Angiosperm

Fertilization is the union of male and female gametes to produce a zygote. There are several steps of fertilization. They are described below.Germination...

Depending on the number of megaspore nuclei taking part in the development, the female gametophytes of angiosperms may be classified into three main types:...

In 1898 Nemec noted that in the petaloid anthers of Hyacinthus orientalis the pollen grains sometimes form large eight-nucleate structures showing a surprising resemblance...

Among early students of the development of pollen, Hofmeister (1848) presented some surprisingly good illustrations of the process of tetrad formation, and Reichenbach, Hartig...

Giovanni Battista Amici (1824) who was also a good microscope maker, found that the stigma of Portulaca oleracea was covered with hairs which contained...

Semantides are information-carrying molecules. Semantides provide taxonomic data not on the basis of presence or absence, but in terms of sequences, ratios or percentages,. Semantides...

The chemical substances which have been found very useful in taxonomy are secondary metabolites. Secondary metabolites (secondary plant products) perform non-vital (or at least...

Plant Chemotaxonomy is one of the more fashionable and rapidly extending areas of plant taxonomy that seeks to utilize chemical information to improve classification...

The steps in biosystematic investigation are as followsSampling of taxon and its population and cytological study of the chromosome of many population within...

Species is the basic & smallest whit of classification which is represented by binomial nomenclature according to ICBN. Two individuals with maximum similarities which...