The stamens of the flower are partly fused into a cylinder that surrounds the style Genetics The endangered Papilio homerus butterfly, the largest in the western hemisphere, is known to feed on the nectar of the Hibiscus. In the subtropical and temperate Americas, hummingbirds are regularly attracted to it. Generalist species, like the sapphire-spangled emerald, Amazilia lactea, or long-billed species, like the stripe-breasted starthroat, Heliomaster squamosus, are occasionally seen to visit it, however. Ecology ĭespite its size and red hues, which are attractive to nectarivore birds, it is not visited regularly by hummingbirds when grown in the Neotropics. The genus Hibiscus is placed in the tribe Hibisceae, subfamily Malvoideae of the family Malvaceae. The specific epithet rosa-sinensis literally means "rose of China", though it is not closely related to the true roses. Hibiscus rosa-sinensis was first described in 1753 by Carl Linnaeus in Species Plantarum. (Venation is branched or divergent.) Free lateral stipules are present. The leaf shape is ovate, the tip is acute and margin is serrated.
The leaf is simple, with alternate phyllotaxy and is petiolate.
The stem is aerial, erect, green, cylindrical and branched. They have five carpels, five locules, five sepals, and the number of stamens may vary. Overall, the hibiscus is a dicot, with solitary ( axillary), complete, perfect flowers, which have a superior ovary, regular symmetry, and axile placentation. The anthers, which release the pollen, sits on the filament and these two organs make up the stamen, the male part of the flower. The male part ( stamen) of the flower consists of stem-like filaments and each filament ends with the pollen-producing anther. The ovary lies at the bottom of the blossom and the hibiscus has only one ovary which is superior. At the top of the pistil is known as the stigma, where pollen is collected, and in the middle is the style, which is the section that the pollen travels down to the ovary. The stigma is located at the end of the style branch. The five hairy red spots on the top of the flower is the stigma (female part) of the flower. The hibiscus has both male and female parts on the same flower. The ovary and other female parts of the flower lie in the main structure of the hibiscus, the pistil, which is long and tubular. When the hibiscus begins to bloom, the petals begin to grow which contains multiple petals and multiple colors. The pointed ends of the calyx are the sepals. At the bottom of every hibiscus bud is the calyx which is green in color.
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