No

Taxon

Bentham

(1832-1836)

Benth. & Hook. (1876)

Briquit (1897)

Codd (1975)

Present

study

1

Plectranthus arabicus E. A. Bruce

Section: Isodon

Section: Isodon

Subgenus: Isodon

-

Group A

2

Plectranthus asirensis J. R. I. Wood

-

-

-

-

Group D

3

Plectranthus barbatus Andrews

Section: Calceolus (Coleus)

Section: Germanea

Subgenus: Germanea

Subgen. Calceolanthus

Group B

4

Plectranthus cylindraceus Hochst. ex Benth

Section: Germanea

Section: Germanea

Subgenus: Germanea

Subgen. Burnatastrum

Group C

5

Plectranthus hijazensis Abdel Khalik, K

-

-

-

-

Group D

6

Plectranthus Pseudo marrubioides R.H. Willemse

Section: Germanea

Section: Germanea

Subgenus: Germanea

Subgen. Burnatastrum

Group C

7

Plectranthus tenuiflorus (Vatke) Agnew

Section: Aromaria (Coleus)

Section: Germanea

Subgenus: Germanea

Subgen. Coleus

Group D