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Term Definition
Lóbulo corolino Es cada uno de los segmentos más o menos libres que están en la porción terminal de una corola gamopétala (o simpétala) Lóbulo corolino
Lóbulo de la corola Son los segmentos superiores, libres, de una corola simpétala.
Lóbulo del cáliz Similar a sépalo, término utilizado para la parte superior libre de los sépalos, cuyas bases se encuentran fusionadas. Se aplica con menor frecuencia para describir especies de algunas familias que tienen ovarios inferiores, cuya parte inferior del cáliz hipotéticamente se encuentra fusionada con el ovario hacia la base, pero con los lóbulos libres dispuestos en el ápice del ovario.
Locellus (plural = locelli) A small, secondary compartment.
Locular (loculate) Divided into locules, such as an ovary or an anther.
Locule A chamber or cavity, such as that of an ovary or fruit that contains the ovule(s) or seed(s). Locule
Locule A chamber, such as that of an ovary or fruit, that contains the ovule(s) or seed(s), respectively. Locule
Locule orientation Locule orientation with the longest axis of a locule to the central axis of an ovary as seen in a medial longitudinal section. Locule orientation
Locule orientation horizontal A locule oriented with the greatest length more-or-less at right angles to the long axis of the ovary, i.e., at a right to the upper/lower septum as seen in longitudinal section. Locule orientation horizontal
Locule orientation oblique A locule with the greatest length more-or-less paralleling the long axis of the ovary, i.e., parallel to the upper/lower septum as seen in longituindal section. Locule orientation oblique
Locule orientation vertical A locule with the greatest length more-or-less paralleling the long axis of the ovary, i.e., parallel to the upper/lower septum as seen in longituindal section. Locule orientation vertical
Locule width at apex The position at which the locule's greatest width is near the apex of the locule as viewed in a medial longitudinal section. Locule width at apex
Locule width at middle The position at which the locule's greatest width is in the middle of the locule as viewed in a medial longitudinal section. Locule width at middle
Locule width throughout The position at which the locule's greatest width is equal through much of the locule as viewed in a medial longitudinal section. Locule width throughout
Locule with intermediate The position at which the locule's greatest width is between the middle and the apex.
Loculicidal capsule A dry, dehiscent fruit that opens in the middle of the locule. Compare with septicidal capsule. Loculicidal capsule
Lóculo Es una cámara o cavidad que se encuentra dentro del ovario o fruto, contiene el(los) óvulo(s) o semilla(s)
Lodicule A small, colorless scale appressed to the ovary of most Poaceae that may represent a vestige of the perianth. Lodicule
Loggy-ness Score 0-5 scale accounting for abundance of logs at the site
Loma A Spanish term referring to the dry vegetation found along the coast of Peru.
Loment A type of legume fruit in which each single-seeded segment breaks away from adjacent segments; e.g., in Desmodium (Fabaceae). Loment
Lomentiform Like a loment. Lomentiform
Longitudinal anther dehiscence Same as lateral anther dehiscence.
Longitudinal section A cut along the long axis of an organ but not necessarily through the middle of the organ. Compare with medial section.
Longitudinal section A cut along the long axis of an organ but not necessarily through the middle of the organ. Compare with medial section. Longitudinal section
Lophate Referring to a type of pollen ornamentation in which the exine is raised in a network of ridges surrounding depressions.
Lorate Referring to a two dimensional shape in which the greatest width extends throughout a middle zone at least one-third the length of the blade (in this zone the margins are more-or-less parallel) and the length to width ratio is 6:1 to less than 10 . Same as strap-like. Lorate
Loriforme Con forma de cinturón. Se refiere a la forma de una lámina de una hoja, que es larga, angosta, plana y cuyas márgenes son paralelas Loriforme
Lower See abaxial.
Lower septum A wall-like partition of a locule located basally to an articulation (often only seen as a thin line), as seen in longitudinal section, that separates it from an upper septum. Lower septum
Lower/upper septum Referring to the combined lengths of the lower and the upper septa as seen in longitudinal sections. The two septae are divided by a septal articulation. The lower septa gives rise to the placenta and the upper septum develops into the columella of the fruit. Lower/upper septum
Lower/upper septum articulation A joint between the lower septum and the upper section as seen in a longitudinal section of the ovary. Lower/upper septum articulation
Lumper A person (usually a plant taxonomist) that recognizes species of plants with considerable morphological variation included in their concept of species. This often results in placing other names, which may even represent valid species in themselves, in synonymy of the name used by the author for the species being described, this is called lumping species. Lumper
Lunate Crescent- or half-moon shaped.
