Tachyspory is a form of dehiscence where seed is rapidly released from a

cone A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex. A cone is formed by a set of line segments, half-lines, or lines con ...

fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...

upon maturity, as opposed to

bradyspory Bradyspory is the gradual release of seed from a cone or fruit over a long period of time, as opposed to tachyspory, the more-or-less immediate release of seed as soon as they have matured. Bradyspory may occur because seed release is spontaneous ...

, the slow release of seed over time. It is a word used in

botany Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek w ...

to describe seed dispersal. "Tachy" is a word-forming element meaning "rapid, swift, fast", from Latinized comb. form of Greek takhy "swift".

References

Plant physiology {{botany-stub