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Leaf venation brochidodromous
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Referring to a type of leaf venation in which the secondary veins do not terminate at the margin but join to form a series of prominent arches that form a submarginal nerve; for example, in many Myrtaceae. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation brochidodromous
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Secondaries joined together in a series of prominent arches. Based on Hickey, 1973. For more information abouit leaf venation see Ellis et al, 2009. |
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Leaf venation brochidodromous festooned
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Referring to a type of leaf venation in which the secondary veins do not terminate at the margin but join to form a series of prominent arches that form a submarginal nerve and, in addtion, the secondary veins possess closed loops toward their apices. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation camptodromous
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Referring to a type of leaf venation in which the secondary veins do not terminate at the margin; in one type each secondary vein connects with the seconday vein above it (brochidodromous) and in the other type the secondary veins do not connect with the secondary vein above it (eucamtodromous). Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation camptodromous
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A type of leaf venation in which the secondary veins do not terminate at the margens |
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Leaf venation campylodromous
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Referring to a type of leaf venation in which a series of more or less equal primary veins originate from a common point at the base, arch upward, and reunite toward the apex; e.g., species of Aristolochia (Aristolochiaceae). |
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Leaf venation cladodromous
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Referring to a type of leaf venation in which the secondary veins branch freely before they reach the margin. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation eucamptodromous
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Referring to a type of leaf venation in which the secondary veins do not reach the margin and do not form a series of prominent arches. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation eucamptodromous
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Secondaries upturned and gradually diminishing apically inside the margin but not connecting to the secondary above it. Based on (Hickey, 1973. For more information about leaf venation see Ellis et al. (2009). |
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Leaf venation flabellate
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Referring to leaf venation with several to many fine basal veins that spread out from the base like a fan and divide somewhat toward the apex. Based on Ellis et al., 2009. |
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Leaf venation hyphodromous
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Referring to a leaf blade with all but the midvein absent or not visible because the leaf blade is too fleshy for them to be seen. |
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Leaf venation imperfect acrodromous
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Referring to a type of leaf venation in which two or more primary or strongly developed secondary veins arch upward from or above the base and do not converge at the apex. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation mixed craspedodromous
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Referring to a type of leaf venation in which some of the secondary veins terminate at the leaf margins and the remainder of the secondary veins do not, e.g. half of the secondary veins are craspedodromous and the other half camptodromous. |
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Leaf venation perfect acrodromous
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Referring to a type of leaf venation in which two or more primary or strongly developed secondary veins arch upward from the base or above the base and converge near the apex. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation reticulodromous
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Referring to a leaf venation type in which the secondary veins form a network of veins soon after departing from the midrib. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation simple craspedodromous
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Referring to a type of leaf venation in which all of the secondary veins terminate at the leaf margins. |
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Leaf venation suprabasal acrodromous
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Referring to a type of leaf venation in which two or more primary or strongly developed secondary veins arch upward from above the base. Based on Hickey, 1973. For more information about leaf venation see Ellis et al, 2009. |
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Leaf venation suprabasal actinodromous
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Referring to a type of leaf venation in which three or more primary veins diverge radially from a single point above the point of attachment of the petiole. |
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Leaflet
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A division of a compound leaf. |
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Leaflets alternate
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Leaflets not placed along the rachis of a pinnately compound leaf directly opposite one another. |
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Leaflets opposite
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Referring to leaflets placed along the rachis directly opposite of one another. |
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Leafstalk
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In legumes, the main axis of the leaf from its attachment to its apex; i.e., the petiole plus the rachis. |
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Legume
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A fruit that is derived from a single carpel, dehisces along two sutures, and is usually dry and several-seeded. Although most species of the legume family possess legumes, a number of them do not (e.g., species of Andira). |
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Legume family
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Informally, a member of the legume family sensu lato (Fabaceae). Some species of legumes are indehiscent. |
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Lemma
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The lower of the two bracts that enclose the floret of the Poaceae, located above the glumes. Compare with palea. |
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Lenticel
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A spongy area in the bark of roots, trunks, and stems and the pericarp of fruits that allows the interchange of gases. Lenticels are the equivalent of stomates in leaves. |
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Lenticel (adj. = lenticellate)
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A spongy area in the bark of roots, trunks, and stems that allows the interchange of gases with the environment. |
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Lenticellate
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Possessing lenticels. |
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Lenticellate
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Possessing lenticels. |
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Lenticular
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Lens-shaped. |
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Lepanthiform
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Referring to tubular sheaths of leaves in the Orchidaceae that are flared and usually ciliate at the apex. |
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Lepidoptera
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The order of insects including the butterflies and moths, as adults these insects are often pollinations of flowering plants and as junveniles they are often predators of plants. |
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Lepidopylls
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Scalelike leaves found at the apical meristems of stems and rhizomes of Gunneraceae. |
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Lepidote
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Covered with small, peltate scales. |
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Leprose
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See scurfy. |
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Leptocaul
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A type of growth form in which the tree is branched many times and the stems and leaves are not unusually large. |
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Leptocaul (leptocaulous)
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A type of growth form in which the tree is branched many times and the stems and leaves are not unusually large. Most trees on the Osa have this type of growth form. |
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Leptocaule
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Forma de crecimiento en la que el árbol tiene muchas ramificaciones y los tallos y hojas usualmente no son muy grandes. La mayoría de los árboles de Osa tienen esta forma de crecimiento |
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Liana
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Planta trepadora leñosa. Comparar con trepadora herbácea |
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Liana
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A woody climbing plant. Same as woody climber; compare with vine. |
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Libre
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Se refiere a las partes de un mismo órgano que no están fusionadas entre sí; por ejemplo, cuando los pétalos están separados se dice que son libres |
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Lignified
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Transformed into wood. |
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Lignin (ligneous)
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A complex component of wood and of all vascular plant cells (woody). |
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Lígula
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Órgano loriforme; por ejemplo, la lámina de la corola de una flor radial de algunas Asteraceae; la estructura interna en la vaina de las hojas de Cyperaceae, Poaceae y Zingiberaceae; la estructura que se encuentra en los pétalos de algunas Bromeliaceae; la estructura que se encuentra en la corona de algunas Apocynaceae; o la estructura del androceo de las flores zigomorfas de Lecythidaceae |
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Lígula enrollada
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Se refiere a la lígula de las Lecythidaceae que está enrollada una hasta varias veces hacia la parte interior. En especies con lígulas enrolladas, la parte enrollada que porta los estambres rudimentarios se denomina la capucha del androceo. Especies de Eschweilera y Couratari son las únicas que poseen lígulas enrolladas y nectarios hipotéticamente derivados de los estambres vestigiales |
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Lígula no enrollada
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Se refiere a la lígula de las Lecythidaceae que no está enrollada hacia el interior. En la Península de Osa, este tipo de lígula solamente se conoce en Lecythis mesophylla. Esta especie presenta estambres rudimentarios dirigidos hacia el interior, pero su lígula no se encuentra enrollada hacia el interior, como sucede en las especies de Eschweilera y Couratari. En L. mesophylla, la capucha es la parte de la lígula que porta los estambres rudimentarios. |
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Ligular sulcus
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A groove or furrow close to the point where the androecial hood begins, i.e., between the appendix-free ligule and the androecial hood. |
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Ligulate
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Furnished with a ligule. |
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Ligulate capitulum (head)
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Inflorescence of Asteraceae with only ligulate flowers. |
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Ligulate flower
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A zygomorphic flower with a straplike corolla found in the Asteraceae tribe Lactuceae. Differring from a ray flower by having five instead of three lobes. |
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