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Marathrum Trichophorum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Rubrum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Podostemaceae Genera
Podostemaceae (riverweed family), a family in the order Malpighiales, comprise about 50 genera and species of more or less thalloid aquatic herbs. Distribution and habitat They are found mostly in tropical and subtropical areas worldwide. Many species are found in a very small geographic area, often even just a single river or waterfall. Because of their small range, many species are seriously threatened, especially from habitat loss (for example, due to dams flooding their habitat). Riverweeds adhere to hard surfaces (generally rock) in rapids and waterfalls of rivers. They are submerged when water levels are high, but during the dry season they live a terrestrial existence, flowering at this time. Their root anatomy is specialized for the purpose of clinging to rocks, and in fact details of the root structure are one of the ways of classifying riverweeds. Ecology In many rivers, Podostemaceae are an important food source for a wide range of animals. For example, the tadp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Utile
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Trichophorum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Tenue
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Striatifolium
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Schiedeanum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Plumosum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flowering Plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants that produce their seeds enclosed within a fruit. They are by far the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Angiosperms were formerly called Magnoliophyta (). Like gymnosperms, angiosperms are seed-producing plants. They are distinguished from gymnosperms by characteristics including flowers, endosperm within their seeds, and the production of fruits that contain the seeds. The ancestors of flowering plants diverged from the common ancestor of all living gymnosperms before the end of the Carboniferous, over 300 million years ago. The closest fossil relatives of flowering plants are uncertain and contentious. The earliest angiosperm fossils ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Pauciflorum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marathrum Foeniculaceum
''Marathrum'' is a genus of flowering plants belonging to the family Podostemaceae. Its native range is Mexico to Tropical America. Description Small to medium-sized stemless herbs known to be attached to roots in only a few species, the sterile plants often larger and coarser than the fertile, with an irregular, sometimes branched, adhesive base. Leaves either distichous or inserted along the margin of the thalloid base, repeatedly pinnate with all the pinnae alternate or slightly opposite, or entire with a few lobes along the margin; petiole sometimes fleshy, often dilated at the base. Flowers at first enclosed in a persistent, membranaceous spathe which splits irregularly at the tip, 1 to many, solitary or fascicled between the leaf-bases; pedicel scarcely enlarged at the tip in some species, in others abruptly enlarged; tepals 3-25 in a complete or incomplete whorl, inconspicuous, squamiform to filiform, inserted on the margin of the receptacle in species with enlarged pedi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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