These together published a joint system of classification containing 202 orders of monumental work "Genera Plantarum".

Phyletic classifications are natural classifications that try to identify the evolutionary history of natural groups. Hutchinson's classification was a phylogenetic classification.

Pulses belong to the subgroup of the family Papillionate of the main family Leguminoseae.

Hypogynous flowers are not present in Compositae. In epigynous flowers, the hypanthium is fused to the gynoecium and the free parts of the sepals, petals and stamens appear to be attached to the top of the gynoecium as in Compositae family.

It has a hard or leathery rind with numerous seeds. It is the characteristic feature of cucurbitaceae.

Sunflower being an angiosperm has triploid or 3n endosperm.

'Families of flowering plants' was written by John Hutchinson.

Here both the anthers and filaments are united Cucurbitaceae.

The dispersal of seeds by water takes place in coconuts.

Parthenocarpy (literally meaning virgin fruit) is the natural or artificially induced production of fruit without fertilisation of ovules. Therefore, the fruit is seedless.

Mangroves are various large and extensive types of trees with medium height and shrubs that grow in saline coastal sediment habitats. Avicennia is called black mangrove.

Pollen grains or microspores are haploid structures formed by meiosis occurring in the microspore mother cell.

Fig trees (Ficus) produce an edible multiple fruit called a syconium.

Capsicum frutescens is a species of chili pepper.

In angiosperms only, the seed is formed enclosed in a fruit. This character is not present in gymnosperms where the seed is said to be naked.