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  1. Family: Polygalaceae Hoffmanns. & Link
    1. Genus: Polygala Tourn. ex L.
      1. Polygala gossweileri Exell & Mendonça

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

    [FZ]

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

    Habit
    Perennial herb with woody base, about 15 cm. tall.
    Stem
    Stems slender, striate, glabrous.
    Leaves
    Leaves 8–14 x 0.5–1 mm., linear, with needle-like points, glabrous.
    Flowers
    Flowers blue, pedicels 5–7 mm. long, solitary, or in few-flowered, lateral racemes about 1.5 cm. long.
    Calyx
    Posterior sepal 2.2 mm. long; wing sepals 5 x 2.5 mm., obliquely elliptic, acute, with ciliolate margins; anterior sepals 2 mm. long, connate.
    Corolla
    Upper petals 4 x 3.3 mm., obovate.
    Androecium
    Stamens 6 fertile with 2 staminodes.
    Fruits
    Capsule 2.5–3 x 2–2.5 mm., margin narrowly winged.
    Seeds
    Seeds 2 x 0.8 mm., cylindric, white-sericeous; caruncle 0.7 mm. long with a very short appendage.
    [FTEA]

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

    Type
    Type: Angola, Bié, R. Colui, Gossweiler 2146 (BM!, holo.; COI, iso.)
    Habit
    Perennial herb sending up annual shoots up to 15 cm long from a woody rootstock and forming tufts
    Stem
    Stems erect or decumbent, slender, striate, glabrous
    Leaves
    Leaves alternate, subsessile, linear, 5–20 × 0.5–1 mm, acute, with a needle-like point, base cuneate, margin revolute, glabrous
    Flowers
    Flowers blue, solitary or in a lateral simple few-flowered raceme, up to 1.5 cm long; rachis glabrous; bracts linear, 0.5 mm long, caducous; bracteoles linear, ± 0.2 mm long, caducous; pedicels 5–9 mm, glabrous
    Calyx
    Posterior sepal keel-shaped, 2.2 × 1.5 mm, ciliolate; wing sepals obliquely elliptic, 4.5–5 × 2.5–3 mm, acute, 3–5-veined from the base, ciliolate; anterior sepals keel-shaped, 1.7–2 × 1.5 mm, ciliolate, connate
    Corolla
    Upper petals obliquely obovate, 4–4.5 × 3–3.5 mm; carina 5–5.2 × 2.5–2.8 mm; crest 1.5 mm long, bilobed
    Stamens
    Stamens 6 fertile with 2 staminodes
    Fruits
    Capsule oblong-elliptic in outline, 2.5–3 × 2–2.5 mm, narrowly winged, glabrous
    Seeds
    Seeds ellipsoid, 2–2.2 × 0.7–1 mm, with white-sericeous hairs; caruncle asymmetrically kidney-shaped, 0.7 mm long, hairy, appendages scarcely developed.
    Ecology
    Grassland; ± 960 m
    Distribution
    Range: Angola, Zambia and Malawi Flora districts: T8

    Distribution

    Native to:

    Angola, Malawi, Tanzania, Zambia

    Other Data

    Polygala gossweileri Exell & Mendonça appears in other Kew resources:

    Bibliography

    First published in J. Bot. 74: 133 (1936)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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.

    Literature

    Kew Backbone Distributions

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • 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.

    Flora of Tropical East Africa

    • Fontqueria 50: 234 (1998).
    • F.Z. 1, 1: 335 (1960)
    • J.B. 74: 133 (1936)

    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