18 results found

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

Hardwood

Definition noun (botany) The wood (secondary xylem) of an angiosperm tree Supplement Vascular plants, e.g. gymnosperms and... Read More

Softwood

Definition noun (botany) The wood (secondary xylem) of a gymnosperm tree Supplement Vascular plants (tracheophytes) are... Read More

Sieve cell

Definition noun, plural: sieve cells (botany) The main conductive cell in the phloem of the gymnosperms and... Read More

Meiospore

Definition noun, plural: meiospores The spore produced by meiosis, such as the precursor cells of gametophytes of... Read More

Tracheary elements

Definition noun (botany) The principal conductive cells of the xylem associated with the conduction of water and minerals... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Xylem

Xylem Definition Xylem is defined as a plant tissue that transfers water and nutrients from roots to all over the plant... 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

Tracheid

Definition noun, plural: tracheids (botany) A tubular cell in the xylem of vascular plants whose primary function is to... Read More

Seedling

Definition noun, plural: seedlings (botany) A young sporophyte that grows from a seed; a (recent) sprout Supplement A... 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

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

Seed

Definition noun, plural: seeds (botany) An encapsulated plant embryo; a fertilized ovule of a plant Supplement A seed is a... Read More