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Term	Definition
Aureole	See eyespot.
Auricle	An ear-shaped appendage; for example, on the lip of an orchid or at the apex of the leaf sheath of Poaceae; also used for appendices not so ear-shaped, for example the appendices arising at the junction between the claw and the blade of clawed petals.
Aurícula	Un apéndice con forma similar al de una oreja. Por ejemplo, en el labio de una orquídea o en el ápice de la vaina de las hojas de algunas Poaceae.
Auriculada, auriculado	Se aplica a una estructura u órgano, como una hoja, que posee lóbulos como orejas usualmente localizados en la base.
Auriculate (auricled)	Referring to an organ or structure, such as a leaf blade, with earlike lobes, which usually are situated at the base.
Autochorous	A type of seed dispersal in which the diaspore is ejected by the action of the parent plant.
Autocoro	Tipo de dispersión de semillas en la que la diáspora es ejecutada por acción de la planta madre.
Autógama, autogamia	Se refiere a la fertilización que ha sido producida como resultado de la unión de un esperma y el huevo de una misma planta.
Autogamy (autogamous)	Referring to fertilization resulting from the union of a sperm and an egg from the same plant.
Autótrofa, autótrofo, autotrófica, autotrófico	Se refiere a las plantas que son capaces de sintetizar complejas substancias orgánicas a partir del sustrato inorgánico. Opuesto a heterótrofa o heterotrófica.
Autotroph (autotrophic)	Capable of synthesizing complex organic substances from simple inorganic substrates, i.e., it photosynthesizes.
Awn	A bristle or hairlike appendage; e.g., the terminal extension of the midvein of the glume, palea, or lemma in the Poaceae.
Awn (awned)	The terminal extension of the midrib of an organ such as a bract (bearing awns).
Axil	An angle formed at the junction of two structures; e.g., the petiole of the leaf and the stem, or a secondary vein of a leaf and the midrib.
Axila	Ángulo formado por la unión de dos estructuras. Por ejemplo, aquel formado entre el peciolo de una hoja y el tallo, o en una hoja, el ángulo formado entre la vena media y una secundaria.
Axile	Relating or belonging to the axis of a structure.
Axile placentation	A type of ovule arrangement in which the ovules arise from placental tissue derived from the apices of the septa of a locule. In this type of placentation the apices of the septa are fused or in very close proximity to one another.
Axillary	Arising from an axil; for example, an axillary bud arising in the axil between the stem and the petiole.
Axillary	Referring to a structure that arises from the leaf axils.
Axillary bud	A bud that arises in a leaf axil. Same as lateral bud.
Axillary inflorescence	A inflorescence that arises from a leaf axil
Axillary inflorescence	An inflorescence that arises from a leaf axil
Baccate	Berrylike. See berry.
Ballistic dispersal	A type of dispersal in which seeds are ejected from the fruits upon dehiscence. Same as autochorous.
Banner	The upper, broad petal of Fabaceae. Same as standard, banner, and vexillum with standard the preferred term.
Barbada, barbado (diminutivo = barbulada, barbulado)	Que posee barba o una agrupación o un mechón de pelos.
Barbate (diminutive = barbellate)	Bearded or tufted with hairs.
Barbed	Bearded or tufted with hairs, e.g., the lower petal lobe of Tabebuia barbata.
Bark	All tissue of the trunk and branches external to the vascular cambium.
Bark	The tissue of the trunk and branches external to the vascular cambium.
Bark fissured	Bark with distinct longitudinal grooves.
Bark not fissured	A bark that does not have conspicuous vertically oriented fissures.
Bark rough	Bark without fissures and scallops yet with very shallow irregular cracs and often shedding small pieces of bark.
Bark scalloped	A bark that peels in irregular plates that leave conspicuous depressions.
Bark slightly fissured	Bark with vertical fissures that are less than 5 mm deep.
Bark smooth	A bark without fissures, scallops, or roughness.
Basal	Toward the base. Opposite of apical. Same as proximal.
Basal aril	An aril located at the base of the seed.
Basal placentation	A type of placentation in which the ovules arise from the base of the locule.
Basal rosette	Referring to an arrangement of leaves radiating from the base of the stem and usually placed close to the ground.
