UT Arlington BIOL BIOL 3427 - glossary (4 pages)

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glossary

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School:
University of Texas at Arlington
Course:
Biol Biol 3427 - Plant Science
Plant Science Documents

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BRYOPHYTE AND SEEDLESS PLANTS GLOSSARY A archegonium a multicellular structure that contains an egg cell antheridium a multicellular sperm producing structure found in the bryophytes and in some vascular plants alternation of generations a reproductive cycle in which a haploid phase the gametophyte produces gametes which after fusion in pairs to form a zygote germinate producing a diploid phase the sporophyte angiosperm one of a group of plants whose seeds are borne within a mature ovary fruit asexual reproduction the creation of new individual plants without the involvement of gametes vegetative reproduction such as the formation and rooting of plantlets leaves and stems fragmentation of rhizomes axillary bud a bud that forms in the upper angle axil between a stem and a leaf B brood body a structure that functions as a vegetative propagule such as gemmae bulbils and underground tubers a term usually restricted to the bryophytes a form of asexual reproduction bipinnate having each segment pinna of a leaf divided to the midrib into secondary pinna see pinna and pinnate bryophytes the members of the phyla of nonvascular plants mosses hornworts and liverworts C capsule the sporangium of bryophytes calyptra the hood or cap that partially or entirely covers the capsule of some mosses formed from the top half of the expanded archegonium cilia fine hairs on the leaves and stems of some liverworts coelocaule a hollow outgrowth from a leafy liverwort stem that surrounds an archegonium compound leaf a leaf whose blade is divided into several distinct leaflets cone a sporangium containing structure consisting of a number of modified leaves or ovule bearing scales grouped terminally on a stem a strobilus conifer a cone bearing tree a member of the phylum Coniferophyta clubmoss small creeping or pendulous plants with narrow evergreen leaves microphylls and in some terminal club like cones members of the phylum Lycophyta cladophyll a branch resembling a foliage leaf cuticle a



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