1. Family: Portulacaceae Juss.
    1. Genus: Portulaca L.
      1. Portulaca wightiana Wall. ex Wight & Arn.

        This species is accepted, and its native range is S. Ethiopia to N. Tanzania, W. Zimbabwe to S. Africa, S. India, Sri Lanka.

    [FZ]

    Portulacaceae, H. Wild. Flora Zambesiaca 1:2. 1961

    Habit
    Perennial branching herb up to 10 cm. tall; roots rather swollen and parsniplike; stems often reddish, c. 2·5 mm. in diam.
    Leaves
    Leaves opposite, sessile, fleshy, up to 7 × 2 mm., lanceolate-acuminate, margins somewhat revolute, ± flattened on both sides; stipular hairs whitish, narrowing gradually from a dilated base up to 2 mm. wide to a hair-like apex, somewhat longer than both the leaves and the internodes.
    Flowers
    Flowers in terminal clusters of 3–4, sessile, surrounded by four apical leaves and numerous hairs scarcely dilated at the base and 4–7 mm. long.
    Calyx
    Sepals c. 4 × 3 mm., broadly ovate.
    Corolla
    Petals 4, yellow, almost free, c. 4 mm. long, subspathulate.
    Stamens
    Stamens 8, 4 mm. long.
    Pistil
    Ovary ovoid; style 4 mm. long with 3 stigma-lobes.
    Fruits
    Capsule c. 3 mm. long, ovoid-globose, surrounded by the marcescent corolla, dehiscing horizontally across the middle.
    Seeds
    Seeds numerous, c. 0–45 mm. in diam., dark brown, subreniform, somewhat laterally compressed, with concentric lines of minute tubercles.

    Images

    Distribution

    Native to:

    Ethiopia, India, Kenya, Namibia, Northern Provinces, Somalia, Sri Lanka, Tanzania, Zimbabwe

    Portulaca wightiana Wall. ex Wight & Arn. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 30, 2004 Wight in Herb. Wallich [6845], India K000075360 isotype
    Apr 30, 2004 s.n. [1166], India K000641660
    Apr 30, 2004 s.n. [120], India K000641661
    Gillett, J.B. [13061], Kenya 9021.000
    Rajagopal, T., India 32334.000
    s.coll. [Cat. no. 6845], India K001124970
    Dinter [3489], Namibia Portulaca collina K000313625

    First published in Prodr. Fl. Ind. Orient.: 356 (1834)

    Accepted by

    • Phillips, S.M. (2002). Flora of Tropical East Africa, Portulacaceae: 1-40.
    • 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.
    • Dassanayake (ed.) (1996). A Revised Handbook to the Flora of Ceylon 10: 1-426. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
    • Thulin, M. (ed.) (1993). Flora of Somalia 1: 1-493. The Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Phillips, S.M. (2002). Flora of Tropical East Africa, Portulacaceae: 1-40.
    • Thulin, M. (ed.) (1993). Flora of Somalia 1: 1-493. The Royal Botanic Gardens, Kew.
    • Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew.

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    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