1. Family: Fabaceae Lindl.
    1. Genus: Crotalaria L.
      1. Crotalaria amoena Welw. ex Baker

        This species is accepted, and its native range is Tanzania to Angola.

    [FZ]

    Leguminosae, various authors. Flora Zambesiaca 3:7. 2003

    Habit
    Bushy woody herb or small shrub, up to 2 m tall; branches tomentose.
    Leaves
    Leaves shortly petiolate, mostly 3-foliolate with the uppermost often 1-foliolate; leaflets mostly 3–10 × 1.2–3.5 cm, elliptic-lanceolate or elliptic to oblong-ovate, chartaceous, with slightly prominent venation, glossy and glabrous above except on midvein, sericeous beneath; stipules 2.5–6 mm long, subulate or linear.
    Inflorescences
    Racemes terminal, on reduced uppermost lateral branches and sometimes axillary, with 6–16 flowers rather closely arranged above; bracts 4–7 mm long, attenuate-subulate or linear; bracteoles near top of pedicel, filiform.
    Calyx
    Calyx 1–1.2 cm long, densely puberulous to tomentellous; lobes narrowly attenuate-triangular, ± twice as long as the tube.
    Corolla
    Standard subcircular or oblate, yellow tinged brownish or purplish, tomentellous outside; wings shorter than the keel; keel semicircular, crested behind the short beak, 1.2–1.6 cm long, sometimes hairy towards the lower margin.
    Fruits
    Pod 2.5–3.2 cm long, orange-brown velvety tomentellous outside, densely pubescent inside, maturing 3–8(12) seeds.
    Seeds
    Seeds 3–4 mm long, oblique-cordiform, granulate or smooth, brown.
    [FTEA]

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

    Habit
    Much-branched woody herb or shrub, up to 5–20 dm. tall, bushy above.
    Branches
    Branches terete, tomentose.
    Leaves
    Leaves shortly petiolate, mostly 3-foliolate, with the uppermost often 1-foliolate; leaflets elliptic-lanceolate, elliptic or oblong-obovate, up to 37–100 mm. long, 14–25 mm. wide, coriaceous, with the lateral nerves slightly prominent on both surfaces, glabrous except on the midvein and glossy above, densely silky pubescent beneath; petiole 2–5 mm. long.
    Stipules
    Stipules subulate or filiform, 2·5–6 mm. long.
    Inflorescences
    Racemes terminal on short few-leaved lateral branches or axillary, pedunculate, up to 6–15 cm. long, with ± 6–16 flowers closely arranged towards the top; bracts attenuate-subulate or linear, 4–7 mm. long; bracteoles inserted on the upper part of the pedicel, filiform, 3–5 mm. long.
    Calyx
    Calyx ± as long as the keel, 10–12 mm. long, densely puberulous to tomentellous; lobes narrowly attenuate-triangular, ± twice as long as the tube.
    Corolla
    Standard suborbicular to oblate, yellow, tinged brown or purplish, tomentellous outside; wings pointed-oblong, shorter than the keel; keel rounded about the middle, semiorbicular, with a crest on the upper margin preceding the short slightly incurved and somewhat circumflexed beak, 12–16 mm. long, sometimes puberulous on the lateral surfaces towards the lower margin.
    Fruits
    Pod shortly stipitate, sub-cylindrical, 25–32 mm. long, 9–11 mm. across, shortly orange-brown velvety tomentose outside, densely white spreading pubescent inside, maturing 3–8(–12) seeds from the ± 16–18 ovules.
    Seeds
    Seeds oblique-cordiform, ± 3 mm. long, minutely granulate or smooth, brown.
    Habitat
    Brachystegia woodland; ± 1450m.
    Distribution
    T5
    [ILDIS]

    International Legume Database and Information Service

    Conservation
    Not Threatened
    Ecology
    Africa: Zambezian woodland
    Habit
    Perennial, Not climbing, Herb/Shrub

    Images

    Distribution

    Native to:

    Angola, Tanzania, Zambia, Zaïre

    Crotalaria amoena Welw. ex Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1958 Gossweiler, J. [2990], Angola K001276862
    Jan 1, 1958 Gossweiler, J. [2990], Angola K001276863
    Bidgood, S. [6244], Tanzania K000468181
    Bidgood, S. [5764], Tanzania K000468660
    Welwitsch [1924], Angola K000227473

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 2: 26 (1871)

    Accepted by

    • 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.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Pope, G.V., Polhill, R.N. & Martins, E.S. (eds.) (2003). Flora Zambesiaca 3(7): 1-274. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Torre in Consp. Fl. Angol. 3: 58 (1962).
    • Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 4: 161 (1953).
    • Verdoorn in Bothalia 2: 396 (1928).
    • Bak. f. in Journal of the Linnean Society of London, Botany 42: 355 (1914).
    • Bak. in Flora of Tropical Africa 2: 26 (1871).
    International Legume Database and Information Service
    • Polhill, R. M. (1982). A. A. Balkema, Rotterdam 389pp Crotalaria in Africa & Madagasca

    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

    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/

    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