The sunflower is oily

Olive sunflower — an annual plant with thick stalks to 4 — 5 m of height, simple or branchy, with one or several heads; the single head reaches sometimes to a half a meter in width (usually — 15 — 20 cm); regional flowers of yellow color, median orange.
Sunflower fruit — the oblong tetrahedral or squeezed from sides semyanka consisting of an okoloplodnik (a peel, or pod) and a white seed (kernel) covered with a seed cover. In an okoloplodnik of modern grades of sunflower between sklerenkhimy and pith fabric there is an armor-clad layer thanks to what semyanka are not damaged by a podsolnechnikovy pyralid.