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
Rhodopetala rosea Rhodopetala rosea Rhodopetala rosea, common name the pink limpet, is a species of sea snail or true limpet, a marine gastropod mollusc in the family Acmaeidae, one of the families of true limpets. It represents the only member of the genus "Rhodopetala" and of its subfamily, Rhodopetaleinae. It is native to the Kuril, Aleutian, and Kodiac Islands. Its diet consists of coralline and laminarian algae. They extend from the Triassic era to the recent. Taxonomic characteristics of this species have been debated. In 1981, following the first examination of the soft body parts of a specimen (previous classifications had relied