Basal stoppers	Valves in the woody pericarp of Parinari (Chrysobalanaceae) that allow for the escape of the seedling. Same as obturamenta.
Basal-lateral aril	An aril starting at the base and extending part way up the side of the seed.
Base	The bottom or proximal end of a structure such as a stem, leaf blade or flower.
Base	Fondo o parte inferior de una estructura tal como un tallo, lámina de las hojas, o una flor.
Basidiomiceto	Tipo de hongo que produce esporas en estructuras con forma de trebol denominados basidios. Muchos basidiomicetos forman asociaciones micorríticas con las plantas con flores.
Basidiomycetes	A type of fungus that produces its spores on club-shaped structures called basidia, including some of the more conspicuous fungi such as mushrooms, bracket fungi, and puffballs. Many basidiomycetes form mycorrhizal association with flowering plants.
Basifija	Unida por o en la base. Por ejemplo, las anteras de muchas plantas.
Basifixed	Attached at the bottom or the base; e.g., the anthers of many plants.
Basipétala, basipétalo	Que se desarrolla desde el ápice hacia la base. Este término es opuesto a acropétala.
Basipetalous	Developing from the apex toward the base. Opposite of acropetalous.
Basiscopic	Facing or directed toward the base. Opposite of acroscopic.
Basiscópica, basiscópico	Orientada hacia la base. Opuesto a acroscópica.
Basitonic	Referring to a type of branching in which the shoots nearest the base of the stem show the greatest development, as in the inflorescences of Hydrangeaceae.
Bat dispersal	Referring to diaspores that are carried away from the mother plant by bats. Most bat-dispersed seeds dispersed by bats have either berry-like fruits or fruits with the seeds provided with a fleshy associated structure such as an aril. A few other species have the fruits surrounded by a fleshy perianth (e.g., the diaspores of species of Cecropia). Same as chiropterochory.
Bat-pollination	Same as chiropterophily.
Baya	Fruto carnoso y jugoso que contiene desde varias hasta muchas semillas. Ver abayada.
Beak	A narrow or prolonged tip; often used to describe the apices of fruits or seeds.
Bearded	Referreing to a plant that has a tuft of hairs, usually on the lower petal.
Berry	A usually soft, fleshy or juicy, multiseeded, indehiscent fruit (e.g., Solanum spp., Solanaceae).
Bi-	A prefix meaning “two.”
Bi-	Prefijo que significa dos.
Bianual	Ver bienal.
Bienal	Planta que completa su ciclo de vida aproximadamente en dos años.
Biennial	A plant that completes its life cycle in two seasons. Compare with annual and perennial.
Bifacial	Referring to an organ with the opposite surfaces differing in color, texture, or structure; e.g., the anthers of Gronoviaceae, or to a leaf with two different types of tissue on each side, as observed in a transverse section.
Bifacial	Se refiere a un órgano con las caras opuestas que difieren en color, textura o estructura. Por ejemplo, las anteras de las Gronoviaceae, o a una hoja con dos diferentes tipos de tejidos en cada lado que se observan en secciones transversales.
Bifarious	Arranged in two vertical rows, such as ovules in an ovary or seeds in a fruit.
Bifid	Cleft into two often more-or-less acute lobes at the apex; for example, the apex of a leaf of Cyclanthus bipartitus.
Bífida, bifido	Se refiere al ápice de una hoja u otra estructura similar, cuando está dividida en dos lóbulos más o menos agudos en la porción distal; por ejemplo, el ápice de las hojas de Cyclanthus bipartitus (Cyclanthaceae)
Bifoliolada, bifoliolado	Es una hoja compuesta por dos hojuelas o segmentos.
Bifoliolate	Referring to a compound leaf with two leaflets.
Bifurcada, bifurcado	Estructura que se divide en dos partes iguales hacia el ápice, en forma de una "Y".
Bifurcate	Splitting into two equal parts at the apex; forked.
Bifurcate	Once-branched; for example the style of most species of Asteraceae have bifurcate styles. Same as bifid.
Big bang phenology	A flowering strategy in which a plant produces very large numbers of flowers for a very short period of time. See multiple bang and steady state phenology.

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