The plant Silphium perfoliatum.

(New Zealand, obsolete) The tutu, a shrub of New Zealand.

plural of toot plant

scorpionweed (genus Phacelia)

plural of scorpion plant

The plant Saxifraga stolonifera.

plural of sailor plant

The spiny evergreen flowering plant Erinacea anthyllis. / A species of medick, having the pods spirally twisted and rolled up into a spiny ball.

plural of hedgehog plant

A plant native to moist forests near the coast of northwestern North America, Tolmiea menziesii, grown as an ornamental groundcover or container plant for its attractive green foliage with plantlets growing from the bases of the leaves.