A family of about 800 trees and shrubs. Tubiflorae A highly advanced subclass, often featuring flowers with sophisticated adaption to pollinating insects. About 23000 species. The pungent principle of chile is structurally related to alkaloids, but hardly toxic. Labiatae A highly advanced, quite homogenous family of 3200 species.
Most species are annual or perennial herbs or woody dwarf shrubs.
Closely related to the former family, but many of the 2600 species are trees or shrubs. An important family of 3000 species, mostly herbs growing in temperate climates. Several species are partial parasites. A small family of 50 mostly tropic species. Herbs or woody shrubs.