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Diplochory
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Seed dispersal in two different ways, e.g., a seed is eaten by a monkey and then is moved further by ants carrying it away from the monkey's dung. |
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Diploid
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Having two sets of chromosomes; e.g., a plant with a diploid chromosome number of 2n = 24 has two sets of 12 each (one from the paternal and the other from the maternal parent). |
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Diplostemony (diplostemonous)
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With two series of stamens; those of the outer series inserted opposite the sepals, those of the inner series inserted opposite the petals. Compare with obdiplostemonous. Diplostemony is sometimes very difficult to determine in flowers at anthesis but becomes apparent with microtome and SEM studies of bud development of obdiplostemony which is also applicable to diplostemony (Endress, 2010). |
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Diptera
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The order of insects that includes the flies. Some dipterans serve as pollinators. |
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Disc
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A fleshy, lobed, or annular nectariferous structure found within flowers; the position can be either outside or within the stamens. Preffered spelling is disc. Not to be confused with disk flower in the Asteraceae. |
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Disciform capitulum (head)
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An inflorescence of Asteraceae with only disk flowers. |
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Discoid
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In the shape of a thin, flat, circular plate. |
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Discoid capitulum (head)
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Inflorescence of Asteraceae with only disk flowers. Same as disciform capitulum. |
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Discolor (adj. = dicolorous)
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When two sides of an organ, such as a leaf blade, are different colors. |
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Discolor (adj. = discolorous)
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When two sides of an organ, such as a leaf blade, are different colors. |
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Discolor (adj. = discolorous)
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When two sides of an organ, such as a leaf blade, are different colors. |
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Disjunct
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Having two or more populations of a species widely separated from one another, e.g., Galinsoga parviflora is disjunct between temperate North America and South America. |
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Disk flower
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An actinomorphic flower with a tubular corolla found in Asteraceae. Compare with ray flower. |
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Disozoocórea, disozoocóreo
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Tipo de dispersión secundaria de las semillas en la que algunas de las diásporas son llevadas e intencionalmente enterradas o almacenadas por animales dispersores-acumuladores como agoutis (Dasyprocta spp.), mientras que las otras diásporas son comidas y digeridas; por ejemplo, en la dispersión de la nuez de Brasil por los agoutis. Ver dispersor-acumulador. |
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Dispersal (disperse)
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The transport of fruits, parts of fruits, or seeds away from a parent plant by agents such as water, wind, bats, other mammals, ants, scarab beetles, etc. The act of dispersing a diasporte. |
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Dispersión balística
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Tipo de dispersión en la que las semillas son expulsadas del fruto durante en dehiscencia. |
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Dispersión por viento
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Se refiere al modo en que el polen, semillas y frutos son dispersados desde la planta madre con la ayuda del viento. Los tipos más comunes de plantas dispersadas por el viento son aquellas que poseen frutos y semillas alados o semillas comosas |
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Dispersor-acumulador
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Tipo de dispersión secundaria de las semillas en la que algunas de las diásporas son llevadas e intencionalmente enterradas o almacenadas por animales dispersores-acumuladores como agoutis (Dasyprocta spp.), mientras que las otras diásporas son comidas y digeridas; por ejemplo, en la dispersión de la nuez de Brasil por los agoutis. Ver disozoocórea, disozoocóreo. |
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Dissepiment
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See septum. |
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Distal
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Remote from the place of attachment. Opposite of proximal. Same as apical. |
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Distal
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The part of an organ furthest away from the point of attachment. |
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Distance to Core Score
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0-5 scale of how close the site is to the nearest 50 hectare core-area of natural habitat |
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Distichous
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Referring to structures that are arranged in two rows; usually referring to the way in which leaves or bracts are inserted on an axis. Same as two-ranked. |
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Dístico
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En dos hileras, en un mismo plano y de manera alterna. Este término generalmente se aplica a la disposición de las hojas a lo largo de una rama o al de las brácteas a lo largo de un eje. |
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Distinct
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Referring to parts of the same organ not fused with one another; e.g., separate petals are said to be distinct. Compare with free. |
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Distyly (distylous)
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A type of heterostyly in which flowers with both long and short styles occur in different individuals of the same species. |
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Diurnal
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Appearing during the day, such as a flower at anthesis. |
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Diurnal
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Appearing during the day, such as a flower at anthesis. |
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Divaricate
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Widely diverging or spreading. |
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Divergent
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Referring to an organ, such as a flower or the thecae of an anther, that spreads away from the axis to which it is attached. |
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Division
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See phylum. |
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Dolabriform
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Pick-shaped; e.g., the trichomes of some species of Boraginaceae. |
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Domacio
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Una cavidad, cámara cerrada, o agrupación de tricomas, que a menudo se encuentra localizada en las axilas entre las vena primaria y las secundarias, por ejemplo, en Ticorea foetida (Rutaceae), o en la base de la lámina, por ejemplo, Maieta guianensis (Melastomataceae). Suelen estar habitadas por ácaros o insectos, especialmente hormigas. |
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Domatium (pl. domatia)
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A cavity or chamber, mostly associated with leaves, that usually serves as home for ants or mites. |
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Domatium (plural = domatia)
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Referring to axillary cavities, enclosed chambers, hollow stems, hollow petioles, modified stipules, or clusters of trichomes that harbor ants, mites, and other invetebrates. All of these structures are called domatia. |
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Dormancy
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In botany, usually referring to a period of time during which a seed shows no activity; e.g., a seed released during the dry season may remain dormant until rains beginn. |
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Dorsal
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Referring to the back or outward surface of an organ in relation to the axis. Same as abaxial and opposite of ventral (adaxial). |
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Dorsifixed
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Attached at the back; e.g., as in some anthers. |
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Dorsiventral
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Having an upper and lower surface. |
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Dosel inferior
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Estrato hipotético del bosque que esta constituido por las copas de los árboles localizadas debajo del dosel superior y usalmente a menos de 25-35 metros de alto. Comparar con emergente y dosel superior. |
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Dosel superior
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Estrato hipotético del bosque que esta constituido por las copas de los árboles. Esas se encuentran dispuestas formando un nivel aéreo continuo, comúnmente localizado a una altura máxima de 25-35 metros en el Neotrópico. Comparar con emergente y dosel inferior. |
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Double calyx
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A calyx with two apparent whorls; e.g., the calyx of Amphilophium painculatum. |
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Drepanium
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A cymose inflorescence shaped like a sickle. |
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Drip tip
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A long, tapered leaf blade apex that is thought to help water drain form the blades thereby reducing the number of epiphylls that become established on the leaf. |
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Drupaceous
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Like a drupe. |
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Druparium (plural = druparia)
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A cluster of drupelike fruits derived from the carpels of an apocarpous ovary; e.g., in the Simaroubaceae. |
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Drupe
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A single-seeded, indehiscent fruit with three distinct layers: the thin excocarp, often fleshy mesocarp, and the often woody or bony endocarp. |
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Drupelet
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A small drupe, as in the individual segments of a raspberry fruit. |
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Druplet
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Referring to a small drupe that contains a hard endocarp with a single seed. |
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Drusa
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Una masa macisa de carbonato de calcio que se forma en algunas celulas de las plantas. |
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