Amaranthus hypochondriacus shine sunan kimiyya na nau'in tsiro wanda aka fi sani da gashin gashin yarima ko yarima-of-Wales-feather. Nasa ne na dangin Amaranthaceae kuma asalinsa ne a Tsakiyar Amurka da Kudancin Amurka. Itacen yana da tsayi, madaidaiciya mai tushe tare da madayan ganye masu kamanni ko siffa mai kamanni kuma suna iya zama kore, shunayya, ko launin ja. Furen suna ƙanana kuma ba su da kyan gani, kuma tsaba ƙanana ne, masu sheki, da baki. A wasu al'adu, an yi amfani da shuka don abinci da magani.