DENDROLOGY

Detailed explanation-1: -Pinus is a gymnosperm plant that belongs to the order Coniferales. They have roots, stems, and leaves but do not have flowers. They are monoecious plants having male and female cones both on a single plant. Ovules of these trees have uncovered ovules that are present on megasporophyll.

Detailed explanation-2: -Non-flowering plants include mosses, liverworts, hornworts, lycophytes and ferns and reproduce by spores. Some non-flowering plants, called gymnosperms or conifers, still produce seeds.

Detailed explanation-3: -Cycas. Pinus. Araucaria. Thuja. Cedrus. Picea. Abies. Juniperus. More items

Detailed explanation-4: -Plants known as gymnosperms have seeds but no flowers. These vascular plants bear naked seeds and are land plants. The ovary does not surround the ovules. As a result, gymnosperms don’t have flowers.