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This species is accepted, and its native range is W. Tanzania.

[FTEA]

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

Habit
A slender, semi-prostrate, spreading herb.
Stem
Stems green becoming brown, puberulous, with long internodes 6–9 cm. apart.
Ocrea
Ocreae 0.8–1.1 cm. long, appressed when young, becoming more open with age, puberulous, truncate, with a terminal fringe of setae 4–4.25 mm. long, the leaf inserted in the upper half but often near the middle.
Leaves
Leaves petiolate, elliptic-lanceolate to ovate-elliptic, 5–5.5 × 1.5–2 cm., broadest at or a little below the middle, apically acuminate with a short terminal mucro, gradually narrowed and decurrent to the petiole, puberulous on the veins of both sides.
Petiole
Petioles 1–1.5 cm. long.
Inflorescences
Inflorescence slender, up to 30 cm. long.
Bracts
Bracts 4–5 mm. long, 1–5 cm. apart, truncate but produced dorsally into a seta 3–4 mm. long, with 1–2 pairs of shorter, lateral setae.
Pedicel
Pedicels glabrous or minutely puberulous, exceeding the bracts by 3–4 mm.
Flowers
Flowers 1–4 to each bract.
Tepal
Tepals 4–5 mm. long, linear-oblong to obovate.
Style
Styles yellow, 5 mm. long, connate for 2 mm. (only long styles seen).
Fruits
Fruit fusiform, glabrous or with scattered papillae, 7–8 mm. long and almost as wide, with three central spreading prickles 2 mm. long on the angles, with or without intermediate, smaller prickles on the faces, the angles also sometimes winged and in the lower half sometimes with 1–2 small teeth on the angles which may not project beyond the wing.
Figures
Fig. 6/6 and 7.
Habitat
Sandy littoral of the lake; 1050 m.
Distribution
not certainly recorded elsewhere T4

Native to:

Tanzania

Oxygonum ellipticum R.A.Graham appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bullock, A. A. [2333], Tanzania K000244048 holotype

First published in Kew Bull. 12: 156 (1957)

Accepted by

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

Literature

Kew Backbone Distributions

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

Flora of Tropical East Africa

  • R. Grah. in Kew Bulletin 1957: 156 (1957).

Flora of Tropical East Africa
Flora of Tropical East Africa
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.

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