Family:
Malvaceae Juss.
Genus:
Corchorus L.

Corchorus tridens L.

This species is accepted, and its native range is Tropical & Subtropical Old World.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Erect to procumbent annual herb, up to 0.5 m high; stems glabrous to sparsely pilose
Morphology Leaves
Leaves glabrous to sparsely setulose on main veins; petiole 2–15 mm long; blade narrowly ovate to narrowly elliptic or narrowly oblong, 1.5–11(–14) x 0.5–2.7 cm, acute to acuminate at the apex, rounded at the base, some or all with up to 8 mm long basal setae
Morphology Reproductive morphology Inflorescences
Flowers in 1–3(–4)-flowered glabrous clusters; peduncle and pedicels up to 1 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals 4–5, 2–4 x 0.5 mm, glabrous or with a few appressed hairs
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. 10
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary papillose to setulose
Morphology Reproductive morphology Fruits
Capsule 3-valved, 1.7–5 cm long, cylindric, slightly ribbed, terminated by 3 up to 2 mm long horns, straight or usually ± curved on erect pedicels
Morphology Reproductive morphology Seeds
Seeds 1–1.5 mm long, finely reticulate.
Distribution
C1, 2 widespread in tropical Africa and Asia.
Ecology
Altitude range 50–330 m.

[FTEA]

Tiliaceae, C. Whitehouse, M. Cheek, S. Andrews & B. Verdcourt. Flora of Tropical East Africa. 2001

Morphology General Habit
Annual herb, suberect or decumbent, up to 1 m tall; stems glabrous to sparsely pilose.
Morphology Leaves
Leaves narrowly ovate, ovate or narrowly oblong, 3–11.5 cm long, 0.6–1(–3) cm wide, margins coarsely serrate, usually with a pair of basal setae 0.6–0.9 mm long, rounded at the base, acute to subacute, glabrous above, pubescent on midrib beneath and occasionally on blade; petioles 0.6–1.4 cm long, pilose especially on upper surface; stipules up to 5 mm, glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescences of 1–4-flowered glabrous fascicles; bracts up to 3 mm long, glabrous; peduncles ± 1 mm long; pedicels ± 1 mm long.
Morphology Reproductive morphology Flowers Calyx
Sepals 4–5, 3.5–4.3 mm long, 0.5–0.6 mm wide, glabrous or with odd hairs.
Morphology Reproductive morphology Flowers Corolla
Petals 4–5, 3.5–4.8 mm long, 0.5–1.5 mm wide, obovate, tapering to a short ciliate claw; stamens ± 10; ovary cylindric, 2–3 mm long, papillose.
Morphology Reproductive morphology Fruits
Capsule a slender cylinder, 2–4 cm long, 1–1.5 mm wide, held erect, straight or slightly curved, splitting into 3 valves, glabrous to sparsely setulose, ending in 3 spreading horns, these usually bifid.
Morphology Reproductive morphology Seeds
Seeds angular, oblong, dull dark brown, up to 0.5 mm in diameter, finely reticulate.
Figures
Fig. 18/13 (fruit, p.103).
Habitat
Cultivated land, sandy and waterlogged soils; 30–1400 m
Distribution
K1 K2 K4 K6 K7 T2 T4 T5 T7 T8 U1 U3 widespread as a weed in the tropics and subtropics of the Old World

[FZ]

Tiliaceae, H. Wild. Flora Zambesiaca 2:1. 1963

Morphology General Habit
Annual herb up to c. 0·6 m. tall, usually erect but with the older branches rather spreading; branchlets at first rather compressed or angular, glabrous or sparsely pilose.
Morphology Leaves
Leaf-lamina 2·5–11 × 0·6–4·5 cm., oblong to lanceolate, acute at the apex, margin serrate or serrate-crenate, rounded at the base, glabrous or sparsely setulose-pubescent on the nerves; petiole up to 2 cm. long, pilose on the upper side; stipules up to 10 mm. long, setaceous, glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescences of 1–3-flowered leaf-opposed cymes; peduncles up to 1 mm. long, glabrous; pedicels similar, up to 1 mm. long; bracts 1–2 mm. long, setaceous, glabrous.
Morphology Reproductive morphology Flowers Calyx
Sepals c. 5 mm. long, linear, slightly broader in the upper half, bluntly acuminate, glabrous.
Morphology Reproductive morphology Flowers Corolla
Petals yellow, the same length as the sepals, very narrowly oblanceolate, with a basal minutely ciliolate claw c. 0·3 mm. long.
Morphology Reproductive morphology Flowers Androgynophore
Androgynophore almost obsolete, but annulus visible and clasping the base of the ovary.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 8–10.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary trigonously cylindric, papillose, 3-locular; style c. 2 mm. long, glabrous.
Morphology Reproductive morphology Fruits
Capsule up to c. 4 cm. long, held more or less erect, straight or slightly curved, usually somewhat ribbed, sparsely and minutely setulose-scabrid, terminated by 3 spreading horns c. 1 mm. long; valves only shallowly pitted inside to contain the seeds.
Morphology Reproductive morphology Seeds
Seeds c. 1·4 × 0·8 mm., numerous, dark brown, cylindric or somewhat quadrangular-cylindric.

[FWTA]

Tiliaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:2. 1958

Note
A weed of cultivation
Morphology Reproductive morphology Flowers
Flowers yellow.

Native to:

Afghanistan, Angola, Assam, Benin, Botswana, Burkina, Cameroon, Cape Verde, Caprivi Strip, Central African Repu, Chad, Congo, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, India, Ivory Coast, Kenya, KwaZulu-Natal, Malawi, Malaya, Mali, Mauritania, Mozambique, Namibia, Nepal, Niger, Nigeria, Northern Provinces, Northern Territory, Pakistan, Queensland, Senegal, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Western Australia, Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

Bolivia, Egypt, New Jersey, Pennsylvania, Windward Is.

