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gametangium (pl. gametangia) |
A structure specialized for the production of gametes during sexual reproduction. |
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Gaping |
A foraging technique in which a bird thrusts its bill into the soil and forcibly opens the bill, creating an opening. Found mainly in Starlings and members of the Blackbird family. |
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Gasteromycetes |
Large group within the basidiomycetes, characterised by the basidiospores maturing within the hollow fruit body e.g. Puffballs, earth stars, stinkhorns, & bird's-nest fungi |
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Geitonogamy |
Fertilised by pollen from a flower on the same plant. |
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Geitonogamy |
Fertilised by pollen from a flower on the same plant. |
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Generative hyphae |
Thin-walled, branched hyphae with dividing cell walls giving rise to other types (e.g. Binding) of hyphae |
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Genus |
A unit of classification, grouping together closely related species, whose relationship is recognised by the same first name in the scientific terminology |
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Genus |
Group of closely-related species within the same genus name. |
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Germ-pore |
A differentiated / hole in the spore wall, from where the germination tube may extend |
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germ-pore |
A thinner area of spore wall through which a germ-tube emerges. |
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germ-tube |
An immature hypha emerging from a spore. |
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Gill (lamella) |
The fertile surface, one of a series of radiating plates sub-tending the cap |
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Gizzard |
Muscular organ that is part of the avian digestive system. Food in the gizzard is ground up by the combination action of muscular contraction and the hard stones (grit) retained in the gizzard. |
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Glabrous |
Smooth, hairless |
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Glabrous |
Hairless. |
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Gland |
Sticky structure at the end of a hair. A |
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Glandular dots |
Moist, sticky spots on the surface of stem |
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Glandular hair |
Hair bearing a knob-like secretory swelling (head) at its apex. |
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Glaucous |
Blue-grey. |
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Gleba |
Fleshy mycelial tissue containing the spore-bearing cavities, present in the gasteromycetes |
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Globose |
Spherical. |
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globose |
spherical, or almost so. |
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Gloeocystidia |
Thin-walled cystidia with refractive, frequently granular contents |
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Gnathos |
A hook (or pair of hooks) on top of the tip of the male abdomen that is used in mating. |
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Gonys |
The lowermost ridge on the lower mandible. |
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Granulate |
Covered with tiny particles |
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Guano |
Large deposits of bird faeces that accumulate in sites that birds regularly use, such as breeding colonies. |
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Gular Fluttering |
A cooling behaviour in which birds rapidly flap membranes in the throat to increase evaporation; particularly obvious in Cormorant and their relatives. |
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Gular Region |
Between the chin and foreneck. |
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Gularis |
Throat; the area extending from the chin to the breast. |
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Guttation-drops |
Drops secreted by the fruiting bodies of certain species |
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guttules |
oil like droplets. |
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