1. Family: Caprifoliaceae Juss.
    1. Genus: Valeriana L.
      1. Valeriana volkensii Engl.

        This species is accepted, and its native range is E. Central & E. Tropical African Mountains.

    [FTEA]

    Valerianaceae, J. O. Kokwaro (East African Herbarium). Flora of Tropical East Africa. 1968

    Habit
    Perennial herb 5–10(–18) dm. tall, simple or branched, slender, rhizomatous and sometimes stoloniferous, often rooting at the nodes; stems herbaceous, usually clambering or erect, 1.5–5.0 mm. thick, generally leafless below and branched at the nodes above (first branches supported by leaves at the nodes); nodes solid.
    Leaves
    Leaves membranous, mostly cauline, imparipinnate, rhombic, largest at the base but decreasing in size and bract-like towards the inflorescence or undivided and ovate, glabrous to rather pilose; rhachis and the terminal leaflet of the undivided leaves 4.4–16.5 cm. long; apices and margins of the undivided leaves and the leaflets are characterized by glandular structures; terminal leaflet 1.8–6.5 cm. long, 0.6–3.4 cm. wide; lateral leaflets in 1–4 pairs, smaller than the terminal; undivided leaves ovate, 3–4 cm. long; petiole 0.5–4.8 cm. long.
    Inflorescences
    Inflorescence a dichasial thyrse 10–50 cm. long, 4–20 cm. wide; internodes glabrous or pilose; nodes tufted-pilose; floral bracts broadly lanceolate to ovate, 2.0–8.5 mm. long, 0.5–3.5 mm. wide.
    Flowers
    Flowers perfect (or ? occasionally imperfect), white to pale pink.
    Calyx
    Calyx-limb 8–13-fid, forming a feathery pappus in fruit.
    Corolla
    Corolla infundibuliform, gibbous, sometimes irregular, 1.5–3.0 mm. long; lobes one-third to one-half the tube-length; throat glabrous within.
    Stamens
    Stamens 3, included; anthers 4-lobed.
    Style
    Style barely 3-lobed and included, or distinctly 3-lobed and slightly exserted.
    Fruits
    Achenes elliptic to oval-patelliform, 2.5– 4.5 mm. long, 1.5–3.0 mm. wide, glabrous throughout (in specimens from Kilimanjaro and Ruwenzori) or pubescent on the adaxial face (in most specimens from Elgon), fairly dark-brown.
    Figures
    Fig. 2.
    Habitat
    Moist ground along stream sides, in moist bamboo thickets, in upland rain-forest and in upland moor; 2300–3450 m.
    Distribution
    K3 K5 T2 U3

    Images

    Distribution

    Native to:

    Kenya, Tanzania, Uganda, Zaïre

    Valeriana volkensii Engl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Tweedie, E.M. [892], Kenya 9988.000
    Volkens, G. [1917] K000252342 holotype

    First published in Pflanzenw. Ost-Afrikas, C: 395 (1895)

    Accepted by

    • Kokwaro, J.O. (1968). Flora of Tropical East Africa, Valerianaceae: 1-9.

    Literature

    Kew Backbone Distributions
    • Kokwaro, J.O. (1968). Flora of Tropical East Africa, Valerianaceae: 1-9.
    Flora of Tropical East Africa
    • Meyer in Journal of the Linnean Society of London, Botany 55: 764, fig. 2 (1958).
    • O. Hedberg, Afroalpine Vascular Plants p. 181(1957).
    • Staner & Lebrun in Bull. Agric. Congo Beige 25: 427(1934).
    • De Wild., Pl. Bequaert. 1: 288 (1922).
    • Mildbr. in Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika-Expedition 1907-1908, 2 (Botanik) p. 342 (1911).
    • Engl., Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 395 (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