منابع مشابه
Imperfect replacement of native species by non-native species as pollinators of endemic Hawaiian plants.
Native plant species that have lost their mutualist partners may require non-native pollinators or seed dispersers to maintain reproduction. When natives are highly specialized, however, it appears doubtful that introduced generalists will partner effectively with them. We used visitation observations and pollination treatments (experimental manipulations of pollen transfer) to examine relation...
متن کاملA new species of Heterorhabditis from the Hawaiian Islands.
A new species of nematode of the genus Heterorhabditis (Nemata: Heterorhabditidae) was found during a survey of the soil entomopathogenic nematode fauna of the Hawaiian Islands. Heterorhabditis hawaiiensis sp. n. can be separated from all other species of Heterorhabditis by the length of the infective juvenile and the morphological characters of the spicules, gubernaculum, and bursa. Random amp...
متن کاملdetection of volatile compounds of medicinal plants with some nano-sorbents using modified or new methodologies and investigation of antioxidant activity of their methanolic extracts
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
New Species of South American Plants
Cedrela Boliviina. Inflorescence sparsely and minutely canescent. Leaves (only the uppermost seen) 5 dm. long, the petiole 1 dm. long, slightly grooved upon the upper surface, like the rachis, the leaflets sub-opposite, 7 to 9 pair, the internodes about a third as long as their leaflets. Petiolules very slender, about 6 mm. long, articulating by a thin, disk-like base. Blades 8 to 16 cm. long, ...
متن کاملFour New Species, a New Genus, and a New Suborder of Hawaiian Fishes!
THE DESCRIPTION of new taxa in a "Handbook of Hawaiian Fishes" recently submitted for publi cation was considered inadvisable . Certain of these are grouped together here, i. e., three new species of Gobiidae (Quisquilias aureoviridis, Q. limbatosquamis, and Hazeus ttnisquamis), a new genus and species of Callionymidae (Pogonymtts pogognathus), and a new suborder of Perciformes (Schindlerioidei...
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ژورنال
عنوان ژورنال: Bulletin of the Torrey Botanical Club
سال: 1918
ISSN: 0040-9618
DOI: 10.2307/2479630