Learn about the comparison between experimental taxonomy and orthodox taxonomy. Comparison # Experimental Taxonomy: Aims: To identify evolutionary units, and by experiment to determine their genetical inter-relationships and the role of the environment in their formation. Unit of study: In non-sexual organisms, the biotype; in sexual organisms, the breading population or large representative sample of it. Material preferably living. System [...]
Learn about the comparison among Bentham and Hooker, Engler and Prantl, and Hutchinson systems of plant classification. Comparison # Bentham and Hooker: 1. It is a natural system and mostly used for practical purposes. 2. It is based on A.P de Candolle's system (1818). 3. Classification is based on single and mostly artificial characters; so closely allied families are separated [...]
Learn about the comparison between Acanthaceae and Lamiaceae. Comparison # Acanthaceae: 1. Habit-Herbs or shrubs with swollen nodes. 2. Leaves-Opposite decussate and simple. Cystolith generally present. 3. Inflorescence-Spike or cymose, Bracts and bracteoles prominent. 4. Flower-Zygomorphic, hermaphrodite and hypogynous. 5. Calyx- Sepals 5, gamosepalous, unequal in size. 6. Corolla- Petals 5, gamopetalous, personate. 7. Androecium- Stamens 2 or 2+2 epipetalous. [...]