Search Results for: gymnosperm
Gymnosperm
Definition noun, plural: gymnosperms A vascular plant in which the seeds are not enclosed by a ripened ovary... Read More
Sieve cell
Definition noun, plural: sieve cells (botany) The main conductive cell in the phloem of the gymnosperms and... Read More
Tracheary elements
Definition noun (botany) The principal conductive cells of the xylem associated with the conduction of water and minerals... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Seed Plants
There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More
Sporophyte
Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More
Sporangiospore
Definition noun, plural: sporangiospores The spore produced and contained within a sporangium. Supplement Sporangiospores... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Phylogenetics
Phylogenetics Definition Phylogenetics is the scientific study of phylogeny. It studies evolutionary relationships among... Read More
Integument
Definition noun (1) (anatomy) The outer protective covering of (the body of) an organism, such as cuticle, fur, shell, rind,... Read More
Companion cell
Definition noun (botany) Any of the metabolically-active parenchyma cells associated with a sieve tube element in the phloem... Read More
Sieve tube
Definition noun, plural: sieve tubes (botany) Any of the tubes in the phloem comprised of cells joined end-to-end through... Read More