spiny sowthistle plant, sonchus asper in the himalayan region of uttarakhand

sonchus asper prickly sowthistle rough milk thistle spiny sharpfringed sow spinyleaved himalayan region uttarakhand wildflower flowering plant weed invasive species herbaceous yellow flowers leaves botanical botany landscapes indian flora nature biodiversity fauna natural habitat wild vegetation control environmental conservation plants genus spiky 039 diversity wilderness medicinal traditional herbal remedy ethnobotany edible greens ecology garden native adaptation beauty uttarakhand