Integrifolious is an adjective used to describe a plant or species that possesses leaves that are entire or lacking divisions, lobes, or serrated edges. The term is derived from the Latin word "integri" meaning "entire" or "undivided", and "folium" meaning "leaf".
Plants that are integrifolious have leaves that are smooth-edged, without any notches, indentations, or lobes. The leaves are generally simple, typically ovate, lanceolate, or elliptical in shape. They are characterized by a continuous margin from the base to the apex, presenting a consistent and undivided structure.
The integrifolious characteristic is commonly observed in a variety of plant families, such as members of the Rosaceae, Asteraceae, and Fabaceae families. Examples of integrifolious plants include roses (Rosa spp.), sunflowers (Helianthus spp.), and locust trees (Robinia spp.).
This feature of integrifolious leaves is significant for plant identification and classification. It distinguishes plants from those with compound leaves, which are characterized by leaflets and distinct divisions. It can also aid in distinguishing between plant species within the same genus, as some may exhibit integrifolious leaves while others may have divided ones.
In summary, integrifolious refers to plants or species with leaves that are smooth-edged, undivided, and lacking divisions, lobes, or serrated edges, presenting a continuous and unbroken structure.
