1. Family: Brassicaceae Burnett
    1. Genus: Rorippa Scop.
      1. Rorippa micrantha (Roth) Jonsell

        This species is accepted, and its native range is São Tomé to Ethiopia and S. Africa, Madagascar, India, Sri Lanka.

    [FTEA]

    Cruciferae, Bengt Jonsell (University of Stockholm). Flora of Tropical East Africa. 1982

    Habit
    Annual herb with a taproot.
    Stem
    Stems erect or ascending, up to 70 cm. high but often much shorter, branched at least in upper parts, somewhat pubescent especially basally.
    Leaves
    Basal leaves lyrate-pinnatipartite, in an evanescent rosette; cauline leaves petiolate, auriculate, nearly amplexicaul, broadly oblong-elliptic in outline, pinnatisect to lyrate-pinnatipartite (in E. Africa rarely simple and only coarsely incised); lateral lobes usually in 2–5 pairs, sessile, elliptic to lanceolate, serrate, up to 3 cm. long.
    Inflorescences
    Racemes terminal and axillary, ebracteate, with numerous small yellowish flowers, in fruit rather lax, up to 20 cm. long.
    Pedicel
    Pedicels spreading, straight, 2.5–5 mm. long.
    Calyx
    Sepals light to yellowish green, elliptic, 1.5–2.5 mm. long.
    Corolla
    Petals pale yellow, sometimes with a violet tinge, spathulate, 2–3 mm. long, usually longer than the sepals.
    Anthers
    Anthers ± 0.7 mm. long.
    Pistil
    Ovary ellipsoid to cylindrical, with very short style and a flat expanded stigma.
    Fruits
    Siliqua linear, straight, (8–)14–25 mm. long., 1.8–2.5 mm. broad, with a 1–2.2 mm. long and 0.5–0.8 mm. broad style; stigma broader than style and slightly bifid.
    Seeds
    Seeds red-brown, finely orbicular to broadly elliptic in outline, 0.5–0.8 mm. long.
    Figures
    Fig. 19.
    Habitat
    Open muddy or seasonally dry soil along rivers and streams, around pools etc., also a weed on open and even rather dry sandy to gravelly places, occasionally abundant and apparently spreading; 10–2400 m.
    Distribution
    widespread in the eastern parts of Africa from the Nile Valley in Egypt and Sudan to South Africa (Transvaal, Natal) and Madagascar, westwards to São Tomé, Zaire (Shaba) and Angola K1 K3 K4 K5 K6 K7 T1 T2 T3 T4 T5 T6 T7 T8

    Distribution

    Native to:

    Angola, Congo, Ethiopia, Gulf of Guinea Is., India, Kenya, KwaZulu-Natal, Madagascar, Mozambique, Northern Provinces, Rwanda, Sri Lanka, Sudan, Tanzania, Uganda, Zaïre

    Rorippa micrantha (Roth) Jonsell appears in other Kew resources:

    First published in Svensk Bot. Tidskr. 68: 384 (1974)

    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., Paiva, J., Stévart, T., Oliveira, F. & Smith, G.F. (2011). Annotated catalogue of the flowering plants of São Tomé and Príncipe Bothalia, A Journal of Botanical Research 41: 41-82.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Jonsell, B. (1982). Flora of Tropical East Africa, Cruciferae: 1-73.

    Literature

    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.
    • Figueiredo, E., Paiva, J., Stévart, T., Oliveira, F. & Smith, G.F. (2011). Annotated catalogue of the flowering plants of São Tomé and Príncipe Bothalia, A Journal of Botanical Research 41: 41-82.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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.
    • Jonsell, B. (1982). Flora of Tropical East Africa, Cruciferae: 1-73.
    • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.
    Flora of Tropical East Africa
    • Jonsell in Sv. Bot. Tidskr. 68: 384, fig. 2/I–L, 3/B, 4/C–D, 5/C (1974).

    Sources

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