Thorough Wax
THOROW-WAX, or THROW-WAX, in botany, the Bup leurum rotundifolium. The stem is branched; the leaves ovate , perfoliate; the flowers greenishyellow, with large bracts; fruit with striate interstices.
The name was given by Turner because , as he says, "the stalke waxeth thro the leaves." It was formerly used as a vulnerary. It is a native of Europe and Western Asia; rare in Great Britain.