1. Family: Apocynaceae Juss.
    1. Genus: Raphionacme Harv.
      1. Raphionacme grandiflora N.E.Br.

        This species is accepted, and its native range is W. & SW. Tanzania to S. Tropical Africa.

    [FTEA]

    Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

    Habit
    Herb, erect, single or few-stemmed.
    Tubers
    Tuber conical to spherical, up to 8 cm diameter.
    Stem
    Aerial stems erect, up to 80 cm long, branching lateral, sparsely to densely pubescent or velutinous
    Leaves
    Leaf petiole 0–2.5 cm long; blade obovate, ovate, narrowly obovate, narrowly ovate or linear, (2–)10–21 × (0.3–)1–6 cm, often narrowing from base to apex of stem, above dark green, glabrous, pubescent or velutinous and often densely dotted, beneath pale green and glabrous with veins pubescent or velutinous or hairy all over; secondary veins arching
    Inflorescences
    Inflorescences 1–3-flowered, terminal and from upper 2–3 nodes; indumentum as on stem.
    Peduncles
    Peduncles rarely present.
    Bracts
    Bracts subulate to narrowly triangular, 1–5 mm long.
    Pedicel
    Pedicels 1.5–5 cm long
    Calyx
    Sepals narrowly ovate, 5–6 × ± 2 mm, acuminate, margin fimbriate
    Corolla
    Corolla glabrous; tube campanulate, 5–9 mm long, pentangular, basally 5-saccate; lobes ovate to triangular, 115–20 × 8–10 mm, inside deep violet, deep violet-blue or deep red, sometimes with green tips
    Corona
    Corona white, whitish flecked violet, violet or greenish; lobes fused to corolla lobe bases, fleshy, rectangular, 4–5 × 4–5 mm, apex trisegmented, central segment filiform, 5–7 mm long, lateral segments corniculate to subulate, 1–2 mm long
    Filaments
    Staminal filaments filiform, 1–2 mm long.
    Anthers
    Anthers creamy-white with connective purplish, narrowly ovate-hastate, acute, 7–8 mm long, upper half with pollen, lower of two thickened horn-like callosities
    Style
    Style terete, 5–6 mm long; style-head broadly oblong-ovoid, obtuse, 5–9 × 4–8 mm
    Gynostegium
    Gynostegium base in corolla mouth
    Fruits
    Follicles paired, erect, linear-ovoid, 15–18 cm long, 8–10 mm diameter, attenuate, glabrous.
    Seeds
    Seeds narrowly ovate, 8–10 mm long; coma 3 cm long
    Figures
    Fig 47, p 151
    Ecology
    Miombo woodland and grassland on alluvium, sand or laterite, often on stony soil among rocks; 900–1400 m
    Distribution
    Flora districts: T4 T8 Range: Rwanda, Zambia, Malawi, Mozambique and Zimbabwe

    Images

    Distribution

    Native to:

    Malawi, Mozambique, Rwanda, Tanzania, Zambia, Zimbabwe

    Raphionacme grandiflora N.E.Br. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Carson, A. [5], Zambia K000234182 Unknown type material
    Milne-Redhead, E. [8394 A], Tanzania Pentagonanthus grandiflorus 5130.000
    Goyder, D.J. [3597], Malawi Pentagonanthus grandiflorus 58335.000

    First published in Bull. Misc. Inform. Kew 1895: 111 (1895)

    Accepted by

    • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
    • Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
    • Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.

    Literature

    Kew Backbone Distributions
    • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
    • Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
    Flora of Tropical East Africa
    • K.B. 8: 353 (1953).
    • F.T.A. 4(1): 270 (1902)
    • K.B. 1895: 111 (1895)

    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