when a botanist is trying to classifi a plant what does he look at?

Answer 1

She looks at the flowers: how many and what arrangement of petals, sepals, pistils, stamens, carpels and seeds.
She looks at the leaves: arrangement on the stem, shape, texture.
She may look at the roots and habitat as well.

Answer 2

Plants are classified in several different ways, and the further away from the garden we get, the more the name indicates a plant's relationship to other plants, and tells us about its place in the plant world rather than in the garden. Usually, only the Family, Genus and species are of concern to the gardener, but we sometimes include subspecies, variety or cultivar to identify a particular plant.
It depend up on habit, habitat, types of flower, leaves, roots, stems,seed, fruit etc. In different plant flowers are different ie,
It depend up on number of petals, sepels,corolla, calyx.
leaves arrengement and order , type of fruits , stem structure,
root structure etc.

Answer 3

A key.