1. Family: Geraniaceae Juss.
    1. Genus: Pelargonium L'Hér. ex Aiton
      1. Pelargonium apetalum P.Taylor

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

    [FZ]

    Geraniaceae, T. Müller. Flora Zambesiaca 2:1. 1963

    Habit
    Decumbent annual herb; primary stem: ± ascending, branched; branches up to 1 m. long, weak and straggling; internodes 2–6 (10) cm. long; vegetative parts, peduncles and pedicels glandular and pubescent; hairs patent or ± appressed on the leaves; glands short-stalked to sessile.
    Leaves
    Leaf-lamina 1·5–4·5 (6) × 1·5–4·5 (6) cm., deltoid to broadly or very broadly ovate, apex subacute to obtuse, margin crenate, base cordate, almost unlobed to shallowly 3- or 5 (or 7)-lobed, membranous; petiole 1–3 cm. long; stipules 2–4 (7) × 1–3 (4) mm., lanceolate to ovate or deltoid, acute, often 2-fid, membranous; petioles 1–3 cm. long, 0·5–2·5 cm. long.
    Inflorescences
    Inflorescence a 1–2 (3)-flowered pseudumbel; peduncle leaf-opposed or in the axil of the smaller of 2 apparently opposite leaves, bearing a terminal pseudumbel of 1–2 (3) flowers; bracts 3–6, 1·5–2 × 0·5–0·8 mm., lanceolate or narrowly deltate, acute, membranous; free part of pedicel (3) 5–12 mm., long.
    Spur
    Spur 1–2 (3) mm. long.
    Calyx
    Sepals 2·5–4 × 0·5–2·5 mm., narrowly oblong to lanceolate, acute, ± patent, pilose and glandular.
    Corolla
    Petals 5 (4) or absent (in N. Nyasaland and Tanganyika), pink, 1·7–2 (2·5) × 0·5–0·7 mm., 2 posterior ones asymmetrically spathulate; 3 (2) anterior ones narrowly obovate, unguiculate, fertile filaments 2–3 (5), 1·8–2 mm. long.
    Androecium
    Stamens with sterile filaments (staminodes) (5) 7–8, 0·9–1·2 mm. long, all 9 or 10 connate at the base for 0·5 mm.; anthers 0·3–0·5 × 0·3–0·5 mm.
    Pistil
    Ovary often only 3–4-locular by abortion, with basal part tomentose; rostrum pubescent; style 0·2 mm. long; stigma 0·5 mm. long.
    Fruits
    Fruit 0·7–1·2 cm. long; cocci 2–8 × 1–2 mm.
    Seeds
    Seeds 1·8–2·4 × 0·8–1·2 mm., pale brown.
    [FTEA]

    Geraniaceae, J. O. Kokwaro (University College Nairobi). Flora of Tropical East Africa. 1971

    Habit
    Annual decumbent herb; primary stem ± ascending, branched; branches up to 1 m. long, usually slender (not more than 2.2 mm. in diameter), longitudinally grooved, sparsely pubescent and glandular, weak and straggling; internodes 2–6(–10) cm. long; vegetative parts, peduncle and pedicels glandular and pubescent; hairs patent, or somewhat appressed on the leaves; glands short-stalked to sessile.
    Leaves
    Leaves mostly opposite (one of every pair at each node usually smaller than the the other), those towards the root occasionally alternate; lamina deltoid to broadly ovate, l.5–4.5(–6) cm. long and wide, subacute to obtuse at the apex, margin crenate, the base cordate, almost unlobed to shallowly 3– or 5(rarely 7)-lobed, membranous, hispid on both surfaces; petiole 0.8–4.8 cm. long; stipules lanceolate to ovate or deltoid, 2–4(–7) mm. long, 1–4 mm. wide, acute, often bifid, membranous, glabrous on both surfaces but ciliate along the margins.
    Inflorescences
    Inflorescence of 2 (rarely 3) flowers or the flowers frequently solitary; peduncle 5–10 mm. long, leaf-opposed or in the axil of the smaller of the 2 apparently opposite leaves; free part of the pedicel 3–12 mm. long; bracts 3–6 per pedicel, lanceolate or narrowly deltoid, 1.5–2 mm. long, 0.5–0.8 mm. wide, acute, membranous.
    Calyx
    Sepals narrowly oblong to lanceolate, 2.5–4 mm. long, 0.5–2.5 mm. wide, acute, pilose and glandular, usually pinkish in colour.
    Spur
    Spur 1–3 mm. long, glandular.
    Corolla
    Petals absent or if present (as in Rhodesian specimens) not more than 2.5 mm. long.
    Stamens
    Stamens 9 or 10, all connate at the base for 0.5 mm.; antheriferous group 2–3(5), 1.8–2 mm. long; staminodes (5–)7–8, 0.9–1.2 mm. long:anthers as long as wide, 0.3-0.5 mm.
    Pistil
    Ovary usually 3–4-locular by abortion, with basal part tomentose; rostrum pubescent; style 0.2 mm. long, hispid to pubescent; stigmas 4 in Flora area, ± 0.5 mm. long, usually twisting around each other.
    Fruits
    Fruit 0.7–1.2 cm. long, hispid or pubescent; mericarps 2.8 mm. long, 1.2 mm. wide, sparsely pubescent.
    Seeds
    Seeds 1.8–2.4 mm. long, 0.8–1.2 mm. wide, glabrous; testa minutely reticulate, pale brown.
    Figures
    Fig. 4.
    Habitat
    Upland secondary bushland derived from rain-forest, on hillslopes and rocky ground, becoming a weed in cultivation; 1500–2000 m.
    Distribution
    T8

    Distribution

    Native to:

    Malawi, Tanzania, Zimbabwe

    Pelargonium apetalum P.Taylor appears in other Kew resources:

    First published in Hooker's Icon. Pl. 36: t. 3579 (1962)

    Accepted by

    • Kokwaro, J.O. (1971). Flora of Tropical East Africa, Geraniaceae: 1-23.
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
    Flora of Tropical East Africa
    • Müller in Flora Zambesiaca 2: 145 (1963).
    • P. Taylor in Hook., Ic. Pl. 36, t. 3579 (1962).

    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 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