Corchorus tridens L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Sep 16, 2008 Crawford, F. [97], Namibia K000450340 No
Apr 1, 1963 Lazarides, M. [6817], Queensland K000687588 Yes
[Serrottel], D. [s.n.], Senegal K000242060 Yes
Vogel [s.n.], Senegal K000242061 Yes
Mueller, F.J.H. von [s.n.], Australia K000687589 Yes
Lowe, R.T. [s.n.], Cape Verde K001134683 No
Cunningham, A. [296], Northern Territory K000687590 holotype Yes
Webb [22], Cape Verde K001134680 Yes
Perry, R.A. [968], Queensland K000687587 Yes
Lowe, R.T. [s.n.], Cape Verde K001134684 No
Vogel [42], Cape Verde K001134681 Yes
Ansell [s.n.], Cape Verde K001134682 Yes
s.coll. [Cat. no. 1073] K001110939 Yes
s.coll. [s.n.], Australia K000687591 Yes
Baker, R. [5967], Brazil K001209677 Yes
Lowe, R.T. [s.n.], Cape Verde K001134685 No

First published in Mant. Pl. 2: 566 (1771)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Barooah, C. & Ahmed, I. (2014). Plant diversity of Assam. A checklist of Angiosperms and Gymnosperms: 1-599. Assam science technology and environment council, India.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 1: 1-359. Centre Regional de Documentation Pedagogique, Nice.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Boulos, L. (2000). Flora of Egypt 2: 1-352. Al Hadara Publishing, Cairo.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
  • Browicz, K. (1981). Flora Iranica 148: 1-15. Naturhistorisches Museums Wien.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis. PhytoKeys 23: 1-18.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
  • 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.
  • Dobignard, A. & Chatelain, C. (2012). Index synonymique de la flore d'Afrique du nord 4: 1-431. Éditions des conservatoire et jardin botaniques, Genève.
  • 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.
  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Flora of North America Editorial Committee (2015). Flora of North America North of Mexico 6: 1-468. Oxford University Press, New York, Oxford.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Lebrun, J.P., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Meena, S.L. (2012). A checklist of the vascular plants of Banaskantha district, Gujarat, India. Nelumbo 54: 39-91.
  • Memon, R.A. & al. (2014). Illustrated weed flora of Cotton crop of Khairpur district, Sindh, Pakistan. Pakistn Journal of Botany 46: 5-12.
  • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Nasir, E. & Ali, S.I. (eds.) (1970-1995). Flora of West Pakistan 1-131.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Prakash, L. & Balasubramanian, P. (2018). Invasive alien flora of Sathyamangalam Tiger Reserve in Southern Eastern Ghats, India. Indian Forester 144: 857-862.
  • Shaheen, H., Qureshi, R., Akram, A., Gulfraz, M. & Potter, D. (2014). A preliminary floristic checklist of Thal desert Punjab, Pakistan. Pakistn Journal of Botany 46: 13-18.
  • Sikarwar, R.L.S. (2014). Angiosperm diversity assessment of Chitrakootthe legendary place of Vindhyan range, India. Journal of Economic and Taxonomic Botany 38: 563-619.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew.
  • Whitehouse, C., Cheek, M., Andrews, S. & Verdcourt, B. (2001). Flora of Tropical East Africa, Tiliaceae & Muntingiaceae: 1-120.
  • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • Chev. Bot. 91.
  • —F.T.A. 1: 264

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.
  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Barooah, C. & Ahmed, I. (2014). Plant diversity of Assam. A checklist of Angiosperms and Gymnosperms: 1-599. Assam science technology and environment council, India.
  • Boulos, L. (2000). Flora of Egypt 2: 1-352. Al Hadara Publishing, Cairo.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 2(1): 1-85. ORSTROM, Bangui.
  • Browicz, K. (1981). Flora Iranica 148: 1-15. Naturhistorisches Museums Wien.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.
  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
  • Flora of North America Editorial Committee (2015). Flora of North America North of Mexico 6: 1-468. Oxford University Press, New York, Oxford.
  • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.
  • Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Lebrun, J.P., Toutain, B., Gaston, A. & Boudet, G. (1991). Catalogue des Plantes Vasculaires du Burkina Faso: 1-341. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Memon, R.A. & al. (2014). Illustrated weed flora of Cotton crop of Khairpur district, Sindh, Pakistan. Pakistn Journal of Botany 46: 5-12.
  • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew.
  • Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew.

Flora of Somalia

  • Flora Somalia, Vol 2, (1999) Author: by Sebsebe Demissew [updated by M. Thulin 2008]

Flora of Tropical East Africa

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  • Edmonds, Herb. Surv. Afr. Corchorus Sp.: 39, 140, fig. 2/a, map 11 (1990).
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  • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan 1: 217 (1950).
  • Hanid in A.D.Q. Agnew, Upland Kenya Wild Flowers p. 187 (1974).
  • Hutch. & Dalz., Flora of West Tropical Africa 1: 241 (1927).
  • K. Schum. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 262 (1895).
  • Keay in Flora of West Tropical Africa, ed. 2, 1: 308 (1958).
  • L., Mant. Pl. Alt. 2: 566 (1771).
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  • R. Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 10: 87 (1963).
  • Robyns, Flore des Spermatophytes du Parc National Albert 1: 576 (1948).
  • T.V. Jacobs in Phyton 61: 99, fig. 1/j (1997).
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  • Vollesen in Opera Bot. 59: 32 (1980).
  • Wild & Gonç. in Fl. Moçamb. 28: 64 (1969).
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