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  1. Family: Acanthaceae Juss.
    1. Mellera S.Moore

      1. This genus is accepted, and its native range is Ethiopia to S. Tropical Africa, Madagascar.

    [FTEA]

    Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

    Habit
    Strongly aromatic (unpleasantly or not depending on taste) perennial or shrubby herbs or shrubs; cystoliths usually conspicuous; stems quadrangular
    Leaves
    Leaves opposite
    Flowers
    Flowers pedicellate, solitary or in few- to many-flowered dichasia aggregated into terminal spiciform racemes or in contracted to open panicles; bracts leafy, gradually smaller towards apex of inflorescence; bracteoles conspicuous
    Calyx
    Calyx 5-lobed, divided almost to base or basal part fused; lobes linear to narrowly oblong or spathulate, subequal or dorsal wider and longer, two ventral sometimes fused slightly higher up. Corolla contorted in bud; sparsely puberulent outside, mainly on veins; basal part of tube cylindric widening into a clearly defined strongly pleated throat; limb distinctly 2-lipped, middle lobe in lower lip horizontal or deflexed, with usually numerous long stiff reflexed hairs, lobes in upper lip flat
    Stamens
    Stamens 4, inserted dorsally in throat and held under upper lip, slightly didynamous; filaments fused with tube and running like ridges to base of tube, free part of filaments of each pair fused at base; anthers 2-thecous, thecae oblong or ellipsoid, straight, of different length, rounded at apex, all thecae with long spurs or apiculate at base, or only one of the locules (longer) spurred and the other rounded
    Ovary
    Ovary with (2–)4–6 ovules per locule.
    Style
    Style hairy throughout or glabrous near apex, with one (ventral) linear stigma-lobe, the dorsal reduced (rarely with subequal lobes)
    Fruits
    Capsule with more than 4 seeds (rarely 2-seeded), ellipsoid (rarely ovoid-ellipsoid), thin-walled (rarely woody), glossy, valves sulcate dorsally; retinaculae strong, hooked
    Seeds
    Seed discoid, faces glabrous or with hairs, edges with dense long hygroscopic hairs.
    Distribution
    Range: 7 species in Central, Eastern and Southern Tropical Africa.

    Images

    Distribution

    Native to:

    Burundi, Central African Repu, Ethiopia, Madagascar, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

    Accepted Species

    Synonyms

    Other Data

    Mellera S.Moore appears in other Kew resources:

    Bibliography

    First published in J. Bot. 17: 225 (1879)

    Literature

    Flora of Tropical East Africa

    • F.T.A. 5: 50 (1899)
    • E. & P. Pf. IV, 3b: 297 (1895)
    • J.B. 32: 133 (1894)
    • J.B. 17: 225 (1879)

    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 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