Displaying 76 - 100 out of 3058 Object(s)

Term Definition
Alate With a thin, conspicuous ridge running down the length of a structure such as a stem, leaf rachis, ovary, or fruit. Same as winged. Alate
Albumen General term for the nutritive tissue of the seed located between the embryo and seed coat.
Albumen Término general que se aplica en la semilla al tejido nutritivo que se encuentra localizado entre el embrión y la cubierta.
Albuminada (albuminosa) Que tiene albumen.
Albuminate (albuminous) With albumen
Alcaloide Compuesto orgánico de base nitrogenada que frecuentemente se encuentra en las plantas tóxicas. Los alcaloides podrían proteger a las plantas de ser predadas por herbívoros. Algunos alcaloides como la cafeína que se encuentra en el café (Coffea arabica), son de importancia económica.
Alien An animal, plant, or microbe that is introduced or naturally dispersed from one area into to another area. There are two types of alien plants, adentives that cause no apparent economic and ecological harm (e.g., the common mullein) and invasives that cause economic or ecological harm (e.g., the Japanese knotweed). Alien
Aliform Winglike; e.g., the seeds of many Bignoniaceae.
Aliforme Como ala; por ejemplo, las semillas de muchas Bignoniaceae.
Alkaloid An organic, nitrogen-based compound found in plants that are often somewhat toxic. Alkaloids may protect plants from predation by herbivores and others, such as the cafeine found in coffee (Coffea arabica), are of economic importance.
Allantoid A solid form sausage-like in outline. Allantoid
Alternas Se aplica a las hojas que están dispuestas de manera solitaria en cada nudo en una rama. Comparar con opuestas y verticiladas Alternas
Alternate Referring to leaves and other structures that arise from an axis singly at each node, the leaves can be either simple or compound. Compare with opposite and whorled. Alternate
Alternate leaves Referring to leaves that arise from an axis singly at each node, the leaves can be either simple or compound. Compare with opposite and whorled.
Alternation of generations Referring to the alternation of the haploid (n) and diploid (2n) generations of plants. In the lower plants (e.g., the bryophytes), the gametophyte generation is the dominant phase and the sporophyte generation depends on it for photosynthate. In contrast, in the higher plants (e.g., the flowering plants) the sporophyte generation is the dominant phase and the gametophyte depends on it for photosynthate. Alternation of generations
Alveolada Como un panal de abejas; por ejemplo, con fosas angulares separadas por septos delgados.
Alveolate Like a honeycomb; i.e., with angular pits separated by thin, ridgelike partitions.
Alveolo Una fosa pequeña y angulada, como las celdas de un panal de abejas.
Alveolus (plural = alveoli) A small, angular pit like those of a honeycomb.
Ament A spike with closely congested, often apetalous, unisexual flowers; e.g., staminate inflorescences of species of Betulaceae. Same as catkin. Aments are generally associated with wind pollination. Ament
Amento Racimo espiciforme denso de florecitas inconspicuas, generalmente unisexuales.
Amfisarco Un fruto simple, indehiscente, cuyo pericarpo es externamente diferenciado en una corteza seca y al interior en una o más capas carnosas .
Amphisarcum (plural = amphisarca) A simple, indehiscent fruit with the pericarp differentiated externally into a dry crust and internally into one or more fleshy layers. Amphisarcum (plural = amphisarca)
Amphitropous Referring to an ovule with a curved embryo sac in which the stalk (funicle) is curved such that the tip of the ovule and the base of the stalk are near one another. Compare with anatropous.
Amplexicalous —