1. Family: Rubiaceae Juss.
    1. Genus: Kohautia Cham. & Schltdl.
      1. Kohautia cynanchica DC.

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

    [FZ]

    Rubiaceae, B. Verdcourt. Flora Zambesiaca 5:1. 1989

    Habit
    Annual or perennial occasionally suffrutescent erect to suberect herbs or rarely small dwarf shrubs (6)10–60(100) cm. tall, with woody base to 5(10) mm. in diam.; stems ± quadrangular, papillose, scabrid or glabrous, becoming glabrous towards the top, often with sparse rounded papillae along ridges.
    Leaves
    Leaves (10)16–40(65) x (0.4)0.6–1.5(2) mm., filiform to narrowly linear, rarely narrowly linear-lanceolate, apex acute, very slightly narrowed to the base, margins mostly revolute, ± glabrous or lower surfaces especially midrib and margins with rounded loosely arranged papillae, numerous short shoot leaves often giving nodes a fasciculate appearance; stipular sheath (0.5)0.6–1.5(1.7) mm. long, glabrous, stipular lobes 0.4–1.2(2) mm. long.
    Inflorescences
    Inflorescences ± spreading, 1 or mostly 2 flowers at a node, one subsessile, the other pseudo-pedicellate; peduncles (2) 10–45 mm. long; pseudo-pedicels 3–12(20) mm. long; glabrous, scabrid or ± verrucosely papillose.
    Calyx
    Calyx tube (0.8)1–1.6(1.8) x (0.7)1–1.5(1.7) mm., hemispherical to ± ovoid, glabrous or minutely verrucose; lobes (0.5)1–2(2.5) mm. long and 0.2–0.6 mm. wide at the base, broadly to narrowly triangular, rarely ± ovate-lanceolate, glabrous or ± scabrid with minute papillae along margins and midribs or minutely verrucose occasionally with short filiform elements on either side.
    Flowers
    Flowers scented during late afternoon and evening; corolla lobes above white, cream, more rarely pinkish mauve, tube and lobes darker below—brown, reddish brown, olive green, olive brown or dirty cream, glabrous or outside of dilated tube and midvein on back of lobes with sparse small round papillae; tube altogether (8.5)9.6–14.2(16) mm. long, the widened part (1.4)1.5–2.6(3.4) x 1–1.8(2) mm., the narrow part (0.4)0.5–1 mm. wide; lobes 2.8–5.8(7) x (0.8)1–2(2.5) mm., narrowly oblong to ovate, not quite parted to the base, ± acute.
    Anthers
    Anthers narrowly ovate, c. 1–2.2 mm. long, often sterile, connectives darkly discoloured; pollen 3- (very rarely 4-)colporate.
    Pistil
    Style 1.5–2.6 mm. long; stigma lobes 1.4–2.6 mm. long.
    Fruits
    Capsules (1)2.2–3 x (2.2)2.8–3.8(4.3) mm., obconic-hemispherical rarely subglobose, glabrous or slightly scabrid.
    Seeds
    Seeds brown c. 0.6 mm. long, angular-subconic.

    Images

    Distribution

    Native to:

    Angola, Botswana, Cape Provinces, Free State, Mozambique, Namibia, Northern Provinces, Zimbabwe

    Kohautia cynanchica DC. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Oct 1, 1940 Burchell [1987], South Africa K000414345 Unknown type material
    Oct 1, 1940 Burke [s.n.], South Africa K000414346
    Burchell [1772], South Africa K000414343 Unknown type material
    Burchell [2284], South Africa K000414344
    Wild, H. [2429], Zimbabwe K000414366 Unknown type material
    Wild, H. [2429], Zimbabwe K000414367
    Bidgood, S. [BO/21], Botswana K000823848
    Dinter [6679], South Africa K000414347 Unknown type material
    Dinter [8459], South Africa K000414348 Unknown type material
    Dinter [6874], South Africa K000414349
    Dinter [6874], South Africa K000414350
    [illegible] [s.n.], Angola K000414365 Unknown type material
    Dec 1, 1948 Engler, A. [614905], South Africa Kohautia raphidophylla K000414342

    First published in Prodr. 4: 430 (1830)

    Accepted by

    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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/

    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