منابع مشابه
New Hopane Triterpene from Eleocharis sellowiana (Cyperaceae)
The genus Eleocharis R. Br. (Cyperaceae, Cyperoideae, Scirpeae) includes about 200 species, occurring in wet environments like swamps, lakes and rivers margins. Their aerial parts are formed by simple, not ramified stalks that end in a spiciform inflorescence formed by numerous very inconspicuous flowers. Their subterraneous parts are formed by roots and stem (called rhizome or stolon, dependin...
متن کاملChromosome reduction in Eleocharis maculosa (Cyperaceae).
Chromosome numbers in Cyperaceae lower than the typical basic number x = 5 have been described for only three species: Rhynchospora tenuis (n = 2), Fimbristylis umbellaris (n = 3) and Eleocharis subarticulata (n = 3). Eleocharis maculosa is recorded here as the fourth species of Cyperaceae that has a chromosome number lower than 2n = 10, with 2n = 8, 7 and 6. The karyotype differentiation in E....
متن کاملA new species of Coespeletia (Asteraceae, Millerieae) from Venezuela
A new species of Coespeletia from the páramos of Mérida (Venezuela) is described here. This species, named Coespeletia palustris, is found in a few marshy areas of the páramo. It is closely related to C. moritziana, but differs from it in a smaller number of florets in the capitula, larger ray flowers with longer ligulae and longer linguiform appendages, smaller pollen grains, larger cypselae, ...
متن کاملA new species of Microphallus (Trematoda: Microphallidae) from Venezuela.
During 1997-1999, a total of 94 crabs, Uca rapax were collected from La Sabana, La Ceiba and El Paujil, Sucre State, Venezuela. Of these 36 were infected with metacercariae. Two parasites were located in the abdominal muscles and one under the tissue of carapace and gonad. These metacercariae grew to adults in the following genera: Levinseniella, Microphallus and Maritrema, in the period of 2-5...
متن کاملA new species of Carabodes (Acariformes: Carabodidae) from Venezuela.
A new species, Carabodes venezolanus is described from Venezuela. A comparison with related species and genera is done.
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ژورنال
عنوان ژورنال: Novon
سال: 1996
ISSN: 1055-3177
DOI: 10.2307/3392040