Mitriostigma barteri Hook.

Sonke´, Bonaventure, Simo, Murielle & Dessein, Steven, 2009, Synopsis of the genus Mitriostigma (Rubiaceae) with a new monocaulous species from south Cameroon, Nordic Journal of Botany 27, pp. 305-312 : 311

Mitriostigma barteri Hook. f. ex Hiern (1877, p. 111)

Based on the same type: Randia barteri (Hook. f. ex Hiern) K. Schum. (1891, p. 75).

Lectotype (designated here): Equatorial Guinea, Bioko, Mann 234 (lectotype: K000419877 in K, isolectotypes: BR (photo), K, P) .

Distribution

Lower Guinean regional subcentre of endemism: Bioko, Cameroon ( Fig. 4 ).

Additional specimens examined

Cameroon Southwest Province: Bakingili, Akogo 150 ( SCA) ; Upper Boando, Cable 265 ( K, SCA) ; Etinde, Etuge 1242 ( K) ; lower slopes of Mount Etinde (Small Mount Cameroon), ca 10 km west of Limbe, above the village of Batoke, Maurin et al. 6 ( K) ; Moliwe, Hunt 95 ( SCA) ; Dikulu, Jaff 87 ( SCA) ; between Upper Boando and Etome , Kwangue 136 ( K, SCA) ; Mabeta - Moliwe, Watts 174 ( SCA) ; ibid., Sunderland 1469 ( K), ibid., Tchouto 181 ( K, SCA, WAG, YA) ; Moliwe, Watts 202 ( SCA) ; ibid., Watts 420 ( SCA) ; Mbonge village, Mambo and Thomas 150 ( BR, MO, WAG) ; Etome, Nning 127 ( SCA) ; Mabeta, Etome, Tchouto 1628 ( SCA) ; Bolo forest on Kumba - Mamfe road , 50 km north of Kumba, Thomas and Nemba 5897 ( K, MO, YA) ; mature (old secondary) forest in northeastern corner of Korup National Park , near Baro village, Thomas 3360 ( K, MO, YA) .

Littoral Province: near Ndoktiba, Bafang-Yabassi road , 15 km southsoutheast Nkondjok, Letouzey 11168 ( K, P, WAG, YA) .

Equatorial Guinea Bioko, Carvalho and Casas 3000-2 ( K); ibid. Barter s. n. ( K, syntype).

Figures

Figure 4. Distribution of Mitriostigma species (?=uncertain locality for M. axillare based on Bisset s. n. (K): Umzumkulu (?= Umzimkulu)).