Results 181 to 190 of about 4,187 (202)
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HYDRILLA VERTICILLATA (HYDROCHARITACEAE): NEW TO LOUISIANA
1974(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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1955
Annual or perennial freshwater and marine plants. Leaves submerged, rarely floating or partly emerged, radical or arranged along a stem, spirally whorled, distichous, or in pairs, linear, lanceolate, elliptic, ovate or orbicular, sessile or petioled; petioles mostly sheathing; nerves more or less parallel, straight or curved, connected by perpendicular
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Annual or perennial freshwater and marine plants. Leaves submerged, rarely floating or partly emerged, radical or arranged along a stem, spirally whorled, distichous, or in pairs, linear, lanceolate, elliptic, ovate or orbicular, sessile or petioled; petioles mostly sheathing; nerves more or less parallel, straight or curved, connected by perpendicular
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SYMMETRY AND DEVELOPMENT OF LIMNOBIUM SPONGIA (HYDROCHARITACEAE)
American Journal of Botany, 1974Limnobium spongia produces upright vegetative axes and prostrate stolons. The upright axes bear new stolons, whereas the stolons bear new upright axes and fertile and sterile branching systems. Upright axes and fertile and sterile branching systems are all interpreted to have sympodial growth. However, it was not determined whether growth of stolons is
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Floral development of Maidenia rubra Rendle, (Hydrocharitaceae)
Australian Journal of Botany, 1983Floral development of Maidenia rubra was followed from initiation to maturity. Plants are dioecious. Both male and female inflorescences develop from complexes initiated subapically. Complexes have three meristematic components that include two inflorescence initials flanking a central primordium; these form sequentially in the axil of the preceding ...
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A revision of the genus Apalanthe (Hydrocharitaceae)
Aquatic Botany, 1985Abstract An account of the tropical South American genus Apalanthe is given. One species, A. granatensis (Humboldt and Bonpland) Planchon is recognised. A description, with full synonymy and typification with illustrations, distribution map and notes on affinities is presented.
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2009
There is new species of the water vascular plant Egeria densa Planchon has been found in the Dnip-ro near Kyiv.
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There is new species of the water vascular plant Egeria densa Planchon has been found in the Dnip-ro near Kyiv.
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2009
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