|Scientific name:||Amaranthus viridis L.|
|Synonym name:||Amaranthus gracilis Desf.|
|Common name:||Pig Weed, Slender Amaranth, Green Amaranth|
|Hebrew name:||ירבוז עדין|
|Arabic name:||عرف الديك|
|Life form:||Annual herb|
|Stems:||Green, often reddish; slender, cylindrical, smooth and striate|
|Flowers:||Monoecious, green, forming a glomerule or grouped in a spike; 3 linear or lanceolated sepals, 3 stamens. The pistillate flowers are at the base of the spike and are more numerous than staminate ones. The male flowers at the upper part of the spike have 5 stamens|
|Fruits / pods:||Ovoid capsule, indehiscent, 1.2mm long and 1mm large, with one seed. The upper side of the fruit has a short stigma divided into three-pieces|
|Flowering Period:||April, May, June, July, August, September, October, November|
|Habitat:||Cultivated areas (weeds)|
|Distribution:||Mediterranean Woodlands and Shrublands, Semi-steppe shrublands, Shrub-steppes, Deserts and extreme deserts, Montane vegetation of Mt. Hermon|
Derivation of the botanical name:
Amaranthus Greek amarantos αμαραντοϛ, "unfading," a never fading flower, referring to the long-lasting flowers.
The Hebrew word ירבוז, Yarbuz , probably from Persian. In Aramaic it is called 'ירבוזא', 'Yarbuza'.