1. Family: Rubiaceae Juss.
    1. Genus: Rutidea DC.
      1. Rutidea orientalis Bridson

        This species is accepted, and its native range is Kenya to S. Tropical Africa.

    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Habit
    Scandent shrub or climber or ? sometimes a suffrutex, 1.8–6 m. tall; young branches usually densely covered with goldish to rust-coloured hairs, becoming glabrous with age; older branches with greyish fawn bark.
    Leaves
    Leaf-blades drying green or brownish, somewhat discolourous, elliptic or less often broadly elliptic or oblanceolate, 4–15.3 cm. long, 2.1 –7(–8.5) cm. wide, acuminate at apex, obtuse to rounded and often unequal at the base, frequently bullate or with the lateral nerves impressed above, very sparsely to sparsely strigose above, more densely or occasionally sparsely covered with hairs beneath; domatia frequently absent or domatial hairy tufts straw-coloured; petiole 0.2–1.8 cm. long, pubescent; stipules 7–15 mm. long, base broad, divided into (3–)5–9(–12) fimbriae above, with long hairs outside, glabrous inside, sometimes reflexing.
    Flowers
    Flowers 5-merous in hemispherical or less often shortly pyramidal, terminal panicles; lateral inflorescence-branches 1–2(–3) pairs, 0.3–2.4(–4 in fruit) cm. long, densely covered with gold to rust-coloured hairs; pedicels 0–1.5 mm. long; bracteoles numerous, linear-lanceolate to lanceolate, 2–11 mm. long, usually exceeding the calyx, pubescent.
    Calyx
    Calyx-tube 0.75–1 mm. long, glabrous; limb-tube 0.25–1 mm. long; lobes narrowly lanceolate or narrowly triangular, 1.25–4 mm. long, up to 1 mm. wide at base, sparsely pubescent or glabrescent.
    Corolla
    Corolla glabrous outside; tube 4–9 mm. long, 0.75–1 mm. wide at top; lobes ovate to rotund, 2.25–3.5 mm. long, (1–)1.25–2(–2.75) mm. wide, rounded or less often obtuse at apex.
    Stigma
    Stigma well-exserted, fusiform 2–3 mm. long.
    Fruits
    Fruit yellow, orange or red, 5–9 mm. in diameter, glabrous, with a corky scar left by the deciduous calyx-limb.
    Seeds
    Seed reddish black to blackish, 4.25–5 mm. in diameter, sometimes with irregular shallow longitudinal striations.
    Figures
    Fig. 104.
    Habitat
    Forest, frequently at edges or in thickets; 800–2250 m.
    Distribution
    K3 K5 T1 T3 T4 T6 T7 U2 U3 U4
    [FZ]

    Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

    Habit
    Scandent shrub or climber or sometimes a ?suffrutex, 1.8–6 m tall; young branches usually densely covered with ± gold- to rust-coloured hairs, becoming glabrous with age; older branches with greyish-fawn bark.
    Leaves
    Leaf blades 4–15.5 × 2–7(8.5) cm, elliptic or less often broadly elliptic or oblanceolate, acuminate at apex, obtuse to rounded and often unequal at the base, frequently bullate or with the lateral nerves impressed above, very sparsely to sparsely covered with strigose hairs above, more densely or occasionally sparsely covered with hairs beneath; domatia frequently absent or as straw-coloured hairs; petiole 0.2–1.8 cm long, pubescent; stipules 7–15 mm long, broad at the base, laciniate with (3)5–9(12) lobes above, with long hairs outside, glabrous inside, sometimes reflexing.
    Flowers
    Flowers 5-merous in hemispherical or less often shortly pyramidal, terminal panicles; lateral inflorescence branches in 1–2(3) pairs, 0.3–2.4 (4 in fruit) cm long, densely covered with gold- to rust-coloured hairs; pedicels 0–1.5 mm long; bracteoles numerous, 2–11 mm long, linear-lanceolate to lanceolate, usually exceeding the calyx, pubescent.
    Calyx
    Calyx tube 0.75–1 mm long, glabrous; limb 0.25–1 mm long; lobes 1.25–4 mm long, up to 1 mm wide at base, narrowly lanceolate or narrowly triangular, sparsely pubescent or glabrescent.
    Corolla
    Corolla glabrous outside; tube 4–9 mm long; lobes 2.25–3.5 × (1)1.25–2(2.75) mm, ovate to rotund, rounded or less often obtuse at apex.
    Pollen presenter
    Pollen presenter 2–3 mm long, fusiform, well exserted.
    Fruits
    Fruit 5–9 mm in diameter, yellow, orange or red, glabrous, with a corky scar left by the deciduous calyx limb.
    Seeds
    Seed 4.25–5 mm in diameter, sometimes with irregular shallow longitudinal striations, very pale pinkish when fresh darkening to reddish-black to blackish.

    Images

    Distribution

    Native to:

    Burundi, Kenya, Malawi, Mozambique, Rwanda, Tanzania, Uganda, Zaïre, Zimbabwe

    Rutidea orientalis Bridson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1977 Harley, R.M. [9582], Tanzania K000412153 holotype
    Jul 1, 1977 Harley, R.M. [9582], Tanzania K000412154 holotype
    Drummond, R.B. [1623], Tanzania 12215.000
    Dowsett-Lemaire, F. [2534], Mozambique K000614144
    Harris, T. [353], Mozambique K000613789
    Harris, T. [677], Mozambique K000614256
    Patel, H. [7322], Mozambique K000613584
    Timberlake, J. [5192], Mozambique K000613920
    Timberlake, J. [5230], Mozambique K000613958
    Timberlake, J. [5009], Mozambique K000613388
    Timberlake, J. [5050], Mozambique K000613429
    Timberlake, J. [5064], Mozambique K000613444
    Timberlake, J. [5065], Mozambique K000613445
    Timberlake, J. [s.n.], Mozambique K000614485
    Mphamba [106], Mozambique K000614314

    First published in Kew Bull. 33: 253 (1978)

    Accepted by

    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.
    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of Tropical East Africa
    • Bridson, Troupin & Verdc. in Fl. Rwanda 3: 212, fig. 67/1 (1985).
    • Bridson & Troupin in Fl. Pl. Lign. Rwanda: 594, fig. 202/1 (1982).
    • Bridson in Kew Bulletin 33: 253, fig. 2 (1978).

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0