ragweed

N หญ้า ตระกูล  Ambrosia มี ละอองเกสร ทำให้ เป็น หืดหอบ ได้  ya-tra-kun-nuang

RAGWEED

RAGWEED Rag "weed, n. (Bot. )

ragweed

rag weed |ˈragˌwēd ˈræɡˌwid | ▶noun a North American plant of the daisy family. Its tiny green flowers produce copious amounts of pollen, making it a major causative agent of hay fever in some areas. [Ambrosia artemisia, family Compositae. ]

ragweed

rag |weed |ˈragwiːd | ▶noun [ mass noun ] a North American plant of the daisy family. Its tiny green flowers produce copious amounts of pollen, making it a major causative agent of hay fever in some areas. ●Ambrosia artemisia, family Compositae.

ragweed

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