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20 Cards in this Set
- Front
- Back
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Hygroscopic
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Shape can change in response to changes in humidity/moisture
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Elator
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Elongated, spindle-shaped, sterile cell in sporangium of liverwort sporophyte
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Peristome
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In mosses, fringe of teeth around sporangium opening
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Gemmae
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Vegetative tissue in liverworts or some fungi
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Carpel
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Ovule-bearing organ of a flower
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Exine
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Outer wall layer of a spore or pollen grain
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Androecium
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Collection of stamens in a flower
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Homospory
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Having only one kind of spore
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Heterospory
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Having two kinds of spores, designated as microspores and megaspores
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Dioecious
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Unisexual; having male and female elements on different individuals of same species
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Monoecious
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Having male and female and male elements on the same individual
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Stele
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Central cylinder, inside cortex, of roots and stems of vascular plants
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Protostele
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Simplest; solid column of vascular tissue
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Eustele
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Where primary vascular tissues are arranged in discrete strands around a pith
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Siphonostele
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Contains hollow cylinder of vascular tissue surrounding a pith
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Sporophylls
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Modified leaf or leaflike organ that bears sporangia
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Integument
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Outermost later of tissue enveloping nucellus of ovule
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Micropyle
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Opening in integuments through which pollen tube enters
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Rhizoid
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Root-like structures in fungi, algae, liverworts, mosses, and some vascular plants. Absorb water and nutrients.
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Rhizome
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Horizontal underground stem
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