Webster's Revised Unabridged Dictionary · 1913

goldenrod

goldenrod (gōld"'n*rod`) , noun

(Botany) A tall herb (Solidago Virga-aurea), bearing small yellow flowers in a graceful elongated cluster. The name is common to all the species of the genus Solidago.
Collocations (1)
Golden-rod tree (Botany) , a shrub (Bosea Yervamora), a native of the Canary Isles.

Also: golden-rod