1. Family: Lamiaceae Martinov
    1. Dicrastylis Drumm. ex Harv.

      1. This genus is accepted, and its native range is Australia.

    [LKGF]

    Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

    Habit
    Shrubs or subshrubs
    Branches
    Branches ± round in cross-section
    Indumentum
    Indumentum densely lanate with hairs branched
    Leaves
    Leaves sessile or petiolate, decussate or whorled, sometimes almost alternate
    Inflorescences
    Inflorescence terminal, cymose, with part-inflorescences pedunculate or sessile, pyramidal or spike-like panicles, or the cymes sessile, congested to form decussate or whorled clusters, usually many-flowered
    Bracteoles
    Bracteoles 2
    Flowers
    Flowers ± actinomorphic, sessile or pedicellate
    Calyx
    Calyx 5-lobed
    Corolla
    Corolla white, pale mauve, purplish blue, mostly 5-lobed in distal half, with lobes equal, tube expanded in throat
    Stamens
    Stamens mostly 5, inserted in corolla-tube, exserted or scarcely so
    Anthers
    Anthers dorsifixed, free and divergent in lower half
    Ovary
    Ovary ± unlobed
    Style
    Style with stigma-lobes well-developed
    Fruits
    Fruit dry, globose, indehiscent, 1- or 2-seeded.
    Distribution
    About 26 species, all endemic to Australia.
    [LKGF]

    Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

    Habit
    Shrubs
    Branches
    Branches ± round in cross-section
    Indumentum
    Indumentum densely lanate with hairs branched
    Leaves
    Leaves sessile, decussate
    Inflorescences
    Inflorescence terminal, thyrsoid, subglobose and capitate or both capitate and spike-like (elongate), solitary or in corymbose panicles, with part-inflorescences shortly pedunculate or sessile, congested to form decussate clusters, many-flowered
    Bracteoles
    Bracteoles 2
    Flowers
    Flowers ± actinomorphic, subsessile
    Calyx
    Calyx deeply 4-lobed, densely hairy on outer surface
    Corolla
    Corolla white, 4-lobed in distal half, lobes almost equal, tube cylindrical
    Stamens
    Stamens 4, inserted in corolla-tube, scarcely exserted, anthers dorsifixed, free and divergent in lower half
    Ovary
    Ovary ± unlobed
    Style
    Style with stigma-lobes short
    Fruits
    Fruit dry, ± globose, indehiscent, usually 1-seeded.
    Distribution
    Two species, endemic to Australia.

    Images

    Distribution

    Native to:

    New South Wales, Northern Territory, Queensland, South Australia, Western Australia

    Dicrastylis Drumm. ex Harv. appears in other Kew resources:

    First published in Hooker's J. Bot. Kew Gard. Misc. 7: 56 (1855)

    Accepted by

    • Conn, B.J., Henwood , M.J. & Streiber, N. (2011). Synopsis of the tribe Chloantheae and new nomenclatural combinations in Pityrodia s.lat. (Lamiaceae) Australian Systematic Botany 24: 1-9.
    • Rye, B.L. (2007). A review of the sectional classification of Dicrastylis (Lamiaceae: Chloantheae) and four new arid-zone species from Western Australia Nuytsia 17: 289-324.
    • 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

    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
    • J. Adelaide Bot. Gard. 14: 85-92(1991).
    • Munir, J. Adelaide Bot. Gard. 1: 407-689 (1991)
    • Dicrastylis J.Drumm. ex Harv., Hook. J. Bot. Kew Misc. 7: 56 (1855)
    • Lachnocephalus Turcz., Bull. Soc. Imp. Naturalistes Moscou 22(2): 36 (1849).
    • Mallophora Endl., Stirp. Herb. Hügel.: 18 (1838).

    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 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

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