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This variety is accepted, and its native range is Ethiopia to S. Africa.

[FTEA]

Malvaceae, Bernard Verdcourt & Geoffrey Mwachala. Pavonia, B Verdcourt; Kosteletzkya, OJ Blanchard Jr.; Gossypium, P Fryxell & B Verdcourt. Flora of Tropical East Africa. 2009

Type
Type: CongoKinshasa, Lower Shaba, Kaniama, Mullenders 199 (BR!, holo.)
Morphology Reproductive morphology Fruits
Mericarps narrow with upper beak part without awns but splitting to form two ± parallel parts which scarcely project beyond the mericarp outline, often completely separating so that mericarp divides into thin halves and releases seed. Back and faces smooth or with very faint sculpture.
Ecology
Grassland, open woodland with Terminalia, Combretum, Julbernardia, Brachystegia etc., sometimes in swampy places; 650–2100 m
Note
Some specimens intermediate with var. riparia do have minute projecting awns and those wishing to use specific rank for the taxa I am treating as varieties should note this. Hauman had reservations about S. serratifolia being distinct.
Distribution
Flora districts: U ?1, U2 U3 U 4 ; K2 K3 K 4 ; T6 T7 T8 Range: Congo-Kinshasa, Ethiopia, Malawi, Mozambique, Zimbabwe, Swaziland, South Africa

[KBu]

Verdcourt, B. (2004). The Variation of Sida rhombifolia L. (Malvaceae) in East Africa. Kew Bulletin, 59(2), 233-239. doi:10.2307/4115855

Distribution
Congo (Kinshasa), Ethiopia, Uganda, Kenya, Tanzania, Mozambique, Malawi, Zimbabwe, Swaziland, South Africa.
Ecology
Grassland, open woodland with Terminalia, Combrelum, Julbernardia, Brachystegia etc., sometimes in swampy places; 690 - 2100 m.
Morphology Reproductive morphology Fruits
Mericarps narrow with upper beak part without awns but splitting to form two ± parallel parts which do not or scarcely project beyond the mericarp outline, often completely separating so that the mericarp divides into thin halves and releases seed. Back and faces smooth or with very faint sculpture.
Note
Some specimens intermediate with var. riparia do have minute projecting awns and those wishing to use specific rank for the taxa I am treating as varieties should note this. Hauman had reservations about the distinctness of S. serratifolia, and O. Leistner has noted on the type that he considered it only a form of S. rhombifolia L.
Type
Congo (Kinshasa), Lower Shaba, Kaniama, Mullenders 199 (holotype BR!).

[FZ]

Malvaceae, A. W. Exell. Flora Zambesiaca 1:2. 1961

Morphology General Habit
Suffrutex or shrub, 0·75–2·5 m. tall; stems erect, ± virgate, not much branched, often only in upper portion, the younger parts densely floccose-stellate-pubescent.
Morphology Leaves
Leaf-lamina 4–10 × 1·3–3·5 cm., narrowly lanceolate to rhombic-lanceolate, gradually attenuate into an acute or obtuse apex or somewhat acuminate, margin regularly and finely serrate, base cuneate, upper surface dark green often drying dull dark grey-brown, sparsely covered with stellate hairs to almost glabrous, the paler canescent lower surface shortly and densely stellate-tomentose to subvelutinous particularly on the prominent veins; petiole up to c. 12 mm. long, densely tomentose, sometimes floccose; stipules up to c. 12 mm. long, filiform, stellate-hairy.
Morphology Reproductive morphology Flowers
Flowers yellow or golden-yellow, sometimes with a reddish centre, solitary or fascicled, axillary mainly in upper leaf-axils and forming pseudo-racemes and terminal corymbs (sometimes a solitary flower and a corymbose inflorescence in the same axil); peduncle up to 1·5 cm. long; pedicels up to 3·5 cm. long, slender to filiform, articulated at or above the middle.
Morphology Reproductive morphology Flowers Calyx
Calyx 5–7 mm. long, cupuliform-campanulate, finely stellate-pubescent outside, 10-ribbed near the base, lobed to about the middle; lobes triangular, apiculate to acuminate.
Morphology Reproductive morphology Flowers Corolla
Petals 7–10 mm. long, somewhat asymmetrical and ± bilobed.
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal tube stellate-pilose.
Morphology Reproductive morphology Fruits
Mericarps 8–9, c. 2·5 × 2 mm., muticous or minutely apiculate, glabrous or very nearly so, dorsally somewhat rugose and faintly flabellately striate-reticulate, laterally thin to membranous.
Morphology Reproductive morphology Seeds
Seeds c. 1·5 mm. × 1·25 mm., dark brown, glabrous.

Native to:

Ethiopia, Kenya, Malawi, Mozambique, Northern Provinces, Sudan, Swaziland, Tanzania, Uganda, Zaïre, Zimbabwe

Sida rhombifolia var. serratifolia (R.Wilczek & Steyaert) Verdc. appears in other Kew resources:

First published in Kew Bull. 59: 235 (2004)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Verdcourt, B. & Mwachala, G.M. (2009). Flora of Tropical East Africa, Malvaceae: 1-170.

Literature

Kew Bulletin

  • Borssum Waalkes, J. van (1966). Malesian Malvaceae revised. Blumea 14: 1 -213.
  • Fryxell, P. A. (1985). Sidus sidarum - V. The North and Central American species of Sida. Sida 11: 62 -91.
  • Fuertes Agnilar, F. J. (1995). Malvaceae. In: Flora Colombia 17: 1 - 142. Instituto de Ciencias Naturales/ Universidad Nacional de Colombia/ Instituto Colombiano de Cultura Hispanica, Santafe de Bogota.
  • Marais, W. & Friedmann, F. (1987). Malvacées. In: J. Bosser et al. (eds.), Flore des Mascareignes 51: 1 - 57. S.I.R.I., Mauritius, O.R.S.T.O.M., Paris & Royal Botanic Gardens, Kew.
  • Marais, W. (1983). Notes on Mascarene Malvaceae. Kew Bull. 38: 41 - 46.
  • Philcox, D. (1997). Malvaceae. In: M. D. Dassanayake & W. D. Clayton (eds.), A Revised Handbook to the Flora of Ceylon 11: 287 - 360. Balkema, Rotterdam.
  • Rodrigo, A. del P. (1944). Las especies Argentinas y Uruguayas de género Sida (Malvaceae). Revista Mus" La Plata, Secc. Bot. 6: 81 - 212, 31 pl.
  • Schumann, K. (1891). Malvaceae (part 1). In: C. F. P. von Martius, Flora Brasiliensis 12 (3): 254-455. Munich.
  • Sivarajan, V. V. & Pradeep, A. K. (1996). Malvaceae of Southern Peninsular India. Daya Publishing House, Delhi.
  • Ugborogho, R. E. (1980). The taxonomy of Sida L. (Malvaceae) in Nigeria 11. The S. rhombifolia complex. Bol. Soc. Brot., sér. 2, 54: 65 - 85.

Kew Backbone Distributions

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Edwards, S., Tadesse, M. & Hedberg, I. (eds.) (1995). Flora of Ethiopia and Eritrea 2(2): 1-456. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

Flora of Tropical East Africa

  • K.B. 59: 235, fig. 1/b–c (2004).

Flora Zambesiaca
Flora Zambesiaca
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

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 Bulletin
Kew Bulletin
http://creativecommons.org/licenses/by-nc-sa/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