1. Family: Lamiaceae Martinov
    1. Alvesia Welw.

      1. This genus is accepted, and its native range is Central & E. Tropical Africa.

    [FTEA]

    Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Flora of Tropical East Africa. 2009

    Habit
    Shrubs or herbs, not aromatic.
    Stem
    Stems branched
    Leaves
    Leaves simple
    Inflorescences
    Inflorescence thyrsoid with sessile, 2–7-flowered cymes; bracts persistent, leaf-like but smaller, sometimes with a conspicuous abaxial gall or gland-like structure
    Calyx
    Calyx cylindrical or constricted at throat distally, becoming inflated, membranous, truncate at base, 2lipped, 3-lobed (1 posterior, 2 anterior), lobes unequal, posterior rounded, smaller than anterior, not decurrent; lateral lobes absent, anterior lobes large, rounded, throat closed by converging lobes; fruiting calyx inflated, shed as a unit
    Corolla
    Corolla white to purple, strongly 2-lipped, 5-lobed (4 posterior, 1 anterior); tube basally geniculate and dorsally spurred, parallel-sided distally, glabrous within but with a basal annulate ridge formed from the posterior staminal filament traces; posterior lip reflexed, 4-lobed with median lobes exceeding lateral lobes; anterior lip horizontal, cucullate
    Stamens
    Stamens 4, held within anterior corolla lip, attached to corolla at throat, fused or free for a very short distance at base; anthers dorsifixed, synthecous
    Disc
    Disk 4-lobed with anterior lobe larger
    Ovary
    Ovary deeply 4-lobed; style gynobasic bifid; lobes linear
    Fruits
    Nutlets ovoid, glabrous, slightly flattened, weakly mucilaginous

    Images

    Distribution

    Native to:

    Angola, Burundi, Congo, Tanzania, Zambia, Zaïre

    Alvesia Welw. appears in other Kew resources:

    First published in Trans. Linn. Soc. London 27: 55 (1869)

    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.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    Literature

    Flora of Tropical East Africa
    • Molec. Phylog. Evol. 31: 277–299 (2004)
    • Kubitzki, Fam. Gen. Vasc. Pl. 7: 267 (2004)
    • K.B. 26: 564–565 (1972)
    • Trans. Linn. Soc., Bot. 27: 55 (1869), nom. conserv.

    Sources

    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 2018. 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 2018. 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