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Displaying 1 - 40 out of 150 Object(s)
Term Definition
Adventive Referring to a plant or animal that has become established in a region to which it is not native but does not cause noticible economic or ecological harm. An adventive plant. Photo  by C. A. Gracie.
Aguajal A Spanish name referring to a palm swamp dominated by palms . Same as morichal in Spanish and burital in Portuguese. Palm swamp forest. Drawing by C. Gracie.
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). A invasive plant. Photo by S. A. Mori.
Ant garden A ball of roots that forms in certain species of epiphytic plants and is inhabited by ants. A invasive plant. Photo by S. A. Mori.
Aquatic Growing in or on the water. Floating aquatic. Photos by C. A. Gracie.
Autochorous A type of seed dispersal in which the diaspore is ejected by the action of the parent plant. Botanical line drawing of Hura crepitans. Drawing by B. Angell.
Autotroph (autotrophic) Capable of synthesizing complex organic substances from simple inorganic substrates, i.e., it photosynthesizes. An autotrophic plant. Photo by J. A. Kallunki.
Biota The totality of organisms found in a given environment. Rain forest biota. Photo by C. A. Gracie.
Bladder A thin-walled, inflated, small sac found in species of . The function of these sacs is to capture very small organisms, such as mosquito larvae, which are decomposed and the nutrients (e.g., nitrogen) released are then assimilated by the plant. Bladders of Utricularia intermedia. Photo by S.A. Mori.
Burital A Portuguese name referring to palm swamps dominated by palms . Same as aguajal and morichal in Spanish. Palm swamp forest. Drawing by C. Gracie.
Caatinga A Portuguese term referring to a dry, thorn-scrub, deciduous vegetation of northeastern Brazil. Do not confuse eastern Brazilian caatinga with Amazonian caatinga. Caatinga of eastern Brazil. Photo by S. A. Mori.
Calcareous Referring to a calcium rich soil. Caatinga of eastern Brazil. Photo by S. A. Mori.
CAM See Crassulacean acid metabolism. Caatinga of eastern Brazil. Photo by S. A. Mori.
Campina A Portuguese term referring to a vegetation type similar to savanna found on white sand soils in the Brazilian Amazon. White sand savanna (= campina in Brazil) in Suriname. Photo by S. A. Mori.
Campinarana A Brazilian name for a low forest growing on white sand which is the first step in plant succession starting with open, white sand areas caused by disturbance, then to campina, followed by campinarana, and finally to terra firme forest. Campinarana vegetation. Photo by S. A. Mori.
Campo rupestre A Portuguese term referring to a rocky kind of savanna, usually at midelevations in Brazil. Species of several plant families; e.g., Asteraceae, Eriocaulaceae, Melastomataceae, Velloziaceae, Xyridaceae, etc., are characteristic of this vegetation. A view of campo rupestre. Photo by S. A. Mori.
Campos de altitude A Portuguese term referring to savanna or prairie like vegetation at high altitudes in Brazil. A view of campo rupestre. Photo by S. A. Mori.
Canopy tree layer A hypothetical layer in tropical rain forest consisting of trees that form a ± continuous layer commonly at a maximum height of about 25–35 meters in the Neotropics. Stratification of rain forest. Cartoon by M. Sashital.
Carnivory (adj. = carnivorous) A plant which captures animals such as rotifers, mosquito larvae, adult insects, etc. which are decomposed on or within the leaves of the plant and the nutrients released (e.g., nitrogen) are assimilated by the plant. This term also applies to animals eating other animals. Bladders of Utricularia intermedia. Photo by S.A. Mori.
Cerrado A Portuguese term referring to a type of vegetation with scatttered shrubs and relatively small, often contorted trees with thick bark and grasses and sedges dominating the understory. Savanna (= cerrado) vegetation. Photo by S. A. Mori.
Chacó A Spanish term referring to a dry, thorn-scrub, deciduous vegetation found mostly in Paraguay and known as pantanal in adjacent Brazil. Savanna (= cerrado) vegetation. Photo by S. A. Mori.
Chaparral A mild, temperate region with cool, moist winters and long, dry summers dominated by sclerophyllous, evergreen shrubs. Savanna (= cerrado) vegetation. Photo by S. A. Mori.
