1. Family: Crassulaceae J.St.-Hil.
    1. Genus: Crassula L.
      1. Crassula volkensii Engl.

        This species is accepted, and its native range is Somalia to N. Tanzania.

    [FTEA]

    Crassulaceae, G.E. Wickens. Flora of Tropical East Africa. 1987

    Habit
    A decumbent succulent ? annual or perennial herb; stems 4-angled when dry, glabrous or pubescent, little branched, rooting at the lower nodes.
    Leaves
    Leaves subsessile, narrowly elliptic or elliptic to obovate, oblong-ovate or spathulate, rarely broadly ovate, 0.5–3(–5) cm. long, 0.3–1.5 cm. wide, apex obtuse to subacute, base cuneate to long attenuate, margins sometimes very shallowly crenate, sometimes with numerous scattered reddish glands; petioles ± 1 mm. long, those of opposite leaves united and forming a shallow sheath around the stem.
    Inflorescences
    Inflorescence a rather condensed few-flowered terminal cyme or occasionally flowers solitary in the leaf-axils; pedicels slender, 2–15(–40) mm. long, glabrous or pubescent.
    Calyx
    Calyx-lobes linear-lanceolate, 3–3.5 mm. long, 0.5 mm. wide, shortly united at the base, glabrous or pubescent.
    Corolla
    Petals white or pink, oblong-lanceolate to oblong-obovate, 4–6 mm. long, 1.5–2 mm. wide, obtuse or acute and minutely hooded, glabrous or pubescent.
    Stamens
    Stamen-filaments 3–4 mm. long; anthers oblong, ± 0.4 mm. long.
    Nectaries
    Nectary scales trapeziform, widest at the apex, ± 0.5 mm. long, or obscure.
    Carpels
    Carpels oblong, 3.5 mm. long, glabrous; style 1 mm. long.
    Seeds
    Seeds 6–10 per carpel, broadly ellipsoid, ±0.3–0.4 mm. long, 0.2 mm. wide, tuberculate.

    Images

    Distribution

    Native to:

    Kenya, Somalia, Tanzania

    Crassula volkensii Engl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1977 Volkens, G. [328], Tanzania K000310067 isotype
    Kenya Crassula galunkensis 41759.000
    Bally, P.R.O. [11700] Crassula galunkensis 13850.000

    First published in Pflanzenw. Ost-Afrikas, C: 189 (1895)

    Accepted by

    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Wickens, G.E. (1987). Flora of Tropical East Africa, Crassulaceae: 1-66.

    Literature

    Flora of Tropical East Africa
    • Wickens & Bywater in Kew Bulletin 34: 635 (1980).
    • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 104 (1974).
    • Jacobsen, Lex. Succ. Pl.: 168 (1974).
    • Bally in Journ. E. Afr. Nat. Hist. Soc. 15:12 (1940).
    • Engl., Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(1): 283 (1915).
    • Engl., Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C:189 (July 1895)

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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