Genus:
Polygonum L.

Polygonum afromontanum Greenway

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

[FTEA]

Polygonaceae, R. A. Graham. Flora of Tropical East Africa. 1958

Morphology General Habit
A low shrub with prostrate and climbing branches up to 1 m. long.
Morphology Stem
Stems red-brown above, brown and woody below, minutely puberulent.
Morphology Leaves Ocrea
Ocreae strongly nerved, brown, membranous, readily tearing, ± 1 cm. long.
Morphology Leaves
Leaves small, nearly sessile, glabrous, all of ± similar size, rather leathery, 1–4 cm. × 5–10 mm., ovate-elliptic, ± evenly narrowed to each end; apically acute (or obtuse when immature) with a sharp apical mucro; margins revolute.
Morphology Reproductive morphology Inflorescences
Inflorescence a leafy raceme; the flowers all axillary, 3–5 in each cluster, yellow-green or whitish, becoming brownish-purple.
Morphology Reproductive morphology Flowers Pedicel
Pedicels ± 1 mm. long.
Morphology Reproductive morphology Flowers Tepal
Tepals 2.5–2.75 mm. long, ovate, very obtuse; free for ¾ the length of the perianth.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6–8, dilated below.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Styles 3, free to the base; stigmas capitate.
Morphology Reproductive morphology Fruits
Nut trigonous, brown, smooth and shining; at least two faces very concave.
Figures
Fig. 3/5, p. 15.
Habitat
Upland moor, upland bushland and at edges of rain-forest; 2100–3150 m.
Distribution
known only from the above-mentioned localities K3 K4 T2

Native to:

Ethiopia, Kenya, Tanzania

Polygonum afromontanum Greenway appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Nov 3, 1986 Townsend, C.C. [2316], Kenya K000333461 No
Nov 23, 1955 Fries, R.E. [1271], Kenya K000244008 isotype No
Nov 23, 1955 Bally, J. [3246], Kenya K000333458 No
Nov 23, 1955 Rob, E. [946], Kenya K000333459 No
Nov 23, 1955 Heller, E. [s.n.], Kenya K000333460 No
Jan 1, 1953 Hedberg, O. [1997], Kenya K000333457 No
Jan 1, 1953 Hedberg, O. [1494], Kenya K000333456 No
Gillett, J.B. [19115], Kenya K000333449 No
Coe, M. [799], Kenya K000333453 No
s.coll. [9176], Kenya K000333451 No
Mwangangi, O.M. [564], Kenya K000333450 No
Verdcourt, B. [2006], Kenya K000333455 No
Hedberg, O. [4263], Kenya K000333452 No

First published in Kew Bull. 7: 355 (1952)

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.
  • Graham, R.A. (1958). Flora of Tropical East Africa, Polygonaceae: 1-40.

Literature

Kew Backbone Distributions

  • 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.

Flora of Tropical East Africa

  • Greenway in Kew Bulletin 1952: 355 (1952).

  • 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 2022. 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 2022. 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