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

[FTEA]

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

Morphology General Habit
Succulent annual from a taproot, forming a low hairy tussock; stems much branched above the base, ascending to 6 cm, not rooting at the nodes, internodes articulated, the lower short and stout, exceeded by nodal scales, the upper to 12 mm long, ± 0.5 mm thick.
Morphology Leaves
Leaves opposite, very fleshy, narrowly lanceolate, 3–7.5 mm long, 0.8–2 mm wide, subacute; nodal scales numerous in a conspicuous whorl, narrow, white or brownish, up to 1 cm long, ± 0.5 mm wide at the base, tapering into hair-like tips, true hairs few or absent.
Morphology Reproductive morphology Inflorescences
Flowers 1(–2), surrounded by 4 involucral leaves.
Morphology Reproductive morphology Flowers
Sepals ovate, 3–3.5 mm long; petals 4, yellow, ± 4 mm long; stamens 6–14; stigma 4-branched.
Morphology Reproductive morphology Fruits
Capsule dehiscing 1/3 up from the base, lid a broadly rounded dome 2–2.5 mm high, pale, glossy; seeds reniform, 0.6–0.7 mm long, grey, testa cells ± domed, with or without a central tubercle, the marginal walls strongly sinuate, indistinct.
Habitat
Among rocks, and in dry open places in deciduous bushland; 350–1850 m
Distribution
K1 K2 K3 K4 K6 K7 T1 T2

[FSOM]

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

Morphology General Habit
Tufted annual/short-lived perennial with central tap-root, forming a dense tussock, occasionally rooting from lower nodes
Morphology Stem
Stems to 10 cm long, ascending to erect, lower internodes shorter than nodal scales, upper to 12(–15) mm long, obscurely papillate
Morphology Leaves
Leaves opposite, ± lanceolate, 6–10 x 1.5–1.9 mm, very fleshy, tip subacute; nodes with whorl of whitish scales 3.5–9 mm long, mostly very narrow, occasionally to 0.9 mm wide, hairs few or absent
Morphology Reproductive morphology Flowers
Flowers mostly solitary, within an involucre of 4 leaf-like bracts
Morphology Reproductive morphology Flowers Calyx
Sepals ovate-triangular, 3.3–4.5 mm long, joined for c. 1 mm, tip ± hooded
Morphology Reproductive morphology Flowers Corolla
Petals 4, at least 4.5 mm long, bright yellow
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6–12
Morphology Reproductive morphology Flowers Gynoecium Style
Style c. 3 mm long, stigma lobes 4, c. 0.7 mm long
Morphology Reproductive morphology Fruits
Capsule ± spherical, splitting near base; lid 2–2.5 mm high, rounded
Morphology Reproductive morphology Seeds
Seeds 0.6–0.8 mm long, grey; testa cells ± flat with strongly sinuate margins and often with central peg-like tubercle.
Distribution
N1–3; Ethiopia, Kenya, N Tanzania
Ecology
Altitude range 380–1400 m.

Native to:

Ethiopia, Kenya, Somalia, Tanzania

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

Date Reference Identified As Barcode Type Status
Collenette, J.S. [9147], Saudi Arabia 57096.000

First published in Nordic J. Bot. 14: 308 (1994)

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 & S.M. Phillips in Kew Bulletin 55: 784, map 3 (2000).
  • M.G. Gilbert in Fl. Somalia 1: 125 (1993).
  • M.G. Gilbert in Nordic Journ. Bot. 14: 308 (1994)

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

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