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Fig. 11. – Sabicea rubiginosa O in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 11. – Sabicea rubiginosa O. Lachenaud, Zemagho & Sonké. A. Stem with flowers and fruits; B. Node with stipules, lateral view; C. Detail of lower leaf surface; D. Same, much enlarged, showing close reticulation; E. Bracts from lower node of inflorescence; F. Upper bract, inside; G. Flower bud, lateral view; H. Flower bud, seen from above; I. Short-styled flower; J. Longitudinal section of short-styled flower; K. Short-styled flower, seen from above; L. Long-styled flower; M. Longitudinal section of long-styled flower; N. Long-styled flower, seen from above; O. Longitudinal section of calyx and ovary; P. Fruit; Q. Cross section of fruit.

Fig. 6. – Sabicea couteronii O in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 6. – Sabicea couteronii O. Lachenaud, Zemagho & Sonké: A. Node with inflorescences; B. Fruiting stem; C. Mature infructescence. Sabicea dichrosepala O. Lachenaud, Zemagho & Sonké: D. Inflorescence; E. Mature infructescence.

Fig. 5. – Sabicea dichrosepala O in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 5. – Sabicea dichrosepala O. Lachenaud, Zemagho & Sonké. A. Fruiting stem; B. Detail of lower leaf surface; C. Node with stipules, lateral view; D. Node with stipules, dorsal view; E. Node with paired inflorescences; F. Lower bract, inside; G. Upper bract, inside; H. Calyx; I. Longitudinal section of young flower bud; J. Fruit; K. Flower, viewed from above; L. Flower, side view; M. Longitudinal section of flower. [A, C, J: Dessein et al. 2028, BR; B, D–I: J.J.F.E. de Wilde et al. 284, BR; K–M: Bidault et al. 4401, BRLU] [Drawing: A– J: H. de Vries; K–M: O. Lachenaud]

Fig. 4 in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 4. – Distribution map of Sabicea couteronii O. Lachenaud, Zemagho & Sonké (squares) and S. dichrosepala O. Lachenaud, Zemagho & Sonké (circles).

Fig. 3. – Sabicea couteronii O in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 3. – Sabicea couteronii O. Lachenaud, Zemagho & Sonké. A. Flowering stem; B. Node with stipules; C. Detail of upper leaf surface; D. Detail of lower leaf surface; E. Node with paired inflorescences; F. Lower bract, inside; G. Upper bract, inside; H. Flower bud; I. Flower, lateral view; J. Flower, seen from above; K. Longitudinal section of flower; L. Longitudinal section of ovary and calyx; M. Fruit; N. Cross section of fruit.

Fig. 2 in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 2. – Seeds of Sabicea spp. viewed in electron microscopy. Sabicea proselyta (N. Hallé) Razafim. et al.: A. Entire seed; B. Detail of seed surface. Sabicea rubiginosa O. Lachenaud, Zemagho & Sonké: C. Entire seed; D. Detail of seed surface. Sabicea sanguinosa subsp. sanguinosa: E. Entire seed; F. Detail of seed surface. Sabicea segregata Hiern: G. Entire seed; H. Detail of seed surface.

Fig. 1 in A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species

Fig. 1. – Seeds of Sabicea spp. viewed in electron microscopy. Sabicea couteronii O. Lachenaud, Zemagho & Sonké: A. Entire seed; B. Detail of seed surface. Sabicea dichrosepala O. Lachenaud, Zemagho & Sonké: C. Entire seed; D. Detail of seed surface. Sabicea floribunda var. anisostegia O. Lachenaud, Zemagho & Sonké: E. Entire seed; F. Detail of seed surface. Sabicea nobilis R.D. Good: G. Entire seed; H. Detail of seed surface. [A–B: Sonké & Zemagho 6334; C–D: Dessein et al. 2028; E–F: N. Hallé 2951; G–H: Sosef et al. 2529] [Photos: I. van der Beeten]

Fig. 16 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 16. – Palisota stevartii Burg & E. Bidault. A–B.Habit; C. Detail of pubescence on the upper side of lamina and leaf margin; D. Detail of pubescence on the lower side of the lamina and midrib; E. Inflorescence; F. Floral diagram; G. Bisexual flower, front view; H. Bisexual flower, side view; I. One upper stamen; J. Lower stamen; K. Upper staminode; L. One lower staminode; M. Ovary and pistil; N. Staminodial hair; O. Sepal hair; P. Ovary hair. [A, G, I–P: van der Maesen et al. 5833; B–E: Stévart et al. 4844; H: Texier et al. 282] [Drawings: H. de Vries]

Fig. 1. – Palisota akouangoui E. Bidault & Burg. A in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 1. – Palisota akouangoui E. Bidault & Burg. A. Habit; B. Mature fruit; C. Inflorescence; D. Bisexual flower; E. Sepal; F. Petal; G. Lower stamen; H. One upper stamen; I. Staminode; J. Ovary and pistil. [A: Bidault et al. 3687; B: Bidault et al. 4100; C-J: Bidault et al. 3785] [Drawings: D. Geffard-Kuriyama & L. Longou]

Fig. 5 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 5. – Distribution of Palisota cristalensis E. Bidault & Burg (stars) and P. alboanthera Burg & E. Bidault (triangles). Elevation is represented in levels of grey, and protected areas as shaded.

