angiosperm

 Term: angiosperm

Literally meaning: “sperm vessel”

Origin: Anc Greek

αγγείο/aggio (=vessel, receptacle) >  άγγος/aggos(=tube)

σπέρμα (=seed) > σπείρω/spearo (=disperse)

Coined/History

Angiosperms appeared during Jurassic period (203-135 million years ago).  The term was coined by German botanist Paul Hermann (1646-1695) in 1690 including the class of Dicotyledones and Monocotyledones.

Definition

Angiosperm  is any seed-bearing and flowering plant in which the ovules are enclosed in the ovary which develops into the fruit after fertilization. Angiosperms, except flowers, have true roots, stems and  leaves and consist bigger group than gymnosperms, the other seed plant group.