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Flora of North America Glossary

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Term Synonyms Category Limitation Definition
glome nominative inflorescence A rounded cluster of sessile or subsessile flowers that are inserted very close together and oriented divergently, the whole more or less hemispheric and sessile or subsessile.
glomerate = agglomerate architecture inflorescence Comprising one or more glomes.
glomerulate architecture inflorescence Comprising one or more glomerules; esp. in Asteraceae (Compositae).
glomerule nominative inflorescence A compact cluster of capitula (heads), sometimes subtended by an involucre; thus, a compound capitulum (head); esp. in Asteraceae (Compositae).
glossy = laevigate, lustrous, polished, shining, shiny reflectance Uniformly reflecting a high proportion of incident light at all angles.
glutinous 1 > mucilaginous, mucous, viscid coating Of a sticky or slimy substance.
glutinous 2 > mucilaginous, mucous, viscid texture Sticky or slimy.
goblet-shaped = crateriform solid shape Having a distal, concave, relatively thin-walled, basically hemispherical portion surmounting a much narrower, transversely round, pedestal-like base.
…gonal = …angular plane shape Having more or less straight sides of the number indicated by the prefix; as in pentagonal, trigonal. See also deltate, …gonous (…angled).
gongylodate = gongyloid, knob-shaped, knot-shaped, nodiform solid shape Approximately globose, the surface convoluted or not, like a knob or knot; usually applied only to structures or components that are relatively small.
gongyloid = gongylodate, knob-shaped, knot-shaped, nodiform solid shape Approximately globose, the surface convoluted or not, like a knob or knot; usually applied only to structures or components that are relatively small.
…gonous = …angled solid shape Elongate with the number of longitudinal angles indicated by the prefix, the intervening sides transversely straight to concave; as in hexagonous, trigonous. See also deltoid, …gonal (…angular), obdeltoid, triquetrous.
grain (not recommended) = caryopsis; < achene nominative fruit The achene of a grass [Poaceae (Gramineae)] Although in traditional use grain (or caryopsis) has been treated as a type separate from achene, they do not differ in basic morphology.
granular = granulate, granulose texture Composed of grain-like particles; loose, dry, and coarsely particulate.
granulate = granular, granulose texture Composed of grain-like particles; loose, dry, and coarsely particulate.
granuliferous = powdery, pulverulent coating Covered with a more or less even deposit of fine, dry particles. See also lentiginous (dusty, lentiginose), which is not clearly distinct in its application.
granulose = granular, granulate texture Composed of grain-like particles; loose, dry, and coarsely particulate.
greasy 1 = oily, oleaginous, unctuous coating Of a grease- or oil-like film.
greasy 2 = oily, oleaginous, unctuous texture Liquid or deformably solid, cohesive, and slippery to the touch.
gregarious = clustered habit plants Growing in loose aggregations. See also cespitose.
groove = colpus, fossula, furrow, sulcus, vallecula FEATURE A longitudinal depression that is relatively shallow and narrow.
…grooved = …colpate, …fossulate, …furrowed, …sulcate, …valleculate architecture Having the number of grooves indicated by the prefix; as in three-grooved, 5-grooved.
grooved = colpate, fossulate, furrowed, sulcate, valleculate architecture Having one or more relatively narrow and shallow longitudinal depressions (grooves).
grumous solid shape Having an external aspect like a cluster of grains, basically convex overall.
gum SUBSTANCE A highly viscous and sticky exudate that becomes more or less elastic and/or deformably solid upon drying. Overlaps conceptually with latex.
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