1. Family: Scrophulariaceae Juss.
    1. Peliostomum E.Mey. ex Benth.

      1. This genus is accepted, and is native to Africa..

    [KBu]

    Kolberg H., van Salgeren M. 2016. A synopsis of Aptosimum and Peliostomum (Scrophulariaceae) in Namibia, including the description of a new species, Aptosimum radiatum, and keys to all accepted species. Kew Bulletin 71:16. DOI 10.1007/S12225-016-9628-7

    Type
    Type: Peliostomum virgatum E. Mey. ex Benth., here designated — see Notes.
    Habit
    Perennial, low shrubs
    Stem
    Stems slender, usually erect, longitudinally striated, glabrous to subglabrous, sometimes viscid, woody at base, sometimes dying-back to base; bark corky at transition to root
    Leaves
    Leaves alternate, crowded or scattered, linear, elongate, elliptical, ovate or obovate, sessile to shortly petiolate, entire, 1-veined, subglabrous, densely or sparsely papillose, finely glandular-tomentose to viscid
    Flowers
    Flowers solitary in leaf axils, very shortly pedicellate with 2 small bracteoles at base, dark blue to violet
    Calyx
    Calyx divided almost to base, 5-lobed, more or less valvate; lobes linear, narrow, acute
    Corolla
    Corolla tubular, weakly zygomorphic, 5-lobed, much longer than calyx; tube elongated, narrow below, widening into long throat, mouth wide; lobes about equal, free, rounded, spreading, shorter than tube, posterior pair outside in bud
    Stamens
    Stamens 4, didynamous, included, arising in lower part of corolla tube; filaments filiform, one pair longer than other; anthers of equal size, all fertile, dorsifixed, usually ciliate-hispid, rarely glabrous; thecae confluent, dehiscing along a single transverse line
    Ovary
    Ovary bilocular, narrowly ovoid; ovules many; style filiform, exceeding stamens; stigma small entire, emarginate or very slightly bilobed
    Fruits
    Capsule thin-walled, longer than calyx, narrowly elongate-ovoid, acute, acuminate or obtusely pointed, somewhat compressed at right angles to septum, bisulcate over septum, septicidally bivalved, opening more or less to base; valves deeply bilobed
    Seeds
    Seeds numerous, rugose or scrobiculate-tuberculate, cream-coloured to brownish.
    Note
    No type had thus far been assigned for Peliostomum (Farr & Zijlstra 2014). Bentham (1836) described the genus and five species, P. scoparium, P. leucorrhizum, P. viscosum, P. virgatum and P. origanoides, of which P. scoparium is now considered to belong to Anticharis. He attributed the names to E. Meyer and cited specimens collected by J. F. Drège in South Africa for all of the species. For P. virgatum, he also cited a specimen collected by C. F. Ecklon. P. virgatum is here designated as the type because it is the most recognisable and least variable species of those described by Bentham in 1836.

    Images

    Distribution

    Native to:

    Botswana, Cape Provinces, Free State, KwaZulu-Natal, Namibia, Northern Provinces, Swaziland

    Peliostomum E.Mey. ex Benth. appears in other Kew resources:

    First published in Edwards's Bot. Reg. 22: t. 1882 (1836)

    Accepted by

    • Kolberg, H. & van Slageren, M. (2016). A synopsis of Aptosimum and Peliostomum (Scrophulariaceae) in Namibia, including the description of a new species, Aptosimum radiatum, and keys to all accepted species Kew Bulletin 71(16): 1-50. Royal Botanic Gardens, Kew.

    Literature

    Kew Bulletin
    • Smithies 2000: 528.
    • Merxmüller & Roessler (1967: 37)
    • Weber 1907: 80
    • Hemsley & Skan (1906: 274)
    • Hiern (1904: 132)
    • Bentham 1846: 346
    • (Bentham 1836: sub t. 1882

    Sources

    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 Bulletin
    Kew Bulletin
    http://creativecommons.org/licenses/by-nc-sa/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