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This species is accepted, and its native range is S. Ethiopia to Tanzania.
A specimen from Kew's Herbarium

[FTEA]

Geraniaceae, J. O. Kokwaro (University College Nairobi). Flora of Tropical East Africa. 1971

Morphology General Habit
Perennial decumbent herb up to 6 dm. long, generally with a thick rootstock; stems profusely branched from the rootstock and frequently forming a spreading mat, woolly with long as well as short hairs (long hairs sometimes glandular, filled with honey-like juice which gives a creamish pubescence to the whole plant); internodes (0.5–)2–10(–15) cm. long.
Morphology Leaves
Leaves mostly opposite, sometimes alternate especially the lower ones, or occasionally in apparent whorls in short-stemmed plants; lamina usually hastate in outline, 1.5–5.5 cm. long, 0.7–2.7 cm. wide, acuminate at the apex, margins dentate or double-serrate to almost entire at the broadly hastate base (the whole margin ciliate under magnification), hispid on the upper surface to tomentose on the lower surface particularly along the veins; petiole 1–7 cm. long, pubescent; stipules acicular, 5–18 mm. long, hairy.
Morphology Reproductive morphology Inflorescences
Inflorescence of 1–5 flowers; peduncle (3–)6–18 cm. long, leaf-opposed or in the axil of the smaller of the 2 apparently opposite leaves, hispid or pubescent; pedicels 5–20 mm. long, pubescent.
Morphology Reproductive morphology Flowers Calyx
Sepals spathulate to oblong and with an acicular 2–4.5 mm. long apical appendage, 10–18 mm. long, 3.5–7 mm. wide, hispid on the outer surface, glabrous inside, ciliate along the margins.
Morphology Reproductive morphology Flowers Corolla
Petals obovate to broadly oblanceolate, 15–25 mm. long, 7–11 mm. wide, mucronate to obtuse, bright yellow to cream-lemon (sometimes white).
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens:filaments 9–12 mm. long, pubescent; anthers 1.6–2 mm. long, 0.6–0.8 mm. wide, yellow.
Morphology Reproductive morphology Flowers Nectaries
Extrastaminal glands rather inconspicuous.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary tomentose; stigmas clavate, 1.5–2.5 mm. long.
Morphology Reproductive morphology Fruits
Fruit 6–9.2 cm. long; mericarps 10–13 mm. long, 1.8–2.3 mm. wide, pubescent.
Morphology Reproductive morphology Seeds
Seeds 4–5.5 mm. long, 1.8–2.5 mm. wide (usually widest at the apex); testa minutely reticulate, pale brown or pinkish-brown.
Habitat
In grassland and bushland, in semi-seasonal swamps and along river banks, on sandy (mostly lateritic) loam; 750–2500 m.
Distribution
K1 K3 K4 K6 T1 T2 T7

Native to:

Ethiopia, Kenya, Tanzania

Monsonia longipes R.Knuth appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 16, 1978 Kassner [538], Kenya K000417169 Unknown type material

First published in Bot. Jahrb. Syst. 40: 66 (1907)

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.
  • Kokwaro, J.O. (1971). Flora of Tropical East Africa, Geraniaceae: 1-23.

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

  • A.J. Jex-Blake, Some Wild Flowers of Kenya p. 22 (1948).
  • Cufod., Enumeratio Plantarum Aethiopiae Spermatophyta (Supplement in Bull. Jard. Bot. Brux.) p. 348 (1956).
  • Knuth in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 40: 66 (1907)
  • Knuth in A. Engler, Das Pflanzenreich IV. 129: 294, fig. 38/B (1912).

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