The pinyin for amaranth is xiàn.

Amaranth (scientific name: Portulaca oleracea?L.): an annual herb in the family Staphylinidae, the whole plant is glabrous. Stem procumbent, ambulatory spread, branches light green or with dark red. Leaves alternate, leaf blade flattened, plump, horse-tooth-like, dark green above, light green or dark reddish below; petiole stout and short.

Flowers sessile, blooming at noon; bracts leaflike; sepals green, galeate; petals yellow, obovate; stamens anthers yellow; ovary glabrous. Capsule ovoid; seeds minute, obliquely spherical, black-brown, glossy. Fl. May-Aug, fr. June-Sept.

Margosa pallida likes high humidity, drought and flood resistance, with the positive, suitable for cultivation in a variety of fields and slopes, with neutral and weakly acidic soil is better. Its germination temperature is 18℃, and the optimal growth temperature is 20-30℃. When the temperature exceeds 20 ℃, it can be sown in stages and marketed one after another. Protected cultivation can be annual production.

The seeds used for seed propagation of Amaranthus are those collected from the wild in the first year or kept during cultivation. The seeds are very small, so the ground must be prepared carefully and the soil kept moist after sowing, and the seedlings will emerge in 7-10 days.

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