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Fig. 5 in Evolution of Impatiens (Balsaminaceae) in the Albertine Rift – The endemic Impatiens purpureoviolacea complex consists of ten species

Fig. 5. Seeds of the Impatiens purpureoviolacea complex. A & B, Impatiens kivuensis: A, Seed; B, Detail of testa. C & D, Impatiens ×troupinii: C, Seed; D, Detail of testa. E & F, Impatiens elwiraurzulae: E, Seed; F, Detail of testa. — Scale bars: A, 400 μm; B, 70 μm; C, 300 μm; D, 90 μm; E, 700 μm; F, 100 μm. A & B, Fischer 13451, BG Bonn 34557; C & D, Fischer 13912, BG Bonn 37754; E & F, Dumbo & Dumbo s.n., BG Bonn 39658.

Fig. 3 in Evolution of Impatiens (Balsaminaceae) in the Albertine Rift – The endemic Impatiens purpureoviolacea complex consists of ten species

Fig. 3. Distribution map of the two bird-pollinated species from the Impatiens purpureoviolacea complex.

Fig. 2 in Evolution of Impatiens (Balsaminaceae) in the Albertine Rift – The endemic Impatiens purpureoviolacea complex consists of ten species

Fig. 2. Distribution map of the eight insect-pollinated species of the Impatiens purpureoviolacea complex. Dots indicate species with hairy ovaries, and stars mark species with glabrous ovaries.

Fig. 1 in Evolution of Impatiens (Balsaminaceae) in the Albertine Rift – The endemic Impatiens purpureoviolacea complex consists of ten species

Fig. 1. Maximum clade credibility tree of the Impatiens purpureoviolacea complex as obtained via the BEAST dating analysis. Node bars indicate 95% highest posterior density confidence intervals. Support values of the MP, ML and BI analyses are shown on the branches.

Fig. 6 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 6. Phylogenetic tree of the AC clade (in grey) based on nuclear data (3720 loci). The new species Calycosiphonia albertina Ntore & Robbr. sp. nov. is indicated in bold. Bootstrap values are indicated at the nodes.

Fig. 5 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 5. Distribution of Calycosiphonia albertina Ntore & Robbr. sp. nov. in western Burundi, southern Rwanda, and eastern DR Congo.

Fig. 2 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 2. Calycosiphonia albertina Ntore & Robbr. sp. nov. A. Root system of a young individual. B. Greyish brown bark of an older stem. C. Anisophyllous node. D. Reduced leaves on the main axis. Photographs by Salvator Ntore from the subpopulation in Kibira forest, Burundi.

Fig. 1 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 1. Calycosiphonia albertina Ntore & Robbr. sp. nov. A. Habitat. B. Habit. C. Reddish brown bark of older branches. D. Microphyllous node. E. Flowering node. F. Fruiting node, lateral view of red fruits. G. Fruiting node, apical view of red fruits. Photographs by Salvator Ntore from the subpopulation in Kibira forest, Burundi.

Fig. 4 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 4. Scanning electron micrographs of pollen grains. A–B. Calycosiphonia albertina Ntore & Robbr. sp. nov. (from Nkengurutse 130). C–D. Kupeantha spathulata (A.P.Davis & Sonké) Cheek (from Sonké 4117). E–F. Argocoffeopsis rupestris subsp. rupestris (Hiern) Robbr. (from Essou 1472). A, C, E = equatorial views; B, D, F = mesocolpia. Scale bars = 1 μm.

Fig. 3 in Calycosiphonia or Kupeantha (Coffeeae, Rubiaceae)? A morphological and molecular study of a new species from the Albertine Rift

Fig. 3. Calycosiphonia albertina Ntore & Robbr. sp. nov. A. Plagiotropous branch with flowers, flower buds, and young fruits. B. Underside of a leaf with two sparse tuft domatia. C. Node with stipule and a 1-florous inflorescence (the dashed line shows the position of the removed second inflorescence. D. Base of flower showing calyculi enfolding each other and the ovary; the calyx is visible. E. Ovary and calyx (uppermost detail) and three calyculi separated from each other. F. Longitudinally opened upper calyculus from E, showing inside covered with fine curled hairs and some colleters at the base. G. Longitudinal section of ovary and calyx. H. Style and stigma. I. Adaxial view of placenta. J. Abaxial view of placenta. K. Side and frontal views of stamen. L. Transverse section of an anther. M. Fruit and seed. N. Transverse and longitudinal section of seed, showing the position of the embryo. O. Embryo. A from Nkengurutse 136; B–L from Ntore et al. 16; M–O from Ntore et al. 15. Scale bars: A = 5 cm; B–C, K = 2 mm; D–F, H, M–O = 3 mm; G, I–J, L = 1 mm. Drawn by Elmar Robbrecht.

