1. Family: Onagraceae Juss.
    1. Genus: Epilobium Dill. ex L.
      1. Epilobium salignum Hausskn.

        This species is accepted, and its native range is Tropical & S. Africa, Madagascar.

    [FTEA]

    Onagraceae, J. P. M. Brenan. Flora of Tropical East Africa. 1953

    Habit
    Herbaceous or thinly woody, up to 1.5 m. high, often branched above, appressed grey-puberulous on stems, margins and veins of leaves, ovaries, outside of sepals and fruits; leaves sometimes glabrous; no capitate glandular hairs.
    Stem
    Stems without imbricate scale-leaves at base.
    Leaves
    Leaves lanceolate to oblong-linear, 2–8 cm. long, 0.3–1.4 cm. wide, obtuse or subacute at apex, cuneate to narrowly rounded at base; petiole usually 1.5–4.5 mm. long.
    Flowers
    Flowers nodding, white or cream, often pink-tinged later.
    Calyx
    Sepals 4.5–7.5 mm. long.
    Corolla
    Petals 6–11.5 mm. long, 3–4.5 (sometimes to 7) mm. wide, lamina elliptic or narrowly obovate-elliptic.
    Style
    Style 3.5–7 mm. long.
    Stigma
    Stigma variable in shape, normally oblong to ellipsoid more rarely obovoid, entire or nearly so, 2–3.5 mm. long, 0.7–1.5 mm. wide.
    Fruits
    Capsules 3–8 cm. long; pedicels 1.3–4.5 cm. long.
    Figures
    Fig. 1/4, (p. 3).
    Habitat
    Marshy and swampy places by streams; 1070–2830 m.
    Distribution
    eastern side of Africa from Abyssinia southwards to South Africa, westwards to the French and British Cameroons and Angola K3 K4 T4 T6 T7 U2
    [FWTA]

    Onagraceae, J. P. M. Brenan. Flora of West Tropical Africa 1:1. 1954

    Habit
    Herbaceous or thinly woody, to 5 ft. high, often branched above
    Flowers
    Flowers white or cream, often pink-tinged later.
    [FZ]

    Onagraceae, P. H. Raven. Flora Zambesiaca 4. 1978

    Habit
    Perennial herb 0·2–1·6 m. tall, the stems sometimes persistent and subligneous; strongly rhizomatous, the rhizomes lacking scales, long-spreading and giving rise to new leafy shoots; plants evenly strigulose, sometimes sparsely so with faintly marked lines running down from the margins of the pedicels.
    Leaves
    Leaves 2·8 × 0·3–2 cm., mostly opposite or subopposite, alternate in the inflorescence, the margins and veins and sometimes the entire surface finely strigulose, very narrowly to narrowly elliptic, rarely almost lanceolate, acute, rarely acuminate, narrowly cuneate to attenuate at the base, very rarely rounded, weakly serrulate or rarely serrate towards the base; petiole 1–8 mm. long, distinct.
    Inflorescences
    Inflorescence to 30 cm. long, densely strigulose, erect in bud, the bracts usually not much reduced; flowers nodding in bud and when they first open, later erect.
    Flowers
    Floral tube 1·5–2·3 × 0·8–2 mm., its mouth glabrous or long-ciliate.
    Calyx
    Sepals 3·5–8·5 × 1·2–2·2 mm., apiculate.
    Corolla
    Petals 5–15 × 2–7 mm., narrowly obovate, at first white or cream, then rose-pink following pollination, the notch 0·2–2 mm. deep.
    Stamens
    Anthers 0·8–2 mm. long, brownish, fading rose; filaments white, those of the longer stamens 2·5–8 mm. long, those of the shorter ones 1·5–5 mm.
    Style
    Styles white, 4·2–10 mm. long; stigma 1·8–4 × 1·2–1·8 mm., white, usually clavate, rarely subcapitate, the longer anthers usually just reaching the base of the stigma.
    Fruits
    Capsules 3-7 mm. long, densely strigulose, erect, on a pedicel 0·8–4·5 cm. long; seeds 1–1·35 × 0·35–0·6 mm., light brown or tan, oblong-obovoid, obtuse at the base, very minutely pitted, the coma c. 5–9 mm. long, copious, white.
    Cytology
    Chromosome number n=18.

    Images

    Distribution

    Native to:

    Angola, Burundi, Cameroon, Cape Provinces, Ethiopia, Free State, Kenya, KwaZulu-Natal, Lesotho, Madagascar, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Epilobium salignum Hausskn. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jul 1, 2000 Etuge, M. [3616], Cameroon K000338011
    May 1, 2000 Cheek, M. [8746], Cameroon K000338010
    Jul 1, 1999 Buzgo, M. [691], Cameroon K000338013
    Jan 1, 1977 Sanford, W.W. [5521], Cameroon K000050361
    Jan 1, 1964 Baron, R. [2269], Madagascar K000310927
    Mar 19, 1953 Welwitsch [4459], Angola K000310924
    Mar 19, 1953 Welwitsch [4458] K000310925
    Mar 19, 1953 K000310947
    Mar 19, 1953 Cooper, T. [1069] K000310946
    Mar 19, 1953 Baur, R. [104] K000310948
    Nov 1, 1952 Tamajong, S. [FHI 23474], Cameroon K000050364
    Hepper, F.N. [2076], Cameroon K000050362
    Hepper, F.N. [2076], Cameroon K000050363
    Shaw [s.n.] K000310940 Unknown type material
    Madagascar K000310928
    Cooper, T. [2420] K000310945
    Cooper, T. [1069], Free State K000310941 Unknown type material
    Rehmann, A. [6409], Transvaal K000310944
    Lyall [138], Madagascar K000310929

    First published in Oesterr. Bot. Z. 29: 90 (1879)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
    • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.
    • Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Launert, E. (ed.) (1978). Flora Zambesiaca 4: 1-658. Royal Botanic Gardens, Kew.
    • Taton, A. (1967). Flore du Congo du Rwanda et du Burundi, Onagraceae: 1-25. Jardin Botanique National de Belgique, Bruxelles.
    • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
    • Brenan, J.P.M. (1953). Flora of Tropical East Africa, Onagraceae: 1-21.

    Literature

    Flora of West Tropical Africa
    • Brenan in F.T.E.A. Onagrac. 5, t. 1 (1953).
    • Hausskn. Monogr. Epilobium 236 (1884)
    • in Oesterr. Bot. Zeitschr. 29: 90 (1879)
    Kew Backbone Distributions
    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Perrier de la Bâthie in Humbert, Not. Syst. 13: 138 (1947).
    • Hausskn., Monogr. Epilobium 236 (1884).
    • Hausskn. in Oesterr. Bot. Zeitschr. 29: 90 (1879).

    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

    Flora of West Tropical Africa
    Flora of West Tropical 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