EVERYDAY SCIENCE

Detailed explanation-1: -The leaves are dotted with glands. These glands contain volatile oils which give typical smell to the leaves. In most of the Citrus species the leaves possess winged petioles. According to many authors the leaves with winged petioles are regarded as unifoliate palmate type of compound leaves.

Detailed explanation-2: -The leaves are simple, trifoliolate, or pinnate, sometimes pinnatifid, exstipu-late, usually with pellucid or punctate glands. The inflorescence is a cyme or raceme, rarely of solitary flowers.

Detailed explanation-3: -Description: Trees, shrubs or more rarely herbs; prickles or axillary spines present in some genera. Leaves alternate or opposite, simple or compound, lamina with oil dots that are usually aromatic when crushed; stipules usually absent but gland-like stipules present in some species of Eriostemon and Philotheca.

Detailed explanation-4: -The Rutaceae is a family, commonly known as the rue or citrus family, of flowering plants, usually placed in the order Sapindales. Species of the family generally have flowers that divide into four or five parts, usually with strong scents. They range in form and size from herbs to shrubs and large trees.

Detailed explanation-5: -4.13 Rutaceae The most economically important genera in the family are Citrus, which includes the orange (Citrus sinensis), lemon (Citrus limon), grapefruit (Citrus paradisi), and lime (mostly Citrus aurantifolia) as well as Zanthoxylum or Fagara and Agathosma.