Tianji Huang alias are Di Er Cao , Bird's Tongue Grass, Snake Chakou, Falling Water Grass, and Inch Gold Grass.

Tianji Huang, widely distributed throughout the Yangtze River basin and its south.

This grass is an annual herb. Growing in the sunny side of the field, the edge of the ground, or the side of the path. Ditch side, next to the mountain. General growth height of about 20 centimeters up and down. There are also more than 40 centimeters. The stem is a little square, the leaves are wrapped around the stem, the small flowers are yellow, the small leaves from the stem, keep growing and keep flowering, the seeds are tiny.

Picking time is from the fifth month of the lunar calendar to the fall. It dies after frost. The color of its leaves and stems, in the sunlight and growth of the place a little different, in most cases, the first green leaves, in the growth of strong sunlight, the whole grass becomes yellow, such as time and then long, or temperature changes in the whole grass will become red. Most of the yellow more.

Tianji yellow morphology

Annual or perennial herbs, 2-45 cm high. Stems single or ± clustered, erect or decumbent or creeping and rooting at base, unbranched or variously branched at lower part of inflorescence, with 4 longitudinal ribs, scattered pale glandular dots.

Leaves sessile, blade usually ovate or ovate-triangular to oblong or elliptic, 0.2-1.8 cm long, 0.1-1 cm wide, apex subacute to rounded, base cordate-amplexicaul to truncate, margin entire, firm-papery, green above, greenish but sometimes glaucous below, with 1-3 basal primary veins and 1-2 pairs of lateral veins, but without obvious vein network, without marginally glandular dots. Hyaline glandular dots scattered throughout.

Reference: Baidu Encyclopedia-Tianji Huang