what kind of plant has leaves that spiral up
In botany, phyllotaxis or phyllotaxy is the arrangement of leaves on a plant stem (from Ancient Greek phÃ½llon leaf and tÃ¡xis arrangement). Phyllotactic spirals form a distinctive class of patterns in nature.
The pineapple is a herbaceous perennial with long sword-like leaves arranged in a spiral around a central stem and a terminal inflorescence. Leaves may or may not bear marginal spines depending upon variety and cultural practices. Adult plants may be 3 to 6 feet (0.9-1.8 m) high and wide.