Chiropterochory (chiropterochorous) Referring to diaspores that are carried away from the mother plant by bats. Most bat-dispersed seeds dispersed by bats have either berry-like fruits or fruits with the seeds provided with a fleshy associated structure such as an aril. A few other species have the fruits surrounded by a fleshy perianth (e.g., the diaspores of species of Cecropia). Same as bat-dispersed. Bat-dispersed Vismia. From T. Lobova et al.
Cloud forest A mid-elevation vegetation type often covered in clouds. Cloud forest is dominated by low, snarled trees covered with mosses and liverworts. Species of orchids are abundant in this vegetation type and tree ferns are often conspicuous. Depending on local climate, distance from the sea, and isolation from other mountain ranges, cloud forest can be found between 500 and 4000 meters but it is most frequent between 1000 and 2000 meters. Cloud forest in Panama. Photo by S. A. Mori.
Coevolution A reciprocal process in which adaptations of one organism promote adaptations in another; e.g., the nocturnal anthesis of a cup-shaped flower and the elongated snout of a bat that pollinates that flower. Coevolution of a bat and a plant. Photo by B. Keeley.
Crepuscular Appearing during the twilight hours of dusk and dawn. Coevolution of a bat and a plant. Photo by B. Keeley.
Deciduous A process in which certain structures of a plant, e.g., leaves, fall in response to enviromental changes. Deciduous vs. evergreen Trees. Cartoon by M. N. Sashital.
Diapause A temporary pause in the development of an organism, especially an insect. Deciduous vs. evergreen Trees. Cartoon by M. N. Sashital.
Diurnal Appearing during the day, such as a flower at anthesis. Nectar in the diurnal flowers of a species of Sapotaceae. Photo by C. A. Gracie.
Domatium (plural = domatia) Referring to axillary cavities, enclosed chambers, hollow stems, hollow petioles, modified stipules, or clusters of trichomes that harbor ants, mites, and other invetebrates. All of these structures are called domatia. Domatium of Cariniana domestica. Photo by Y.-Y. Huang
Dormancy In botany, usually referring to a period of time during which a seed shows no activity; e.g., a seed released during the dry season may remain dormant until rains beginn. Domatium of Cariniana domestica. Photo by Y.-Y. Huang
Drip tip A long, tapered leaf blade apex that is thought to help water drain form the blades thereby reducing the number of epiphylls that become established on the leaf. Drip tip. Drawing by C. A. Gracie.
Dysozoochorous A type of secondary seed dispersal in which some of the diaspores are carried away and intentionally buried or stored (cached) by scatter-hording animals such as agoutis ( spp.) while the other diaspores are eaten and digested, e.g., the dispersal of Brazil nut seeds by agoutis. Same as scatter-hoarding. Red-rumped agout removing seeds from a Brazil nut fruit. Painting by M. Rothman.
Ecology Dome-like granitic outcrops common on the Guayanan Shield of northeastern South america. Inselbergs are sparsely covered by vegetation which often occurs as clumps here-and-there and separated by bare rocks. Low gnarled trees of species of Clusia are often dominant in this vegetation type. Most inselbergs occur below 1000 meters altitude. Inselberg in French Guiana. Photo by B. Keeley.
Edaphic Of or relating to soil. Inselberg in French Guiana. Photo by B. Keeley.
Emergent aquatic plant A plant rooted under water but with the upper parts emerging above the surface. Inselberg in French Guiana. Photo by B. Keeley.
Emergent tree layer A hypotherical layer in tropical forests made up of species of the tallest trees with crown emerging above the canopy tree layer. Stratification of rain forest. Cartoon by M. Sashital.
Endophyte A plant living partially or entirely within another plant. Stratification of rain forest. Cartoon by M. Sashital.
Endozoochorous A type of seed dispersal in which the diaspore is ingested and passes unharmed through the digestive tract of an animal. Stratification of rain forest. Cartoon by M. Sashital.
Ephemeral Lasting a short time; for example, a spring emphemeral in temperate regions that flowers and sets fruits before the canopy trees leaf out or a tree such as species of Tabebuia that flower for only a few days, thus the flowers are ephemeral. Same as evanescent. A spring emphemeral. Photo by C. A. Gracie.