Fig. 5. A in On the genus Pachygnatha (Araneae, Tetragnathidae) in the Albertine Rift of Burundi, with the description of three new species

Fig. 5. A. Pachygnatha intermedia sp. nov. Female genitalia, cleared, ventral view. B. Pachygnatha ventricosa sp. nov. Female genitalia, cleared, ventral view. Scale bars = 0.1 mm.

Figs 26-29 in On the Afrotropical genus Holmelgonia (Araneae, Linyphiidae), with the description of three new species from the Albertine Rift

Figs 26-29. Holmelgonia afromontana sp. nov. (♂ holotype, ♀ paratype 227154). 26. Palp, ♂, retrolateral view. 27. Palp, ♂, dorsal view. 28. Epigyne, ventral view. 29. Embolic division of ♂ palp, ventrolateral view. Scale bars = 0.1 mm.

Fig. 2 in On the genus Pachygnatha (Araneae, Tetragnathidae) in the Albertine Rift of Burundi, with the description of three new species

Fig. 2. Pachygnatha bispiralis sp. nov. A. Male left palp, dorsal view. B. Male palp, retrolateral view. C. Male right chelicera, frontal view. D. Male right chelicera, ventral view. Scale bars = 0.1 mm.

Figs 39-40. — 39 in On the Afrotropical genus Holmelgonia (Araneae, Linyphiidae), with the description of three new species from the Albertine Rift

Figs 39-40. — 39. Holmelgonia afromontana sp. nov. (♀, 227154). Epigyne, cleared, dorsal view. — 40. Holmelgonia bosnasutus sp. nov. (♀, 227507). Epigyne, cleared, dorsal view. Scale bars = 0.1 mm.

Figs 2-3 in On the Afrotropical genus Holmelgonia (Araneae, Linyphiidae), with the description of three new species from the Albertine Rift

Figs 2-3. Holmelgonia disconveniens sp. nov. (♂, MRAC 227149). 2. SEM micrographs of chelicerae, lateral view, showing absence of stridulating ridges. 3. Detail of previous. Scale bars = 100 μm.

Fig. 1. A–C in On the genus Pachygnatha (Araneae, Tetragnathidae) in the Albertine Rift of Burundi, with the description of three new species

Fig. 1. A–C. Pachygnatha bispiralis sp. nov. A. Male habitus, dorsal view. B. Male habitus, ventral view. C. Male habitus, lateral view. D–I. Pachygnatha intermedia sp. nov. D. Male habitus, dorsal view. E. Male habitus, ventral view. F. Male habitus, lateral view. G. Female habitus, dorsal view. H. Female habitus, ventral view. I. Female habitus, lateral view. J–O. Pachygnatha ventricosa sp. nov. J. Male habitus, dorsal view. K. Male habitus, ventral view. L. Male habitus, lateral view. M. Female habitus, dorsal view. N. Female habitus, ventral view. O. Female habitus, lateral view. Scale bars = 2 mm.

Fig. 3 in On the genus Pachygnatha (Araneae, Tetragnathidae) in the Albertine Rift of Burundi, with the description of three new species

Fig. 3. Pachygnatha intermedia sp. nov. A. Male palp, ventral view. B. Male palp, retrolateral view. C. Male chelicera, frontal view. D. Male chelicera, ventral view. E. Female chelicera, ventral view. F. Female chelicera, frontal view. G. Female abdomen, ventral view. H. Female external genitalia, ventral view. Scale bars: A–F, H = 0.1 mm; G = 1 mm.

Fig. 4 in On the genus Pachygnatha (Araneae, Tetragnathidae) in the Albertine Rift of Burundi, with the description of three new species

Fig. 4. Pachygnatha ventricosa sp. nov. A. Male palp, ventral view. B. Male palp, retrolateral view. C. Male chelicera, frontal view. D. Male chelicera, ventral view. E. Female chelicera, ventral view. F. Female chelicera, frontal view. G. Female abdomen, ventral view. H. Female external genitalia, ventral view. Scale bars: AF, H = 0.1 mm; G = 1 mm.

Figs 30-34 in On the Afrotropical genus Holmelgonia (Araneae, Linyphiidae), with the description of three new species from the Albertine Rift

Figs 30-34. Holmelgonia bosnasutus sp. nov. (♂ holotype, ♀ paratype 227507). 30. Palp, ♂, retrolateral view. 31. Palpal tibia, ♂, dorsal view. 32. Palpal tibia, ♂, prolateral view. 33. Embolic division of ♂ palp, ventrolateral view. 34. Epigyne, ventral view. Scale bars = 0.1 mm.

Figs 35-38 in On the Afrotropical genus Holmelgonia (Araneae, Linyphiidae), with the description of three new species from the Albertine Rift

Figs 35-38. Holmelgonia disconveniens sp. nov. (♂ holotype). 35. Palp, retrolateral view. 36. Palpal tibia, dorsal view. 37. Palpal tibia, dorsolateral view. 38. Embolic division of palp, ventrolateral view. Scale bars = 0.1 mm.