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Glándula
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Estructura secretoria, como un nectario floral o extrafloral. Un cuerpo glandular ya sea que secrete o no; por ejemplo, el corpúsculo que conecta los dos polinios de las Apocynaceae subfamilia Asclepiadoideae |
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Glandular trichome
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Hairlike outgrowths of the epidermis with bulbous expansions at their apices that presumably secretes substance that maket difficult for insect predators to eat the plant. |
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Glandular trichomes
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Hairlike outgrowths of the epidermis with bulbous expansions at their apices. |
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Glaucous
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Covered with a whitish substance that can be rubbed off. |
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Globally symmetrical pollen
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In the Malpighiaceae, pollen with the pores not all in the same plane and the ectoapertures, if present, variously oriented. |
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Globose
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Referring to a spherical solid shape. |
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Glochid
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A very thin and usually deciduous, barbed spine characteristic of some Cactaceae (Opuntioideae). |
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Glochidiate
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Barbed; bearing glochids. |
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Glomerate
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Referring to a structure, such as an inflorescence, composed of very densely clustered units; e.g., flowers. |
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Glomerule
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A tightly congested cymose inflorescence or inflorescence derived from it, usually with sessile flowers; e.g., in the Asteraceae. |
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Glume
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A bract at the base of a spikelet in the Poaceae. |
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Grade
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A level of evolutionary organization and advancement. |
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Grain
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See caryopsis. |
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Granular
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Referring to a surface covered my minute, grain-like bodies. |
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Granulate (granulose)
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Appearing as if covered by very small grains; minutely or finely mealy. |
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Ground layer
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A hypothetical stratum of tropical rain forests consisting of herbs and other small plants that grow close to the ground.
Same as ground story. |
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Ground story
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Lowest layer of vegetation in a forest; composed of terrestrial herbs. Same as but less preferred than ground layer. |
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Ground tissue
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Plant tissue other than the vascular tissue, the epidermis, or the periderm. |
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Growth form
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The life form of a plant; e.g., herb, tree, or shrub. Same as habit. |
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Guard cells
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Two cells that flank each side of the stomatal opening. These cells control the input and output of carbon dioxide and oxygen and the output of water by opening and closing at different times of the day. |
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Guard cells
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Two cells that flank each side of the stomatal opening. These cells control the input and output of carbon dioxide and oxygen and the output of water by opening and closing at different times of the day. |
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Guayana
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A phytogeographic region corresponding to the Guayana Shield and including the Guianas and parts of northern Amazonian Brazil, Amazonian Colombia, and Amazonian Venezuela. Guayana should not to be confused with Guyana, the country, or the Guianas, a political term that encompasses Guyana, Suriname, and French Guiana. |
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Guayana Shield
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A geographic region in northern South America corresponding with Precambrian bedrock. |
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Gymnosperm
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A vascular plant with seeds not enclosed in an ovary (examples of gymnosperms are cycads, pines, firs, and spruce trees). The name of this group of plants means naked seeds. |
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Gynobasic style
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Referring to a style arising from the base of the ovary. Gynobasic styles are of two types: 1) the style is inserted laterally at the base of a syncarpous ovary as in Chrysobalanaceae and Rhabdodendraceae 2) the style arises from the center of an apocarpous ovary as in many species of Lamiaceae. |
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Gynodioecy (gynodioecious)
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Referring to a sexual condition of a species that bears pistillate flowers on some plants and bisexual flowers or staminate flowers as well as pistillate flowers on other plants. |
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Gynoecium (Pl. = gynoecia)
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The female part of the flower (i.e., the pistil). |
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Gynoecium (plural = gynoecia)
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The collective term for the pistillate structure (the pistils) of the flower. Compare with androecium. |
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Gynoecium apocarpous
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Referring to a gynoecium of distinct carpels; e.g., many species of Annonaceae, Crassulaceae, Menispermaceae, Ranunculaceae, Rosaceae, etc. Compare with syncarpous. |
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Gynoecium syncarpous
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A gynoecium composed of fused carpels. |
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Gynomonoecy (gynomonoecious)
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Referring to a sexual condition of a species that bears pistillate flowers and bisexual flowers on same plants. |
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Gynophore
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Stalk of the ovary; e.g., in Capparaceae and Simaroubaceae. Same as stipe. |
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Gynostegial corona
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A corona derived from the gynostegium. |
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Gynostegium
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The structure formed by the fusion of the stamens and the stigmatic region of the gynoecium in the Apocynaceae subfamily Asclepiadoideae. Compare with column in the Orchidaceae. |
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Gynostemium
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In the Aristolochiaceae, a structure formed by the fusion of the stamens to the style and stigma. |
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Habit
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The growth form of a plant; e.g., herb, tree, or shrub. |
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Habit
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The growth form of a plant; e.g., herb, tree, or shrub. Same as growth form. |
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Habitat
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El lugar donde crece una planta, por ejemplo: un humedal, un bosque muy húmedo, una savana, etc… |
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Habitat
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The place where a plant grows, for example in a wet area along a stream, in a pond, rain forest, savanna etc. |
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Habitat Hectares Approach
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Method for vegetation or habitat quality assessment for extant native vegetation. |
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Habitat Quality Score
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Habitat Quality Score, determined by the team at the Sampling Event site, as assessed by summing ten component scores as follows: Large Trees Score; Canopy Cover Score; Understory Score; Weediness Score; Recruitment Score; Litter Score; Loggy-ness; Patch Size; Neighborhood; Distance to Core. |
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Hair
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See trichome which is used more correctly for plants. |
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Halophyte (halophytic)
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A plant adapted to growing in saline soils. (referring to a plant growing in saline soils) |
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Hapaxanthy (hapaxanthic or hapaxanthous)
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Referring to plants that die after a single episode of flowering and fruiting; e.g., many bambusoid Poaceae, some palms, and and some Tachigali (Fabaceae). Same as monocarpic and semelparic and opposite of polycarpic, iteroparic, and pleionanthic. |
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Haploid
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Having one set of chromosomes. See diploid. |
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Haplostemonous
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Referring to an androecium with a single series of stamens in one whorl. |
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Hapter (plural = haptera)
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Disclike or irregularly formed lateral outgrowths of roots (rarely shoots) that affix plants of many Podostemaceae to the substrate. Same as holdfast. |
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Hard bast
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The inner non-functional part of the xylem, i.e., the dead part of the xylem that no longer transports water and nutrients to the leaves but serves as support for the plant. Same as heartwood. |
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Hastada
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Con forma de punta de una flecha, pero con los lóbulos basales divergentes, dispuestos en ángulos más o menos rectos en relación al eje |
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Hastate
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In the shape of an arrowhead but with the basal lobes spreading at more or less right angles to the long axis. |
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