overhead view of a growing heen gotukola plant on sandy ground

centella asiatica gotu kola kodavan indian pennywort asiatic herbaceous perennial plant flowering leafy vegetables field culinary vegetable traditional medicine swampy area creeping longstalked veins rhizomes surface soil southeast asia drier soils home garden raw salads lankan cuisine plants cuisines agriculture heen gotukola growing overhead sandy ground surrounding grass leaf nature herb green natural background health organic herbal healthy food fresh texture growth antibacterial sunlight ayurveda greenery meadow edible botany eco lawn cultivation agricultural exotic gardening environment beautiful summer ayurvedic foliage