Table 4.
Preference ranking values of nine selected medicinal plants by key informants based on degree of scarcity
| List of medicinal plants | Key informants (coded A to J) with the ranks they gave | Total score | Rank | |||||||||
| A | B | C | D | E | F | G | H | I | J | |||
| Asparagus recemosus | 1 | 1 | 3 | 6 | 7 | 2 | 4 | 7 | 3 | 7 | 41 | 5 |
| Buddleja polystachya | 5 | 7 | 4 | 4 | 4 | 3 | 5 | 5 | 1 | 1 | 39 | 7 |
| Dicliptera laxata | 7 | 5 | 3 | 1 | 3 | 1 | 1 | 3 | 2 | 2 | 28 | 9 |
| Gnidia glauca | 1 | 3 | 7 | 2 | 2 | 7 | 2 | 1 | 6 | 6 | 37 | 8 |
| Indigofera emarginella | 3 | 2 | 2 | 5 | 7 | 5 | 5 | 5 | 6 | 7 | 47 | 4 |
| Pittosporum viridiflorum | 7 | 7 | 5 | 6 | 5 | 6 | 7 | 4 | 4 | 3 | 54 | 2 |
| Plectranthus lanuginosus | 4 | 4 | 6 | 3 | 1 | 6 | 3 | 2 | 7 | 4 | 40 | 6 |
| Tetradenia riparia | 2 | 6 | 1 | 7 | 6 | 4 | 4 | 6 | 7 | 6 | 49 | 3 |
| Vepris dainellii | 6 | 7 | 5 | 6 | 6 | 7 | 6 | 7 | 5 | 5 | 60 | 1 |
Key-Scores in the table indicate ranks given to medicinal plants based on their scarcity. Highest number (7) for the medicinal plant which informants thought most scarce in the area and the lowest number (1) for the least scarce medicinal plant.