Skip to main content
  1. Family: Lamiaceae Martinov
    1. Achyrospermum Blume

      1. This genus is accepted, and its native range is Tropical Africa to Malesia.

    [LKGF]

    Nina Davies, Gemma Bramley & Don Kirkup, Royal Botanic Gardens, Kew

    Leaves
    Toothed, petiolate
    Bracts
    Distinct from and much smaller than the leaves, mostly broadly ovate to oblate, often caducous
    Fruiting calyx
    5-lobed, lobes subequal or unequal (3/2)
    Corolla
    Weakly 2-lipped, 4-lobed (1/3), reddish to purple to white or sometimes red, posterior lip short, emarginate, scarcely hooded
    Stamens
    Not or shortly exserted, thecae confluent
    Habit
    Woody herbs or shrubs, often scandent, with simple hairs
    Stigma
    Stigma-lobes equal or slightly unequal
    Fruits
    Nutlets with scales in apical half, mostly with sessile glands. 2n = 28, 84, 88
    Distribution
    Up to about 25 spp., tropical Africa, Madagascar, Mascarenes, Seychelles, Comores, from Nepal and NE India to S China and Thailand, Indonesia and the Philippines
    Inflorescences
    Terminal and/or axillary, thyrsoid, dense
    [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. Achyrospermum, R.M. Polhill. Flora of Tropical East Africa. 2009

    Habit
    Woody herbs or shrubs, sometimes scandent, with an indumentum of simple hairs and often some small sessile glands particularly evident on the corolla
    Stem
    Stems rounded to subquadrangular
    Leaves
    Leaves opposite, petiolate, toothed
    Inflorescences
    Inflorescences terminal and/or axillary, thyrsoid, dense; bracts distinct from and much smaller than leaves, oblanceolate to broadly elliptic or oblate, subtending 3–8 flowers; bracteoles smaller or not evident
    Calyx
    Calyx 5-lobed; lobes subequal or the anterior 2 set lower and a little smaller
    Corolla
    Corolla 2-lipped, 4-lobed, white to purple or pink to red; posterior lip short, emarginate, scarcely hooded; anterior lip with a jaw-like anterior lobe and 2 small rounded-triangular lateral lobes, usually pubescent
    Stamens
    Stamens 4, rather shortly exserted, the posterior pair a little shorter; thecae confluent
    Ovary
    Ovary deeply 4-lobed; style gynobasic, bifid, branches equal
    Fruits
    Nutlets with scales on upper half, sometimes with sessile glands.

    Images

    Distribution

    Native to:

    Angola, Assam, Bangladesh, Burundi, Cabinda, Cameroon, Central African Repu, Congo, East Himalaya, Eritrea, Ethiopia, Gabon, Ghana, Guinea, Gulf of Guinea Is., Hainan, Ivory Coast, Jawa, Kenya, Lesser Sunda Is., Liberia, Madagascar, Malawi, Mozambique, Myanmar, Nepal, Nigeria, Philippines, Rwanda, Seychelles, Sierra Leone, Sudan, Sumatera, Tanzania, Thailand, Tibet, Uganda, Zambia, Zaïre, Zimbabwe

    Accepted Species

    Synonyms

    Other Data

    Achyrospermum Blume appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2008 Zapfack, L. [898], Cameroon K000437055
    Nigeria 2726.000

    Bibliography

    First published in Bijdr. Fl. Ned. Ind.: 840 (1826)

    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 West Tropical Africa

    • E. A. Bruce in Kew Bull. 1936: 47.
    • Perkins in Notizbl. Bot. Gart. Berl. 8: 78 (1921)
    • —F.T.A. 5: 463

    Flora of Tropical East Africa

    • Fam. Gen. Vasc. Pl. 7: 216 (2004)
    • Kubitzki, Fam. Gen. Vasc. Pl. 7: 216 (2004)
    • K.B. 1936: 47–60 (1936)
    • Bijdr.: 840 (1826)

    Lamiaceae Key Genus Fact Sheets

    • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
    • Bruce, Bull. Misc. Inform. 1936: 47-60 (1936).
    • Lamprostachys Bojer ex Benth. in A.P.de Candolle, Prodr. 12: 457 (1848).
    • Siphotoxis Bojer ex Benth. in A.P.de Candolle, Prodr. 12: 457 (1848).
    • Achyrospermum Blume, Bijdr.: 840 (1826)

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    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.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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

    Lamiaceae Key Genus Fact Sheets
    Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
    http://creativecommons.org/licenses/by/3.0