Fig. 14. – Palisota repens E. Bidault & Burg. A in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 14. – Palisota repens E. Bidault & Burg. A. Habit; B. Inflorescence; C. Bisexual flower; D. Mature fruit; E. Immature fruit; F. Sepal; G. Petal; H. Ovary and pistil; I. Lower stamen; J. One upper stamen; K. Staminode. [A: Bidault et al. 3506; B– C, F–K: Texier et al. 1437; D– E:Bidault et al. 4405] [Drawings: L. Longou]

Fig. 4 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 4. – Palisota alboanthera Burg & E. Bidault. A. Habit; B. Inflorescence; C. Bisexual flower with reflexed, mature lower stamen; D. Male flower with reduced ovary; E. Sepal; F. Petal; G. Lower stamen; H. One upper stamen; I. Upper staminode; J. One lower staminode; K. Ovary and pistil; L. Staminodial hair; M. Ovary hair. [A: de Wilde & de Wilde-Bakhuizen 11713; B-M: Bidault et al. 1352] [Drawings: H. de Vries]

Fig. 10 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 10. – Palisota leewhitei Burg, O. Lachenaud & E. Bidault. A. Habit; B. Axillary root; C. Portion of stem with inflorescence, axillary roots, pseudopetiole; D. Male flower; E. Sepal, interior view; F. Upper sepal, side view; G. Petal, side view; H. Lower sepal, side view; I. Ovary and pistil; J. Lower stamen; K. One upper stamen; L. Upper staminode; M. One lower staminode; N. Staminodial hair; O. Ovary hair; P. Fruit, side and dorsal views. [A–O: Maas et al. 10079; P: Lachenaud et al. 1165] [Drawings: H. de Vries]

Fig. 3 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 3. – Distribution of Palisota akouangoui E. Bidault & Burg (squares) and P. repens E. Bidault & Burg (circles). Elevation is represented in levels of grey, and protected areas as shaded.

Fig. 13. – Palisota plicata E.Bidault & Burg. A in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 13. – Palisota plicata E.Bidault & Burg. A. Habit; B. Inflorescence; C. Bisexual flower, side view; D. Sepal; E. Petal; F. Lower stamen; G. One upper stamen; H. Ovary and pistil; I. Staminode; J. Mature fruit; K. Immature fruit with exocarp removed, showing immature seeds; L. Sketches of leaf base variation. [A, D-J, L (right): Bidault et al. 3576; B-C, L (left): Bidault et al. 3561; K: Bidault et al. 3514] [Drawings: L. Longou]

Fig. 8 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 8. – Palisota fadenii Burg & E. Bidault. A. Habit; B. Inflorescence; C. Bisexual flower; D. Upper sepal; E. One lower sepal; F. Petal; G. One upper stamen; H. Lower stamen; I. Staminode; J. Ovary and pistil. [Sita 535] [Drawings: D. Geffard-Kuriyama & L. Longou]

Fig. 9 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 9. – Distribution of Palisota bogneri Brenan (stars), P. plicata E. Bidault & Burg (squares), and P. fadenii Burg & E. Bidault (triangles). Elevation is represented in levels of grey, and protected areas as shaded.

Fig. 12 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 12. – Distribution of Palisota satabiei Brenan (squares), P. leewhitei Burg, O. Lachenaud & Bidault (stars), and P. stevartii Burg & E. Bidault (triangles). Elevation is represented in levels of grey, and protected areas as shaded.

Fig. 2. – Palisota akouangoui E in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 2. – Palisota akouangoui E. Bidault & Burg (A–C) and P. alboanthera Burg & E. Bidault (D–G). A. Entire plants showing infrutescences; B. Mature fruits, entire and opened, showing seeds; C. Inflorescence showing open flowers, with green lower stamen; D. Living plant with inflorescence; E. Young inflorescence with male flowers, showing erect, pale yellow lower stamen; F. Bisexual flower with reflexed, white lower stamen; G. Detail of swollen roots. [A– B: Bidault et al. 4100; C: Bidault et al. 3785; D–F: Bidault et al. 3807; G: Stévart et al. 4780] [Photos: E. Bidault]

Fig. 11 in Novitates Gabonenses 90: Palisota (Commelinaceae) revisited: description of eight new species from Central Africa and notes on the identity of P. satabiei and P. bogneri

Fig. 11. – Palisota leewhitei Burg, O. Lachenaud & E. Bidault (A–C) and P. plicata E. Bidault & Burg (D–G). A. Living plants in habitat; B. Inflorescence showing capillary roots, open and closed flowers; C. Mature fruit; D. Living plants in habitat; E. Inflorescence with open flowers; F. Detail of an open flower; G. Mature fruit. [A, C: Lachenaud et al. 1165; D–E: Bidault et al. 3561; F–G: Bidault et al. 3576] [Photos: A, C: O. Lachenaud; B: J.-P. Vande Weghe; D–G: E. Bidault]