Lustrous Shiny.
Lutescent Becoming yellow.
Lycopod Referring to a vascular plant group that does not produce seeds. Lycopodium, Isoetes, and Selaginella are in this group but belong to different orders. Lycopodium is homosporous and the other two genera are heterosporous. Lycopod
Lysigenous Referring to an intercellular space caused by the dissolution of cells.
Macaronesia The geographic region including five island groups off the northwest coast of Africa: Azores, Madeira, Canary Islands, Cape Verde Islands, and Salvages.
Macrophyte A plant large enough to be seen with the naked eye; often used to distinguish between vascular and nonvascular aquatic plants.
Macropodial embryo A solid embryo without differentiated cotyledons; e.g., in Lecythis spp. (Lecythidaceae) and Monstera spp. (Araceae). Macropodial embryo
Macula (maculate) A spot or blotch (a structure with spots or blotches). Macula (maculate)
Macula (pl. = maculae, adj. = maculate) A spots or a blotches, usually leaves, with a color other than green (often white).. Macula (pl. = maculae, adj. = maculate)
Magnoliophyta The scientific name of the phylum of vascular plants that bear flowers.
Magnoliopsida The scientific name of the paraphyletic class of vascular plants that produce flowers and seeds usually with two cotyledons, also known as the dicotyledons.
Male flower Referring to unisexual flowers with functional stamens but without functional gynoecia (pistillodes may be present). Same as pistillate flower. Male flower
Malesia The geographic region including six southeastern Asian countries: Indonesia, Malaysia, Singapore, Brunei Darussalam, the Philippines, and Papua New Guinea.
Malpighiaceous trichomes Hairs that are unicellular, appressed, and attached by the middle; common in the Malpighiaceae, in which they can be T-shaped or Y-shaped.
Many In botanical descriptions, meaning more than 10. Same as numerous. If a description says "stamens many" it means that there are at least 10 of them.
Marcescent Withering but persisting; e.g., a wilted corolla that persists on the fruit. Marcescent
Marginal leaf vein A leaf vein that runs more-or-less parallel to the margin of a leaf. Marginal leaf vein
Marginal placentation A type of parietal placentation in which the ovules arise along the margins of the carpel. Compare with laminar placentation; see placentation. Marginal placentation
Marginate Very narrowly winged; e.g., the rachis of the leaf of a number of species of Inga (Fabaceae). Same as alate or winged.
Marginicidal dehiscence See septicidal and septifragal dehiscence. Marginicidal dehiscence
Marmorate Marblelike in appearance.
Mata Atlântica A Portuguese term referring to rain forest running along the Atlantic coast of Brazil from the state of Rio Grande do Norte to the state of Rio Grande do Sul in a band from 120 to 160 kilometers wide. This band may be interrupted in various places by other types of vegetation.
Mauve Pinkish blue.
Medial longitudinal section A cut along the long axis of a flower such that the style is also cut lontidutinally. Medial longitudinal section
Medial section A cut along the long axis and through the middle of an organ. Compare with longitudinal section. Medial section
Median Of the middle.
Medifixed Referring to an organ that is attached in the middle.
Mega- A prefix meaning large.
Megagametophyte The female gametophyte of angiosperms (flowering plants). Same as embryo sac. Megagametophyte
Megaphyll A leaf with more than one vein; characteristic of ferns, gymnosperms, and flowering plants. See microphyll.
Megasporangium (plural = megasporangia) A structure in which megaspores are formed.
Megaspore A spore that develops into a female gametophyte.
Megasporophyll A leaf bearing a megasporangium.
Membranácea, membranáceo Que posee la textura de un papel delicado y delgado.
Membranaceous Having the texture of a thin and delicate paper.
Membranaceous Having the texture of a thin and delicate paper.
Membranous Thin and flexible.
Mentum In some Orchidaceae, a lateral (sometimes nectariferous) projection from the base of the column formed by the fusion of the base of the column and the lateral sepals; common in Scaphyglottis.
Mericarp One of the units of a schizocarp. The mericarps split from the schizocarp but the mericarps are not dehiscent.. Mericarp
Meristem Undifferentiated plant tissue from which new cells arise.
Merous Referring to a fixed number of parts of a given organ, e.g., a flower that has 5 sepals, 5 petals, etc is 5-merous. Merous