Mitriostigma (Hochst.)

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 : 309

publication ID

https://doi.org/ 10.1111/j.1756-1051.2009.00415.x

DOI

https://doi.org/10.5281/zenodo.5512470

persistent identifier

https://treatment.plazi.org/id/AB184868-FFB4-FFBE-FC8B-FAA4FA5471F9

treatment provided by

Tatiana

scientific name

Mitriostigma
status

 

Key to the species of Mitriostigma View in CoL View at ENA

1. Monocaulous (i.e. single-stemmed) dwarf; inflorescences supra-axillary and paired at the nodes (Cameroon) ....... ................................................................. M. monocaule View in CoL

1. Trees, shrubs or sub-shrubs; inflorescences placed unilaterally at successive nodes on alternate sides, sometimes axillary at the nodes (Africa, also Cameroon) ............. 2

2. Length of corolla lobes 1/3-1/2 of length of corolla tube ............................................................................. 3

2. Length of corolla lobes less than 1/3 of length of corolla tube ............................................................................. 4

3. Leaves elliptic to ovate; inflorescences placed unilaterally at successive nodes on alternate sides ........... M. axillare View in CoL

3. Leaves obovate; inflorescences usually paired at the nodes ......................................................... M. greenwayi View in CoL

4. Inflorescences supra-axillary; corolla tube ca 24 mm long; fruits 22-25× 14-16 mm, ellipsoid (Tanzania) ............ ............................................................... M. usambarense View in CoL

4. Inflorescences axillary; corolla tube 9-14 mm long; fruits 25-40× 8-15 mm, sub-fusiform (Cameroon, Bioko) ... ....................................................................... M. barteri View in CoL

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