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Term Definition
Estambres vestigiales productores de néctar Son los apéndices más internos, productores de néctar, que están localizados en el ápice del androceo de una flor zigomorfa de varias cámaras en las Lecythidaceae neotropicales.
Estaminodio Un estambre estéril, ese a veces está modificado de manera que no parece un estambre; por ejemplo, en las Cannaceae Estaminodio
Estigma Es la parte del gineceo que recibe el polen
Estilo Es la parte del gineceo localizada entre el ovario y el estigma
Estilo apical Equivalente a estilo terminal
Estilo ginobásico Se refiere a un estilo que está inserto en la base del ovario; por ejemplo, en las especies de Chrysobalanaceae, Rhabdodendraceae y Lamiaceae.
Estilo lateral Se refiere a un estilo ginobásico que está inserto a un lado del ovario
Estilo simple Se aplica al estilo que no está dividido en el ápice
Estilo terminal Se refiere a un estilo que está inserto en el ápice de un ovario
Estipe (estipitada) Este término en Arecaceae (palmas) se utiliza para describir el tronco de las plamas; en algunas Orchidaceae, se refiere a un tejido no pegajoso derivado de la columna que conecta a los polinios con el viscidio; este término también se utiliza para referirse al ginóforo. Una especie o estructura que posee estipe se dice que es estipitada
Estípula Lámina reducida de morfología variable, frecuentemente de apariencia similar a las hojas o de una bráctea, solitaria o en pares, que se encuentra cerca de la base de los peciolos en una rama
Estipulate Without stipules. Same as exstipulate.
Estrangulador Planta leñosa que crece sobre otra desarrollando sus raíces de manera que rodea al hospedero hasta eventualmente matarlo; por ejemplo, algunas especies de Ficus (Moraceae). Después de que el hospedero muere, un estrangulador usualmente llegar a ser como un árbol común Estrangulador
Estrellada Con forma de estrella. Usualmente se refiere a los tricomas
Estrofíolo Crecimiento o excresencia de la semilla localizado cerca de el hilo. Equivalente a carúncula.
Ethereal oils Aromatic compounds especially common in the vegetative tissue of dicotyledons such as Annonaceae, Myristicaceae, Canellaceae, Lauraceae, and Piperaceae.
Ethobotanist A scientist that studies the uses that man makes of plants.
Eucamptódroma Se refiere al tipo de disposición de los nervios en una hoja en la que los nervios secundarios no terminan en el margen y no se unen para formar una serie de arcos promimentes a manera de un nervio submarginal. Comparar con nervadura broquidódroma.
Eudicots Flowering plants with two cotyledons and with pollen grains that are predominantly tricolpate.
Eugenioid embryo A type of embryo found in the Myrtaceae in which the cotyledons are thick, separate, and plano-convex (like those of a bean) and the hypocotyl is a short protrusion, or the cotyledons are fused partially or completely into a single mass and the hypocotyl is not distinguishable. Compare with myrcioid embryo and myrtoid embryo. Eugenioid embryo
Eukaryote, eukaryotic Referring to an organism that has cells with a nucleus separated from the cytoplasm by a membrane.
Evanescent Short-lived. Evanescent
Even-pinnate leaf Pinnately compound leaf with an even number of leaflets; i.e., without a terminal leaflet. Same as parapinnate. Even-pinnate leaf
Evergreen Bearing viable leaves at all times of the year. Opposite of deciduous. Evergreen
ex Author Used to indicate the publication of a name that was coined by another person but not validly published.
Ex- A prefix meaning lacking (e.g., exstipulate), outside of (e.g., exocarp), or away from (e.g., exmedial). Ex-
Exalbuminous Without albumen.
Excurrent secondary vein Referring to a secondary vein that goes directly into the midrib without turning either basally or distally along the midrib. Excurrent secondary vein
Exfoliate Referring to layers that peel off another structure, for example bark that peels off a tree trunk. Exfoliate
Exine The outer layer of the two-layered wall of a pollen grain. Compare with intine.
Exmedial Away from the leaf axis. Exmedial
Exmedial Away from the leaf axis, i.e., away from the midrib. Exmedial
Exocarp The outermost layer of the fruit wall. Same as epicarp; compare with pericarp. Exocarp
Exostome That part of the seed coat surrounding the micropyle.
Exserted Extending beyond, as stamens beyond the corolla. Opposite of included. Exserted
Exstipulate Without stipules. Same as estipulate.
External flap In the Lecythidaceae, a flap that extends outward from the inner coil of the androecial to cover at least part of the top of the androecial hood. This structure is only fully developed in species of Couratari although incipient external flaps are found in several species of Eschweilera (e.g., Eschweilera cyathiformis and E. ovalifolia). External flap
External flap A flap that extends outward from the inner coil of the androecium to cover at least part of the top of the androecial hood. This structure is only fully developed in species of Couratari although incipient external flaps are found in several species of Eschweilera (e.g., Eschweilera cyathiformis and E. ovalifolia). In these species, the furrow is called the ligular sulcus. External flap
Extinction The death of all individuals of a species. Extinction
Extirpation The process by which a plant or animal species is eliminated from a given geographic area. Extirpation
Extra- A prefix meaning outside of, beyond, apart from, besides, in addition to.
Extrafloral nectary A structure that secretes nectar and is located on a part of the plant other than the flower; e.g., the glands on the petioles of many mimosoid legumes. Extrafloral nectary
Extrastaminal Outside of the stamens; e.g., the discs of Sapindaceae.
Extrastaminal disc A fleshy, lobed, or annular nectariferous structure found within flowers located outside of the stamens. Preferred spelling is disc. Not to be confused with disk flower.
Extrorse Directed outward (abaxially), as the dehiscence of an anther. Compare with introrse and latrorse.
Exudado Cualquier substancia líquida que emana de una planta cuando es cortada; por ejemplo, látex, savia o resina
Exudate Any liquid substance emitted from a plant when it is cut; e.g., latex, sap, or resin
Eyespot A more or less circular mark, usually on a petal that may serve as a nectar guide; e.g., often found on the standard of species of Fabaceae.
Falcate Sickle-shaped.
False fruits Fruits that develop from more than just the ovary; e.g., the outermost layer of the fruit may be derived from a hypanthium.