चौलाई (Amaranthus viridis)
Habit : An erect annual herb. Stem : 6 to 100 cm tall, glabrous to pubescent, pubescent especially upwards. Leaves : Glabrous or pubescent on the veins of the lower surface; petioles long (up to 10 cm), occasionally longer than the blade; blade ovate to rhombic-oblong, 2-7 x 1.5-5.5 cm, base tapered to blunt, tip rounded, minutely mucronate, barely to clearly emarginate. Flowers : Green, unisexual, male and female intermixed, in slender axillary to terminal paniculate spikes 2-12 cm long and 2-5 mm wide, or in dense axillary clusters in the lower part of the stem. Fruits : Capsule nearly globose 1.25-1.75 mm long, not rupturing or rupturing irregularly, surface rough. Seeds : 1-1.25 mm, round, slightly compressed, dark brown to black with a paler thick border.