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This species is accepted, and its native range is S. Somalia to N. Kenya.
A specimen from Kew's Herbarium

[FTEA]

Portulacaceae, Sylvia M. Phillips. Flora of Tropical East Africa. 2002

Morphology General Habit
Perennial shrublet to 20 cm high, eventually broader than high; stems much-branched, old stems and main roots with exfoliating papery brown bark, basal stem up to 1 cm or more thick, young shoots minutely but densely papillose.
Morphology Leaves
Leaves alternate, linear, 16–24 mm long, 2 mm wide, succulent with midrib impressed above, papillose, obtuse to subacute; axillary hairs ± 2 mm long, forming a dense white woolly tuft, tufts conspicuous on the older stems after leaf-fall.
Morphology Reproductive morphology Inflorescences
Flowers in clusters of up to 5, encircled by 5–8 involucral leaves enclosing white woolly hairs; open only at midday.
Morphology Reproductive morphology Flowers
Sepals ovate, 5–6.5 mm long, thin, acute; petals 5, salmon-pink, orange and pink or deep pink, obovate, 8–12 mm long, rounded; stamens 15–30; style bent sideways, stigma 4–5-branched.
Morphology Reproductive morphology Fruits
Capsule 3.5 mm high, dehiscing in the lower third, base shallow, lid a conical dome; seeds 0.6 mm long, dark brown, testa cells with deeply sinuate margins, domed to conical, sometimes with a central tubercle.
Figures
Fig. 2 (p. 20).
Habitat
Rock crevices, and rocky and gravelly slopes in Acacia-Commiphora bushland; 700–1500 m
Distribution
K1

[FSOM]

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

Morphology General Habit
Perennial shrublet to 20 cm high, eventually broader than high
Morphology Roots
Major roots and base of stem with peeling pale brown bark
Morphology Stem
Stems much branched, usually purplish brown, epidermis of youngest internodes with unicellular papillae, whitish when dried
Morphology Leaves
Leaves alternate, 16–24 x c. 2 mm, base attenuate into obscure petiole c. 1.5 mm long, tips subacute; axils with dense tuft of very fine white hairs up to 2.5 mm long, persisting long after leaf-fall
Morphology Reproductive morphology Inflorescences
Inflorescence with involucre of 5–8 leaf-like bracts
Morphology Reproductive morphology Flowers Calyx
Sepals ovate-triangular, 5–6.5 mm long, tip ± acute
Morphology Reproductive morphology Flowers Corolla
Petals 5, obovate, tip rounded, 8–12 mm long, pale orange, orange-red, coral or deep pink
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 15–30
Morphology Reproductive morphology Flowers Gynoecium Style
Style bent sideways; stigma apparently 5-lobed
Morphology Reproductive morphology Fruits
Capsule c. 2.5 mm diam.; calyptra 2.5 mm high
Morphology Reproductive morphology Seeds
Seeds 0.6 mm long, dark brown; testa cells with deeply sinuate margins, gently domed to ± conical, sometimes with a central tubercle.
Distribution
S1; N Kenya
Ecology
Altitude c. 300 m.

Native to:

Kenya, Somalia

Portulaca decorticans M.G.Gilbert appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1991 Newboald. [3258], Kenya K000313632 holotype

First published in Kew Bull. 47: 693 (1992)

Accepted by

  • 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

  • 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 of Tropical East Africa

  • M.G. Gilbert in Fl. Somalia 1: 125 (1993).
  • M.G. Gilbert in Kew Bulletin 47: 693, fig. 1 (1992)

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

Flora of Tropical East Africa
Flora of Tropical East Africa
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