Alcea "Alcea" species are used as food plants by the larvae of some Lepidoptera species including "Bucculatrix quadrigemina" and "Vanessa cardui", the painted lady. The mallow flea beetle ("Podagrica fuscicornis") is a pest that makes tiny holes in the leaves. Cutworms, aphids, and capsid bugs use the plant as a food source in hotter and drier conditions. A number of weevils use "A. rosea" as their host plant, including "Rhopalapion longirostre", "Alocentron curvirostre", and "Aspidapion validum". The plants are also susceptible to the pathogenic fungus "Puccinia malvacearum", the hollyhock rust. A hollyhock flower, known in Japan as , was incorporated into
Carex rosea Carex rosea Carex rosea, the rosy sedge, is a flowering plant and part of the family Cyperaceae. Synonyms for "Carex rosea" include "Carex concoluta", and "Carex flaccidula". It is native to central and eastern North America and it exists in wet to dry soils. "Carex rosea" can be found in shores of streams and bottomlands, as well as ponds. It is known to have great adaptations to dry-shade locations. This is an evergreen, easy-to-grow-plant. "Carex rosea" flowers in the spring, and it has evergreen leaves. The styles of this "Carex roseae", the stalk connecting the stigma to the ovary, are