Botany is the science of plant life and a branch of biology. A botanist studies plants, including the approximately 400,000 known species, of which 260,000 are vascular plants and 248,000 are flowering plants. Botanists study plants' applications in providing food, textiles, agriculture, forestry, chemicals, and more. The document then discusses botany of architecture, including knowing plant cultivars, morphology, and how plants will grow and change to complete a design. It introduces the concept of "Baubotanik" which uses living plants as structural elements in architecture. The document describes several architectural projects that utilize living plants and discusses how landscape architecture relates to incorporating botanical elements into design projects.