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This species is accepted, and its native range is S. Ethiopia to N. Tanzania, W. Zimbabwe to S. Africa, S. India, Sri Lanka.
A specimen from Kew's Herbarium

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Short-lived perennial forming small clumps, branching mainly above base
Morphology Stem
Stems ± woody at base, with dark bark, to 10 cm long, usually less, to 4 mm thick, occasionally rooting adventitiously from lowermost nodes; internodes shorter than nodal scales at least at base of stem, upper internodes sometimes longer
Morphology Leaves
Involucral leaves 4, similar to stem leaves Leaves opposite, ovate-lanceolate, very fleshy, 3–4(–8) mm long, nodal scales uniformly lanceolate, 3.5–8 mm long, tip acuminate, often hair-like, often very pale brown when young but soon becoming silvery white, often hiding leaves and internodes
Morphology Reproductive morphology Flowers
Flowers usually solitary, sessile
Morphology Reproductive morphology Flowers Calyx
Sepals 2.5–4 x 1.5–2.7 mm, tip hooded
Morphology Reproductive morphology Flowers Corolla
Petals 4, yellow, to 5.5 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4–8(–12)
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma 4-lobed
Morphology Reproductive morphology Fruits
Capsule subglobose, splitting very near base; operculum rounded, 1.5–2 mm diam., pale straw coloured, thin but ± opaque
Morphology Reproductive morphology Seeds
Seeds 0.45–0.55 mm long, light brown with slight iridescent sheen; testa cells mostly with distinct central papilla, rarely ± uniformly domed, margins not discernable.
Distribution
N1; C2; S1; Ethiopia, Kenya, N Tanzania, S India, Sri Lanka
Ecology
Altitude range 320–1240 m.
Note
The nodal scales sometimes completely conceal the leaves and stems as in Anacampseros sect. Avonia.

[FZ]

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

Morphology General Habit
Perennial branching herb up to 10 cm. tall; roots rather swollen and parsniplike; stems often reddish, c. 2·5 mm. in diam.
Morphology 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.
Morphology Reproductive morphology 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.
Morphology Reproductive morphology Flowers Calyx
Sepals c. 4 × 3 mm., broadly ovate.
Morphology Reproductive morphology Flowers Corolla
Petals 4, yellow, almost free, c. 4 mm. long, subspathulate.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 8, 4 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary ovoid; style 4 mm. long with 3 stigma-lobes.
Morphology Reproductive morphology Fruits
Capsule c. 3 mm. long, ovoid-globose, surrounded by the marcescent corolla, dehiscing horizontally across the middle.
Morphology Reproductive morphology Seeds
Seeds numerous, c. 0–45 mm. in diam., dark brown, subreniform, somewhat laterally compressed, with concentric lines of minute tubercles.

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
Rajagopal, T., India 32334.000
Gillett, J.B. [13061], Kenya 9021.000
s.coll. [Cat. no. 6845], India K001124970
Dinter [3489], Namibia Portulaca collina K000313625

First published in Prodr. Fl. Ind. Orient. 1: 356 (1834)

Accepted by

  • Dassanayake (ed.) (1996). A Revised Handbook to the Flora of Ceylon 10: 1-426. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • 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.
  • 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.

Literature

Kew Backbone Distributions

  • Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew.
  • 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.

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by M. G. Gilbert [updated by M. Thulin 2008]

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
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 2021. 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 2021. 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