نتایج جستجو برای: sepal yield
تعداد نتایج: 194381 فیلتر نتایج به سال:
Aristolochia fimbriata (Aristolochiaceae: Piperales) exhibits highly synorganized flowers with a single convoluted structure forming a petaloid perianth that surrounds the gynostemium, putatively formed by the congenital fusion between stamens and the upper portion of the carpels. Here we present the flower development and morphology of A. fimbriata, together with the expression of the key regu...
Chestnut rose, R. roxburghii Tratt. (Rosaceae) (RR) is an important crop in China due to its nutritional and medicinal values. RR frequently produces trichomes on the surfaces of a diverse range organs, however genetic component exists control trichome development, with some cultivars having significantly fewer others. Certain varieties have fruits that are thickly covered macroscopic trichomes...
Gastrodia kachinensis, a new species of Orchidaceae, is described and illustrated from Putao, Kachin State, Myanmar. It is morphologically similar to G. gracilis, presumably its nearest relative, but can be easily distinguished from the latter by having perianth tube with punctate outer surface, verrucose outer surface of sepal lobe, orbicular petals, ovate-elliptic lip with truncate apex and a...
The short integuments 2 (sin2) mutation arrests cell division during integument development of the Arabidopsis ovule and also has subtle pleiotropic effects on both sepal and pistil morphology. Genetic interactions between sin2 and other ovule mutations show that cell division, directionality of growth, and cell expansion represent at least partially independent processes during integument deve...
Background and Aims Radially symmetrical, five-winged fossil fruits from the highly diverse early Eocene Laguna del Hunco flora of Chubut Province, Patagonia, Argentina, are named, described and illustrated. The main goals are to assess the affinities of the fossils and to place them in an evolutionary, palaeoecological and biogeographic context. Methods Specimens of fossil fruits were collec...
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