1. Family: Rubiaceae Juss.
    1. Pentodon Hochst.

      1. This genus is accepted, and its native range is Africa, Arabian Pen.

    [FTEA]

    Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

    Habit
    Glabrous subsucculent annual or short-lived perennial herbs with slender rootstocks
    Leaves
    Leaves paired, sessile, penninerved but lateral nerves obscure; stipules with the short sheath divided into (1–)2–5 narrow fimbriae
    Flowers
    Flowers small, hermaphrodite, dimorphic or not, in few–several-flowered very lax pedunculate terminal or apparently axillary (solitary at the nodes) inflorescences which appear to be verticillate, with 1–4 flowers from 1–4 widely spaced nodes
    Calyx
    Calyx-tube obconic or campanulate; lobes 5, equal, very narrowly triangular
    Corolla
    Corolla-tube narrowly funnel-shaped, throat hairy; lobes 5, ovate-triangular
    Stamens
    Stamens exserted in short-styled forms, included in long-styled and equal-styled forms
    Pistil
    Ovary 2-locular; placentas peltate with numerous ovules; style filiform, glabrous; stigma 2-lobed, the lobes filiform, included in short-styled forms, often exserted in equal-styled forms, exserted in long-styled forms
    Fruits
    Fruit capsular, campanulate or oblong, the beak only slightly raised, loculicidally dehiscent
    Seeds
    Seeds small, numerous, brown, angular.
    [FZ]

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

    Habit
    Glabrous subsucculent annual or short-lived perennial herbs with a slender rootstock.
    Leaves
    Leaves paired, sessile, penninerved but lateral nerves obscure; stipules with the short sheath divided into (1 )2–5 narrow fimbriae.
    Flowers
    Flowers small, hermaphrodite, dimorphic or not, in few several-flowered very lax pedunculate terminal or apparently axillary (solitary at the nodes) inflorescences which appear to be verticillate, with 1–4 flowers from 1–4 widely spaced nodes.
    Calyx
    Calyx tube obconic or campanulate; lobes 5, equal, very narrowly triangular.
    Corolla
    Corolla tube narrowly funnel-shaped, throat hairy; lobes 5, ovate-triangular.
    Stamens
    Stamens exserted in short-styled forms, included in long-styled and equal-styled forms.
    Pistil
    Ovary 2-locular; placentas peltate with numerous ovules; style filiform, glabrous; stigma 2-lobed, the lobes filiform, included in short-styled forms, often exserted in equal-styled forms, exserted in long-styled forms.
    Fruits
    Fruit capsular, campanulate or oblong, the beak only slightly raised, loculicidally dehiscent Seeds small, numerous, brown, angular.

    Images

    Distribution

    Native to:

    Angola, Benin, Botswana, Burundi, Cabinda, Cameroon, Cape Verde, Central African Repu, Chad, Congo, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Madagascar, Malawi, Mauritania, Mozambique, Namibia, Nigeria, Northern Provinces, Oman, Rwanda, Senegal, Sierra Leone, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Yemen, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Bahamas, Belize, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cuba, Florida, Leeward Is., Mexico Southeast, Mexico Southwest, Nicaragua, Seychelles, Texas

    Pentodon Hochst. appears in other Kew resources:

    First published in Flora 27: 552 (1844)

    Accepted by

    • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Flora of West Tropical Africa
    • —Bremek. in Verh. K. Nederl. Akad. Wetensch., Afd. Natuurk., sect. 2, 48: 175 (1952).
    Flora Zambesiaca
    • Bremek. in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 175 (1952).
    • in Flora 27: 551 (1844).
    Flora of Tropical East Africa
    • Bremek. in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 175 (1952)
    • in Flora 27: 551 (1844)

    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