Alcea Alcea Alcea is a genus of about 60 species of flowering plants in the mallow family Malvaceae, commonly known as the hollyhocks. They are native to Asia and Europe. The single species of hollyhock from the Western Hemisphere, the streambank wild hollyhock, belongs to a different genus. Hollyhocks are annual, biennial, or perennial plants usually taking an erect, unbranched form. The herbage usually has a coating of star-shaped hairs. The leaf blades are often lobed or toothed, and are borne on long petioles. The flowers may be solitary or arranged in fascicles or racemes. The notched petals are usually over
Tricolia rosea Wales and Tasmania. Tricolia rosea Tricolia rosea, common name the rosy pheasant, is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Phasianellidae, the pheasant snails. The height of the shell varies between 2 mm and 5 mm. The minute shell is thin, shining and has an ovate shape. It has a uniform deep rosy color throughout. The four whorls are somewhat flattened at the upper part, then convex. The columella is white. The edge and the outer lip are stained with a line of dark rose. This marine species occurs off Western