1. Family: Amaranthaceae Juss.
    1. Genus: Amaranthus L.
      1. Amaranthus sparganicephalus Thell.

        This species is accepted, and its native range is NE. Tropical Africa to N. Tanzania, Arabian. Peninsula.

    [FTEA]

    Amaranthaceae, C.C. Townsend. Flora of Tropical East Africa. 1985

    Habit
    Annual herb, erect or with decumbent lower branches, 7–60 cm.
    Stem
    Stem generally rather stout, simple or branched below the middle, yellowish, sulcate-angular, glabrous below and with rather long ± flexuous multicellular hairs especially in the flowering region, or glabrous throughout.
    Leaves
    Leaves glabrous or with scattered short hairs on the lower surface of the veins near the base, long-petiolate (petioles 0.5–5 cm. long, sometimes exceeding the lamina); lamina broadly ovate to elliptic-oblong, 1.2–4 × 0.6–3 cm., cuneate to shortly attenuate at the base, obtuse to broadly retuse at the apex.
    Flowers
    Flowers in compact spherical sessile axillary clusters to ± 1 cm. in diameter, scattered thickly along the stem and branches; ♂ and ♀ flowers intermixed.
    Bracts
    Bracts and bracteoles similar, small, oblong with a green midrib which is at most minutely percurrent; bracteoles shorter than the perianth.
    Perianth
    Perianth-segments 3, 1–1.25 mm.; ♂ elliptic-oblong and usually apiculate, ♀ oblong and obtuse; both with a central green vitta ceasing below the apex.
    Stigma
    Stigmas 2, short and rigid.
    Fruits
    Fruiting heads ± 8 mm. in diameter, rigidly stellate with the divergent capsules. Capsule 2.75–3.25 mm., rather woody, dehiscent, the persistent base conical and longitudinally sulcate, the lid subconical, also sulcate below but smooth at and below the style-base, point of junction of lid and base ± cristate-crenulate.
    Seeds
    Seeds ellipsoid, 1.25–1.5 mm., slightly compressed, black, shining, very feebly reticulate.
    Figures
    Fig. 6.
    Habitat
    Dried-up river bed, old manyatta sites, lava boulder hillside; 150–1200 m.
    Distribution
    K1 K2 K6 K7 T2

    Distribution

    Native to:

    Djibouti, Eritrea, Ethiopia, Kenya, Oman, Saudi Arabia, Socotra, Somalia, Sudan, Tanzania, Yemen

    Amaranthus sparganicephalus Thell. appears in other Kew resources:

    First published in P.F.A.Ascherson & K.O.R.Graebner, Syn. Mitteleur. Fl. 5: 312 (1914)

    Accepted by

    • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
    • Miller, A.G. & Morris, M. (2004). Ethnoflora of Soqotra Archipelago: 1-759. The Royal Botanic Garden, Edinburgh.
    • Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Collenette, S. (1999). Wildflowers of Saudi Arabia: 1-799. National commission for wildlife conservation and development (NCWCD), Kingdom of Saudi Arabia.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.
    • Audru, J., Cesar, J. & Lebrun, J.-P. (1994). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 1: 1-336. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
    • Thulin, M. (ed.) (1993). Flora of Somalia 1: 1-493. The Royal Botanic Gardens, Kew.
    • Townsend, C.C. (1985). Flora of Tropical East Africa, Amaranthaceae: 1-136.

    Literature

    Kew Backbone Distributions
    • Audru, J., Cesar, J. & Lebrun, J.-P. (1994). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 1: 1-336. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
    • Thulin, M. (ed.) (1993). Flora of Somalia 1: 1-493. The Royal Botanic Gardens, Kew.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.
    Flora of Tropical East Africa
    • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 133 (1974).
    • Verdc. in Kew Bulletin 21: 252 (1967).
    • Cufod., Enumeratio Plantarum Aethiopiae Spermatophyta (Supplement in Bull. Jard. Bot. Brux.) p. 59 (1953).
    • Thell. in Aschers. & Graebn., Syn. Mitteleurop. Fl. 5(1): 312(1914).

    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 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