Displaying 2076 - 2150 out of 3058 Object(s)

Term Definition
Palmately veined Referring to leaf venation in which the main veins of the blade radiate from a common point near the base. Palmately veined
Palmatinervia Se refiere a la disposición radial de los nervios que nacen desde un punto común en la base de una hoja Palmatinervia
Palmatisect Digitately divided; arranged like the fingers of a human hand.
Pampas A Spanish term referring to grass-dominated plains, especially those found in eastern Argentina.
pandurate Fiddle-shaped.
Panicle A compound raceme in which the primary branches are racemose, which, in turn, give rise to secondary and sometimes higher order racemose branches. Panicle
Pantanal A tropical wetland and the world's largest wetland of any kind. It lies mostly within the Brazilian state of Mato Grosso do Sul but extends into Mato Grosso as well as into parts of Bolivia and Paraguay
Papilionaceous corolla The zygomorphic corolla of most species of papilionoid legumes. Papilionaceous corolla
Papilionoid Referring to flowers similar to those of Fabaceae subfamily Papilionoideae; e.g., those of the Polygalaceae.
Papilla (plural = papillae, adj. = papillate) Small projections that are often found on leaf blade surfaces. Papillae usually represent modifications of the cuticle. Papilla (plural = papillae, adj. = papillate)
Papilla (plural = papillae; adj. = papillate) Referring to an abaxial leaf blade surface or a stigma that bears minute protuberances that appear to be outgrowths of the cuticle of the leaf blade or of the stigma. Papilla (plural = papillae; adj. = papillate)
Papillae Minute, rounded protuberances that may cover a surface, e.g., the abaxial leaf blade surfaceae. Papillae
Papirácea, papiráceo Con textura de papel. Equivalente a foliácea.
Papo, pappus Un cáliz modificado, con pelos, escamas o espinas, característico de muchas Asteraceae. Sinónimo de vilano.
Pappus A modified calyx of hairs, scales, or bristles typical of many Asteraceae. Pappus
Papyraceous Papery.
Paquicaule Forma de crecimiento en la que el árbol no posee ramificaciones (monocaule) o es apenas ramificado, los tallos son gruesos y las hojas son muy grandes
Paracytic stomata Referring to a stomatal type in which the two subsidiary cells are parallel to the long axis of the guard cells. The brachyparacytic type is the same as the paracytic type. Paracytic stomata
Paracytic stomata Referring to a stomatal type in which the two subsidiary cells are parallel to the long axis of the guard cells. The brachyparacytic type is the same as the paracytic type. Paracytic stomata
Parallel venation Generally applied to secondary or higher-order veins that are parallel to each other and to the margins of the leaf, sepal, or petal in which they occur but in monocots they are often numerous primary veins of the same size. Parallel venation
Parallelodromous Referring to a leaf venation in which there are multiple parallel primary veins that originate at the leaf blade base and converge toward the leaf blade apex. Mostly restricted to monocotyledons. See Ellis et al. 2009 for more detailed descriptions of leaf characters. Parallelodromous
Páramo A Spanish term referring to a high-elevation, humid, Andean vegetation ranging from Venezuela to northern Peru.
Paraphyletic A taxonomic group encompassing some but not all of the descendants of its most recent common ancestor. Paraphyletic
Parásita Se dice de un organismo que obtiene los nutrientes de un hospedante; por ejemplo, Helosis cayennensis (Balanophoraceae)
Parasite (parasitic) An organism that obtains its nutrition entirely (e.g., Helosis cayennensis) or partly (e.g., Loranthaceae) from other plants. Parasite (parasitic)
Parenchyma Ground tissue composed of mostly isodiametric, thin-walled cells that usually retain the ability to divide.
Parietal placentation A type of placentation found in compound, unilocular ovaries in which the ovules arise from placentae inserted on the wall of the locule near the sutures. Parietal placentation
Paripinnada Dos veces pinnada; por ejemplo, las hojas de muchas especies de Fabaceae-Mimosoideae. Ver pinnada Paripinnada
Paripinnate leaf Pinnate with an even number of leaflets; i.e., without a terminal leaflet. Same as even-pinnate and parapinnate.. Paripinnate leaf
Parthenogenic The production of offspring from an egg without fertilization.
Patch Size Score 0-10 scale of forest block size (>2 hectare to >20 hectares)
Patelliform Shaped like a kneecap; e.g., the glands of some species of Diospyros (Ebenaceae).
Patent Spreading.
Pearl bodies Glycogen-rich food bodies on the surfaces of the leaves of species of Pourouma (Cecropiaceae). Compare with Muellerian bodies. Pearl bodies
Peciolo Rabillo que une a la lámina de una hoja con el tallo o rama; en las hojas compuestas es el rabillo que está entre la inserción de la hoja en el tallo o rama y el par basal de foliolos Peciolo
Peciólulo Peciolo que sostiene a la hojuelas en las hojas compuestas. Hay varios órdenes de peciólulos en las hojas que son dos o más veces compuestas. En las hojas palmeadas-compuestas los peciólulos están dispuestos de manera radial desde un punto central Peciólulo
Peconha For trees smaller than ten centimeters in diameter, a climber can use an adjustable loop called a peconha in Brazilian Portuguese. A peconha was traditionally made of bark fiber, but is now made of canvas.The climber places it around his feet, grips the tree with both hands and his looped-together feet, and essentially hops up the tree. For more information about plant collecting see Tropical Plant Collecting: From the Filed to the Internet. This book can be purchased at: http://tecceditora.com/ or Amazon.com. Peconha
Pectinate Pinnately divided into many more or less parallel segments and resembling the teeth of a comb.
