1. Family: Fabaceae Lindl.
    1. Genus: Trifolium Tourn. ex L.
      1. Trifolium polystachyum Fresen.

        This species is accepted, and its native range is Eritrea to S. Tropical Africa.

    [FTEA]

    Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

    Habit
    Stems glabrous below, sparsely pilose above, up to 3 mm. thick, up to 80 cm. tall, often creeping and rooting at the nodes near the base.
    Leaves
    Stipular sheath up to 2 cm. long, free parts triangular, ± 5 mm. long, ending in fine points; leaflets elliptic or oblanceolate, rounded or acute at the apex, up to 3 cm. long and 7 mm. wide; main nerves 12–15 on each side, ± straight, at ± 20° to the midrib.
    Inflorescences
    Inflorescences oblong, many-flowered, the flowering part up to 35 mm. long by 15 mm. wide; peduncle up to 7 cm. long, pilose; bracts narrow, 0·5–1 mm. long; pedicel pilose, ± 1 mm. long, ascending in fruit.
    Calyx
    Calyx pilose, the tube ± 2 mm. long, 11-nerved; teeth subulate, the 2 upper ± 3 mm., the 3 lower ± 4 mm. long.
    Corolla
    Standard oblong-oblanceolate, ± 8 mm. long.
    Stamens
    Stamens 5–6 mm. long.
    Ovary
    Ovary substipitate.
    Fruits
    Pod glabrous, ± 2·8 by 1·6 mm.
    Seeds
    Seeds 1–2, yellow, mottled, ± 1·6 by 1 mm.; hilum lateral.
    Habitat
    Swampy grassland and forest margins; 1800–2500 m.; rainfall ± 1100 mm.
    Distribution
    K2 K3 var. psoraleoïdes Hiern in southern Congo, Zambia and Angola
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Afromontane grassland
    Habit
    Perennial, Not climbing, Herb

    Distribution

    Native to:

    Angola, Eritrea, Ethiopia, Kenya, Malawi, Sudan, Uganda, Zambia, Zaïre

    Trifolium polystachyum Fresen. appears in other Kew resources:

    First published in Flora 22: 50 (1839)

    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.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Pope, G.V., Polhill, R.N. & Martins, E.S. (eds.) (2003). Flora Zambesiaca 3(7): 1-274. Royal Botanic Gardens, Kew.
    • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Gillett in Kew Bulletin 7: 371, fig. 1/1–9 (1952).
    • Fiori in N. Giorn. Bot. Ital. n.s. 55: 346, fig. 22 (1949).
    • Lanza, Pl. Erythr., t. 4 (1910).
    • Bak. in Flora of Tropical Africa 2: 58 (1871), pro parte.
    • Fresen. in Flora 22: 50 (1839).
    International Legume Database and Information Service
    • Gillett, J. B. et al. (1971). Papilionoideae. In: Fl. Trop. E. Africa, Milne-Redhead & Polhill

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    International Legume Database and Information Service
    International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    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