1. Family: Rubiaceae Juss.
    1. Genus: Rothmannia Thunb.
      1. Rothmannia macrosiphon (K.Schum.) Bridson

        This species is accepted, and its native range is SE. Kenya to E. Tanzania.

    [FTEA]

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

    Habit
    Bush or small tree 1.8–7 m. tall; young stems glabrescent to finely velutinous.
    Leaves
    Leaf-blades oblanceolate to obovate, 4.5–14.4 cm. long, 2–6.8 cm. wide, apex acuminate, base cuneate, coriaceous, glabrous above, glabrous to glabrescent beneath with midrib sparsely pubescent; domatia absent; petioles 0.2–1.3 cm. long, sparsely pubescent; stipules triangular, acuminate, 3–5 mm. long, caducous.
    Flowers
    Flowers sweetly scented, solitary, terminal above a single leaf; peduncle 0.5–1.6 cm. long, pubescent, bearing 2–6 acute triangular bracteoles 2–6 mm. long.
    Calyx
    Calyx golden or reddish-brown pubescent; tube 10-grooved, 0.9–1.4 cm. long; limb-tube 0.4–1.1 cm. long, wider than the tube; lobes linear, 1.6–3.2 cm. long, 1.5–2 mm. wide, ± equal.
    Corolla
    Corolla white with reddish purple spots in throat, golden to buff pubescent outside when dry; tube long, narrowly cylindrical below, campanulate above, 11–24 cm. long, the campanulate part 3.8–6.2 cm. long, 3.1–4.5 cm. wide at top, 3–6 mm. wide at base, glabrous within, the cylindrical portion pubescent within; lobes overlapping to left in bud, ovate, 1.3–2.6 cm. long, (1.2–)1.8–3 cm. wide, rounded or obtuse, whitish tomentose above.
    Anthers
    Anthers well-included, 2–3 cm. long.
    Pistil
    Style ± 11–18 cm. long, gradually widening to apex; stigma well-included, 2–3 cm. long, 3–4 mm. wide.
    Fruits
    Fruit ± ovoid, 2.5–3.2 cm. long, 2–2.2 cm. wide, not or sometimes slightly ribbed, golden pubescent, the calyx-limb and sometimes corolla persistent (perhaps not fully mature).
    Seeds
    Seeds not known.
    Habitat
    Forest; 60–450 m.
    Distribution
    K7 T3 T6 T8 not known elsewhere

    Images

    Distribution

    Native to:

    Kenya, Tanzania

    Rothmannia macrosiphon (K.Schum.) Bridson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 1980 Semsei, S.R. [711], Tanzania K000352654
    Dec 1, 1978 Peter, A. [56063], Tanzania K000352650
    Dec 1, 1978 Napper, D.M. [1384], Kenya K000352642
    Oct 11, 1978 Vollesen, K.B. [4342], Tanzania K000352651
    Drummond, R.B. [3875], Kenya K000352638
    Drummond, R.B. [3875], Kenya K000352639
    Drummond, R.B. [3938], Kenya K000352640
    Drummond, R.B. [3938], Kenya K000352641
    Moreau, R.E. [303], Tanzania K000352648
    Faulkner, H.G. [3831], Tanzania K000352647
    Peter, A. [56065], Tanzania K000352649
    Luke, W.R.Q. [1676], Kenya K000352636
    Holst, C. [3179], Tanzania K000352652 isosyntype
    Magogo, F.C. [856], Kenya K000352637
    Shabani [640], Tanzania K000352646
    Kokwaro, J.O. [3930], Kenya K000352643
    Saufferer, S. [784], Kenya K000352644
    Hawthorne, W. [1186], Tanzania K000352645
    Fundi, T.H. [12], Tanzania K000352653

    First published in Kew Bull. 31: 180 (1976)

    Accepted by

    • 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 in Kew Bulletin 31: 180 (1976).

    Sources

    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