Pedaliform Resembling the sole of a foot in shape.
Pedate Palmately divided with the lateral divisions 2-cleft.
Pedatisect Pedately divided with the sinuses nearly reaching the middle. Compare with pedate.
Pedicel The stalk of the flower. Flowers without pedicels are called sessile. Pedicel
Pedicel (adj. = pedicellate) The stalk supporting some flowers. Pedicel (adj. = pedicellate)
Pedicel scar The scar left by the stalk to which the fruit is attached. Pedicel scar
Pedicel/hypanthium The pedicel is articulate in all species of Lecythidaceae. In some species the hypanthium tapers to the articulation and resembles a pedicel and, in other species, the hypanthium is truncate and does not resemble a pedicel. Thus, everything from the calyx to the articulation and from the articulation to the rachis is called the pedicel/hypanthium. Pedicel/hypanthium
Pedicel/hypanthium tapered to articulation The pedicel/hypanthium is tapered gradually to the ariculation such that a true pedicel appears to be present Pedicel/hypanthium tapered to articulation
Pedicel/hypanthium truncate at articulation There is no clear cut pedicel in this type of pedicel/hypanthium Pedicel/hypanthium truncate at articulation
Pedicelo Estructura usualmente linear u oblonga que sostiene a la flor
Peduncle The stalk of an inflorescence. Peduncle
Peduncular bract A bract on the peduncle in Arecaceae located on the main axis of the inflorescence between the prophyll and the first bract of the rachis; any bract associated with the peduncle; e.g., in the Orchidaceae. Peduncular bract
Pedunculate Possessing a peduncle.
Pedúnculo Parte basal del eje de la inflorescencia
Pega-pega Se refiere a plantas que dispersan sus frutos o semillas por contacto, pegándose a las plumas o pelos de los animales. Muchas malezas tienen este tipo de dispersión, frecuentemente se pegan a las ropas de las personas
Pellucid dots Dots that transmit light when held against a light source, often observed on the leaves of some species of Myrtaceae and Rutaceae. Pellucid dots
Pelos Combretáceos Se refiere a largos pelos unicelulares, agudos, con una pared muy gruesa, que poseen hacia la base un compartimento interior cónico; característico de las Combretaceae.
Peltada Se refiere a una lámina de la hoja cuyo peciolo está insertado en la porción inferior interna y no en el margen; por ejemplo, Nymphaea glandulifera (Nymphaeaceae) y Hydrocotyle umbellata (Apiaceae).
Peltate leaf Referring to a leaf blade attached to the petiole by its lower surface rather than its margin; for example species of Nymphaea glandulifera, Hydrocotyle umbellata, and those illustrated for this term. Peltate leaf
Peltate scale A scale attached to a stalk by its lower surface rather than its margin; for example, the abaxial and adaxial surfaces of the leaves of Dendrobangia boliviana, the leaves of species of Duguetia, and the leaves of species of Croton and other species of Euphorbiaceae, and many species of Capparidaceae may have peltate scales. Peltate scale
Pendent, pendulous Hanging.
Penicillate Shaped like an artist’s brush; e.g., the stigma of some species of Turnera (Turneraceae).
Pepo A fleshy, indehiscent, many-seeded fruit with a rigid exocarp typical of many species of Cucurbitaceae.
Percurrent growth In the Viscaceae, the longitudinal pattern of shoot growth through continued activity of the apical meristem.
Percurrent tertiary venation Tertiaries from the opposite secondaries joining (Hickey, 1973) Percurrent tertiary venation
Percurrent veins Veins of the same order that run parallel to each another between veins of a higher order; e.g., tertiary veins and their orientation between secondary veins. Percurrent veins
Perennate Referring to an organ; e.g., an inflorescence, persisting for more than one flowering period.
Perennial A plant that lives and produces seeds for three or more years. Compare with annual and biennial. Perennial
Perfect flower Referring to a flower that possesses both male (staminate) and female (pistillate) organs. Perfect flower
Perfoliate Referring to a stem that penetrates two leaf bases that are completely fused together. When two leaf bases wrap around the stem the leaf is said to be amplexicaulous or clasping. Perfoliate
Perfoliate Referring to a stem that with two leaf bases that are completely fused together, i.e., the leaves look as if their bases grew through the leaves. Perfoliate
Perforate Provided with holes; e.g., the leaves of some species of Monstera (Araceae). Perforate
Pergameneous With the texture of parchment.
Perianth The collective term for the calyx and the corolla, even when they are not differentiated (i.e., represented by tepals). Perianth
Perianto Término general para referirse al cáliz y a la corola, aún cuando no están diferenciados (en este caso el perianto está compuesto por los tépalos).
Pericarp The wall of the fruit, which is usually made up of three layers: exocarp, mesocarp, and endocarp. Pericarp
Pericarp The wall of the fruit, which is usually made up of three layers, the exocarp, mesocarp, and endocarp which are the outer, middle, and and inner layers of the fruit, respecitively.