Genus:
Rumex L.

Rumex rhodesius Rech.f.

This species is accepted, and its native range is Zimbabwe to S. Africa.

[FZ]

Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

Type
Type:Zimbabwe, Harare (Salisbury), Eyles 1654 (BM, holotype; PRE; SRGH).
Morphology General Habit
An erect or ascending perennial herb up to 1 m or more tall An erect or ascending perennial herb up to 1 m or more tall.
Morphology Stem
Stems green to greenish-brown, hollow, longitudinally striate, glabrous, producing leafy axillary shoots which develop secondary inflorescences Stems green to greenish-brown, hollow, longitudinally striate, glabrous, producing leafy axillary shoots which develop secondary inflorescences.
Morphology Leaves
Leaves green or greenish-brown; lamina 20–30 × 5–7 cm, narrowly oblong-lanceolate, acute or obtuse at the apex, cuneate to attenuate at the base, entire or crisped on the margin, glabrous or with scattered papillae beneath; petiole up to 10 cm long, much shorter in upper stem leaves Leaves green or greenish-brown; lamina 20–30 × 5–7 cm, narrowly oblong-lanceolate, acute or obtuse at the apex, cuneate to attenuate at the base, entire or crisped on the margin, glabrous or with scattered papillae beneath; petiole up to 10 cm long, much shorter in upper stem leaves.
Morphology Leaves Ocrea
Ocrea hyaline, 1–3 cm long, striate, entire, soon caducous Ocrea hyaline, 1–3 cm long, striate, entire, soon caducous.
Morphology Reproductive morphology Flowers
Flowers hermaphrodite, pedicellate, in many-flowered whorls arranged in terminal racemose panicles; pedicels articulated above the middle, up to 8 mm long in fruit Flowers hermaphrodite, pedicellate, in many-flowered whorls arranged in terminal racemose panicles; pedicels articulated above the middle, up to 8 mm long in fruit.
Morphology Reproductive morphology Flowers Perianth
Outer perianth segments greenish-brown, 2 mm long, oblong-lanceolate; inner perianth segments reddish-brown, 3–4 × 2–2.5 mm, ± triangular, obtuse or acute at the apex, cuneate to rounded or more rarely subtruncate at the base, ± denticulate on the margin, with short irregular teeth below the middle, with ± well developed dorsal tubercles near the base Outer perianth segments greenish-brown, 2 mm long, oblong-lanceolate; inner perianth segments reddish-brown, 3–4 × 2–2.5 mm, ± triangular, obtuse or acute at the apex, cuneate to rounded or more rarely subtruncate at the base, ± denticulate on the margin, with short irregular teeth below the middle, with ± well developed dorsal tubercles near the base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 6; filaments filiform; anthers ellipsoid Stamens 6; filaments filiform; anthers ellipsoid.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1.5 × 1 mm, trigonous Ovary 1.5 × 1 mm, trigonous.
Morphology Reproductive morphology Fruits
Nut pale brown, shiny, 2.5 × 1.5 mm, trigonous. Nut pale brown, shiny, 2.5 × 1.5 mm, trigonous.
Ecology
In open woodland, on river banks and wet places, and at the edge of irrigation furrows; 1480–1650 m.
Distribution
Also in South Africa (North-West Province, Gauteng and KwaZulu-Natal). ZIM N, ZIM W, ZIM C, ZIM E Zimbabwe

Native to:

Cape Provinces, KwaZulu-Natal, Northern Provinces, Zimbabwe

Rumex rhodesius Rech.f. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jan 1, 1947 Eyles, F. [591], Zimbabwe K000244118 paratype Yes

First published in Candollea 11: 230 (1948)

Accepted by

  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.

Literature

Flora Zambesiaca

  • Bot. Not. Suppl., vol. 3, 3: 69 (1954). TAB. 10, fig. B.
  • Candollea 11: 230 (1948)

Kew Backbone Distributions

  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.

  • Flora Zambesiaca

    Flora Zambesiaca
    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 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