small sometimes spring subfamily summer terminals terrestrial tufted white wild zeylanica