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Term Definition
-iform A suffix indicating similarity to another structure, e.g., cordiform (somewhat heart shaped).
-phore (-phorus) A suffix meaning bearing, e.g. a gynophore which is a stalk that bears the gynoecium (chracteristic of Capparidaceae) and androgynophore which is a stalk bearing both the androecium and the gynoecium (characteristic of Passifloraceae). -phore (-phorus)
a- A prefix meaning “without,” e.g., a leaf blade that does not have symmetry. a-
Abaxial Referring to the side of an organ situated away from the axis; i.e., the morphologically lower surface of a leaf. Opposite of adaxial and same as ventral, under, and lower surface. Abaxial
Abaxial The lower part of a structure such as a leaf, i.e., that part of a structure that faces away the main axis to which it is attached. For example, if a leaf is pushed upward and against a stem the surface facing away from the stem is the abaxial surface. Abaxial
Abaxial, abaxil Se refiere a el lado de un órgano que está situado más lejos del eje; por ejemplo, la superficie inferior de una hoja. Equivalente a ventral, superficie inferior; opuesto a adaxial
Abayada, abayado Semejante a una baya.
Abcisión Proceso en el cual una parte de una planta se cae o separa, por ejemplo: Las hojas.
Abortion The process of arrested development.
Aborto Proceso de desarrollo detenido.
Abscission The process by which plant parts, such as leaves, are shed.
Acanthophyll A spine derived from a modified leaf or leaflet; e.g, in Desmoncus spp. (Arecaceae). Acanthophyll
Acantófilo Hoja u hojuela modificada en forma de gancho o espina; por ejemplo, en Desmoncus spp. (Areaceae) Acantófilo
Acaulescent Stemless or appearing stemless. Opposite of stemmed or caulescent.
Acaulescente Sin tallo o aparentemente sin tallo. Término opuesto a caulescente o provisto de un tallo.
Accessory fruit A type of fleshy fruit that includes some other part of the flower in addition to that which is derived from the ovary. Accessory fruits are usually indehiscent. Examples of this type of fruit are apples, figs, and strawberries. Accessory fruit
Accrescent Enlarging with age, usually referring to parts of an inflorescence or a flower; e.g., the spathe of some Araceae and the calyx of Chaunochiton kappleri (Olacaceae).
Achene A small, dry, indehiscent, one-seeded fruit derived from a superior ovary with the seed attached to the fruit wall at one point only; e.g., species Ranunculus and Carex. Compare with cypsela. Achene
Achlorophyllous Without chlorophyll; i.e., not green; a feature of saprophytes such as the species of Voyria (Gentianaceae), some species of orchids, the Triuridaceae, and the Burmanniaceae and of some parasites such as Helosis cayennensis (Balanophoraceae).
Acicular Needle-shaped.
Acicular Que tiene la forma de una aguja.
Aclorófila Sin clorofila; por ejemplo: La parte transparente de una planta. Esta es una característica de las saprófitas, como las especies de Voyria (Gentianaceae), algunas especies de orquídeas, las Triuridaceae y las Burmanniaceae, y también de algunas parásitas como Helosis cayennensis (Balanophoraceae).
Acrescente Que se agranda o crece con la edad. Este término usualmente se refiere a las partes de una inflorescencia o de una flor; por ejemplo: La espata de una Araceae o al cáliz de Chaunochiton kappleri (Olacaceae)
Acródroma Se refiere al tipo de venas en una hoja, en el que dos o más venas primarias o las venas secundarias cuando están fuertemente desarrolladas se arquean desde o cerca de la base. El término perfectamente acródroma se utiliza cuando esas venas convergen cerca del ápice, por ejemplo: Strychnos (Loganiaceae). Imperfectamente acródroma se utiliza cuando esas venas no convergen en el ápice.
Acrodromous A leaf venation pattern in which three or more primary veins orginate from a point (usually at the attachment with the petiole) and run in convergent arches to the apex of the blade. Acrodromous
Acronym An acronym is a code assigned by Index Herbariorum for the herbaria of the world with more than 5,000 collections; for example, the codes for The New York Botanical Garden (= NY), The Royal Botanic Gardens Kew (= K), and the Jardim Botânico do Rio de Janeiro (= RB) are provided. Acronym
Acropétalo Que se desarrolla desde la base y en dirección hacia el ápice. Opuesto a basipétalo.
Acropetalous Developing from the base toward the apex. Opposite of basipetalous.
Acroscopic Facing or directed toward the apex. Opposite of basiscopic.
Acroscópica Orientada hacia el ápice. Ver basiscópica.
Acroscópico De frente al ápice o en dirección a este. Opuesto a basiscópico.
Actinódromo Se refiere a un tipo disposición de las venas en una hoja, en el que tres o más venas primarias divergen radialmente desde un mismo punto.
Actinomorfa Cuando una estructura al ser dividida en más de un plano, resulta en dos partes iguales. Este término usualmente es aplicado a las flores, e.g. en Gustavia (Lecythidaceae) y a las especies de Myrtaceae. Actinomorfo es lo mismo que regular y radialmente simétrico. Es opuesto a zigomorfo. Actinomorfa
Actinomorphic A plant structure capable of being divided, in more than one plane, into two equal parts that are mirror images of one another; this term is most often used to refer to flowers.
Actinomorphic flower A flower, capable of being divided, by more than one line passing through the middle of the flower, into two equal parts that are mirror images of one another; e.g., in Gustavia (Lecythidaceae), species of Myrtaceae, and species of Rubiaceae. Same as polysymmetric, radially symmetrical, and regular flowers and opposite of zygomorphic, monosymmetric, bilateral, and irregular flowers. This term can refer to other plant parts as well. Actinomorphic flower
Acuática, acuático Que crece o habita en el agua. Acuática, acuático
Aculeado Provisto de acúleos (aguijones).
Acúleo Un aguijón o una espina.
Aculeus (Latin, pl. = aculei, adj. = aculeate) A prickle or a spine. Aculeus (Latin, pl. = aculei, adj. = aculeate)
Acumen Apex.
Acumen Ápice. Ver acuminado.
Acuminado Término aplicado mayormente a superficies laminares cuando gradualmente se angostan formando un ápice agudo cuyos lados son cóncavos. Comparar con acumen, agudo.
Acuminate Gradually tapering to an acute apex with the sides being concave. Acuminate
Acute Sharp; usually referring to the apex of a flattened structure (such as a leaf) in which the two sides are straight and, when they meet, form an angle that is always less than 90°. Acute
Ad- A prefix meaning “to” or “toward.”
Ad- Prefijo que significa hacia o en dirección a.
Adaxial Se refiere a el lado de un órgano que está situado hacia el eje; por ejemplo, la superficie superior de una hoja. Equivalente a dorsal, superficie superior; opuesto a abaxial
Adaxial Referring to the side of an organ facing toward the axis; i.e., the morphologically upper surface of a leaf. Opposite of abaxial and same as dorsal surface. Adaxial
Adaxial The upper part of a structure such as a leaf, i.e., that part of the structure that faces toward the main axis to which it is attached. For example, if a leaf is pushed upward and against a stem the surface facing toward the stem is the abaxial surface. Adaxial
Admedial Toward the axis of any structure, especially used to describe leaf venation. Opposite of exmedial. Admedial