795 research outputs found

    The genus <i>Isodon</i> (Schrad. ex Benth.) Spach in Africa and a new genus <i>Rabdosiella</i> Codd (Lamiaceae)

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    The typification of the genus Isodon (Schrad. ex Benth.) Spach and its occurrence in Africa are discussed; an allied genus Rabdosiella Codd is described and the combinations R. calycina (Benth.) Codd and R. ternifolia (D.Don) Codd (the latter an Indian species) are effected

    <i>Plectranthus</i> (Labiatae) and allied genera in Southern Africa

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    A revision is presented of the 40 species of Plectranthus, 1 species of Rabdosia and 3 species of Solenostemon which are indigenous, semi-naturalized or widely cultivated in Southern Africa. Descriptions, illustrations, keys and distribution data are provided. The following new names are published:  P. mutabilis Codd,  P. psammophilus Codd,  P. rubropunctatus Codd,  P. unguentarius Codd,  P. ornatus Codd (nom. nov. for Coleus comosus Hochst. ex Guerke), P. zatarhendi (Forsk.) E. A. Bruce var.  tomentosus (Benth.) Codd, —var.  woodii  (Guerke) Codd,  P. madagascariensis (Pers.) Benth. var.  aliciae  Codd,  Solenostemon scutellarioides (L.) Codd and  S. shirensis (Guerke) Codd

    Southern African species of <i>Mentha</i> L. (Lamiaceae)

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    The species of Mentha L. occurring in Southern Africa are reviewed and a key is provided to two indigenous and one naturalized species.  M. wissii Launert is reduced to M. longifolia (L.) Huds. subsp. wissii (Launert) Codd

    The South African species of <i>Hemizygia</i> (Lamiaceae)

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    The South African species of Hemizygia are reviewed and 28 species are recognized, including the following new names:  H. macrophylla (Guerke) Codd (=Syncolostemon macrophyllus Guerke),  H. pretoriae Guerke var. heterotricha Codd,  H. cinerea Codd,  H. incana Codd,  H. modesta Codd, H. parvifolia Codd, H. punctata Codd and  H. ramosa Codd

    Additional biographical notes on plant collectors in southern Africa

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    Biographical notes on plant collectors, supplementary to those already published in Botanical Exploration of  Southern Africa by Mary Gunn & L. E. Codd (1981). and including some collectors not previously recorded, are provided

    The genus Tetradenia Benth. (Lamiaceae). I. African species

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    The genus  Iboza N. E. Br. is placed as a synonym of Tetradenia Benth. and the following new combinations are made:  T. barberae (N.E. Br.) Codd,  T. brevispicata (N.E. Br.) Codd and  T. riparia (Hochst.) Codd

    A note on the <i>Stachys aethiopica</i> Complex

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    The  Stachys aethiopica Complex is examined and a key provided to the species recognized. The com­bination  S. natalensis Hochst. var. galpinii (Briq.) Codd is effected and two new species, S. reticulata Codd and S. arachnoidea Codd are described

    The genus <i>Syncolostemon</i> (Lamiaceae)

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    The genus  Syncolostemon E. Mey. ex Benth. is revised and its relationship with  Hemizygia (Benth.) Briq.f is discussed. A new species,  S. comptonii Codd is described and the following new combinations are made: S. parviflorus var. lanceolatus (Guerke) Codd  (= S . lanceolatus Guerke) and  S. latidens (N.E. Br.) Codd ( = Orthosiphon latidens N.E. Br.)
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