Opisthopappus is a perennial, endemic herb of the Taihang Mountains in China. Two species this genus (O. longilobus and O. taihangensis) are important wild genetic resources for Asteraceae; however, their reproductive biology has been lacking until now. This study first detailed report on breeding systems two species. Through field observations, floral syndromes taihangensis were found to posse...

gladiolus (gladiolus grandiflorus l.) is one of the most widely cultivated, economically important and common flowering plants worldwide including pakistan. however, its yield of flower is quite low when grown under agro-climatic conditions of multan. a field experiment was conducted at the experimental area, department of horticulture, bahauddin zakariya university, multan (pakistan), during 2...

Flavonols, anthocyanins, and chalcones were determined during the flowering phase in two genotypes of Cosmos sulphureus (regular species its cultivar ‘Cosmic Orang’) grown М.М. Gryshko National Botanical Garden Kyiv. Inflorescences, leaves, stems, roots, separated ray disc florets dried crushed to prepare extracts following three different techniques. In particular, with 80 % (v/v) ethanol Andr...

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, ...