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Wolffia are free-floating aquatic plants with fronds that are nearly spherical to cylindrical in shape and lack airspaces or veins. [1] [3] They do not have roots. [1]Their rarely seen flowers originate from a cavity on the upper surface of the frond, and each flower has one stamen and one pistil.
The flower of Nymphaea alba, a species of water lily Bud of Nelumbo nucifera, an aquatic plant. Aquatic plants also referred to as hydrophytes [1] are vascular plants and non-vascular plants [2] that have adapted to live in aquatic environments (saltwater or freshwater).
At one time Morocco formed a land bridge between Africa and Europe and as a result, the flora is very diverse; it includes about 3,900 species of plant in 981 genera and 155 families. The most important families, together constituting over half of the species richness, are Apiaceae , Asteraceae , Brassicaceae , Caryophyllaceae , Fabaceae ...
Early world travelers must have had a good eye for unusual and beautiful plants (and good climbing boots), because they took these lovelies back to Europe before 1820. ... Or that the flowers are ...
The flora of Honduras is varied. Pluvioselva, classified a tropical rain forest, is one of its most impressive vegetal populations.Ecologists designated it "Hygrophilous Megatherm Type", for corresponding to regions of high humidity and constant high temperatures, with a single dominant species, like pines or firs, covering big areas.
The temnospondyl Eryops had sturdy limbs to support its body on land Red-eyed tree frog (Agalychnis callidryas) with limbs and feet specialised for climbing Japanese giant salamander (Andrias japonicus), a primitive salamander The bright colours of the common reed frog (Hyperolius viridiflavus) are typical of a toxic species Wallace's flying frog (Rhacophorus nigropalmatus) can parachute to ...
The name instead derives from the Greek helos, meaning "marsh", so a more accurate translation of their scientific name would be marsh pitcher plants. [2] Species in the genus Heliamphora are carnivorous plants that consist of a modified leaf form that is fused into a tubular shape. They have evolved mechanisms to attract, trap, and kill ...
Plants are usually monoicous, and sexual reproduction is by antheridia and archegonia. Asexual reproduction occurs by spores, by fragmentation of the rosettes, and by formation of apical tubers. Spores are large (45 to 200 μ) and formed in tetrads. [2] The sporophyte of Riccia is the simplest amongst bryophytes. It consist of only a capsule ...