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  1. Family: Polygalaceae Hoffmanns. & Link
    1. Genus: Polygala Tourn. ex L.
      1. Polygala exelliana Troupin

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

    [FZ]

    Polygalaceae, A. W. Exell. Flora Zambesiaca 1:1. 1960

    Habit
    Shrub or perennial herb up to 2.5 m. in height, stems densely crisped- or patent-pubescent.
    Leaves
    Leaves 2.5–7 x 0.4–1.4 cm., linear-elliptic to narrowly elliptic, rounded or acute at the apex, cuneate at the base, densely pubescent.
    Flowers
    Flowers red or purple, pedicels slender pilose up to 8 mm. long, in congested terminal racemes usually 4–5 cm. long (up to 10 cm.) with densely pubescent rhachis and persistent, opaque, dark red or greenish bracts and bracteoles up to about 3 mm. long, pointed but without long filiform tips.
    Calyx
    Posterior sepal 5 mm. long; wing sepals 9–11 x 7–8.5 mm., obliquely suborbicular, pubescent or nearly glabrous with a few hairs towards the base; anterior sepals 4.5 mm. long, free.
    Corolla
    Upper petals 8 mm. long, bent nearly at right angles and laterally notched; carina 11 x 5 mm., crest 3 mm. long.
    Stamens
    Stamens 8.
    Fruits
    Capsule 6–9 x 4–5 mm., obovate-elliptic in outline, shiny, with very narrowly winged pilose margin.
    Seeds
    Seed 4.5 x 1.5 mm., cylindric, with rather short, white, silky-pubescent indumentum; caruncular appendages absent.
    [FTEA]

    Polygalaceae, Jorge Paiva. Flora of Tropical East Africa, 2007

    Type
    Type: Congo-Kinshasa, upper Katanga, Kitendwe-Kasiki, De Witte 373 (BR!, holo.; BM!, iso.)
    Habit
    Shrublet or perennial herb, 1–4 m tall
    Stem
    Stems erect, ± branched, densely patent- or crisped-pubescent
    Leaves
    Leaves alternate, shortly petiolate (petiole 0.5–1 mm), linearelliptic to oblong-lanceolate, 2–7 × 0.4–2 cm, acute or rounded, base cuneate, densely pubescent
    Flowers
    Flowers purple, red or whitish, in congested many-flowered terminal racemes 4–15 cm long, rachis densely pubescent; bracts lanceolate, 3–4 × 0.5–1 mm, subacute, persistent; bracteoles ovate, 2–2.5 × 0.5–0.8 mm, persistent; pedicels 9–13 mm, slender, pilose
    Calyx
    Posterior sepal keel-shaped, 4–6.5 × 3–3.5 mm; wing sepals obliquely suborbicular, 9–11 × 8–10 mm, with a few hairs towards the base to pubescent; anterior sepals keel-shaped, 4–5 × 3–3.5 mm, free
    Corolla
    Upper petals obliquely elliptic and laterally notched, 8–11 × 3–4 mm; carina 10–11 mm long; crest 3–4 mm long, fimbriate
    Stamens
    Stamens 8
    Fruits
    Capsule obovate-elliptic in outline, 6–9 × 4–5 mm, narrowly winged (wing 0.2 mm wide), brownish, shiny, ciliate
    Seeds
    Seeds cylindric, 3.5–4.5 × 1.5 mm, white, silky, short-pubescent; caruncle subsymmetric, kidneyshaped, with three very short appendages
    Figures
    Fig 7: 1, p 14
    Ecology
    Open woodland and wooded grassland; 900–2300 m
    Distribution
    Range: Congo-Kinshasa, Zambia and Malawi Flora districts: T1 T4 T7

    Distribution

    Native to:

    Malawi, Tanzania, Zambia, Zaïre

    Other Data

    Polygala exelliana Troupin appears in other Kew resources:

    Bibliography

    First published in Bull. Jard. Bot. État Bruxelles 19: 206 (1948)

    Accepted by

    • Paiva, j. (2007). Flora of Tropical East Africa, Polygalaceae: 1-60.
    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Literature

    Kew Backbone Distributions

    • Exell, A.W. & Wild, H. (eds.) (1960). Flora Zambesiaca 1(1): 1-336. Royal Botanic Gardens, Kew.
    • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

    Flora of Tropical East Africa

    • Fontqueria 50: 203, t. 38/c (1998).
    • F.Z. 1, 1: 320, t. 56/2 (1960)
    • F.C.B. 7: 262 (1958)
    • B.J.B.B. 19: 206 (1948), as exelleana

    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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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