Pollen Morphology in African Species ofSwertiaL. (Gentianaceae)
نویسندگان
چکیده
منابع مشابه
Pollen Morphology of Some Turkish Crocus L. (iridaceae) Species
The genus Crocus L. (Iridaceae) comprises about 80 species distributed mainly in the Mediterranean region. It is widely dispersed in Turkey; at present about 67 taxa (including subspecies and varieties) are recognized there (Mathew, 1984, 1988, 1995, 2000; Kerndorff and Pasche, 2003, 2004). The Turkish Crocus species have received attention by several workers, who have concentrated mainly on mo...
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Pollen morphology and the degree of pollen variability within nine species and two varieties of Oxalis species from Buenos Aires Province (Argentina) were studied using light microscopy (LM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Oxalis pollen grain is generally 3-colpate and the shape is prolate spheroidal, oblate spheroidal or spheroidal. The exine is ...
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The pollen morphology and ultrastructure of 20 species, representing eight genera of the Magnoliaceae are described based on observations with light, scanning and transmission electron microscopy. The family represents a homogeneous group from a pollen morphological point of view. The pollen grains are boat-shaped with a single elongate aperture on the distal face. The tectum is usually micrope...
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متن کاملMicro-morphology of fruit and pollen in Satureja khuzistanica Jamzad.
Background & Aim: Satureja khuzistanica Jamzad. is an aromatic and medicinal perennial plant belongs to family mint (Lamiaceae). It is also an Iranian exclusive endemic species, its essential oil components are widely used in medicinal, culinary, and perfume industries. Experimental: Flowers were collected in 10 regions in Khuzistan and Lorestan provinces, Iran at early anthesis durin...
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ژورنال
عنوان ژورنال: Grana
سال: 1973
ISSN: 0017-3134,1651-2049
DOI: 10.1080/00173137309429887