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This genus is accepted, and its native range is Tropics & Subtropics.
Uncaria sp (Naucleaceae)

[FTEA]

Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

Morphology General Habit
Woody lianes or sometimes forming scrambling bushes or thickets; flowering branches bearing strongly curved hooked spines
Morphology Leaves
Leaves petiolate; stipules simple or 2-lobed, deciduous
Morphology Reproductive morphology Inflorescences
Inflorescences globose, solitary, axillary or terminal; flowers not fused, pedicellate
Morphology Reproductive morphology Flowers Calyx
Calyx-tube ellipsoid, the free part well developed, shallowly 5-undulate to distinctly 5-toothed, persistent
Morphology Reproductive morphology Flowers Corolla
Corolla-tube filiform-cylindrical, funnel-shaped at the throat; lobes 5, imbricate or quincuncial
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with filaments very short; anthers apiculate, 2-thecous
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 2-locular; placentas peltate, entirely covered with imbricated ascending ovules; style long and narrow, well exserted from the corolla; stigma slightly thickened with 2 marks on either side
Morphology Reproductive morphology Fruits
Fruits fusiform, dry, dehiscent, borne on accrescent pedicels
Morphology Reproductive morphology Seeds
Seeds small, with long fine wings from opposite ends, mostly 1 from one end and 2–3 from the other.

Native to:

Andaman Is., Angola, Assam, Bangladesh, Belize, Bismarck Archipelago, Bolivia, Borneo, Brazil North, Brazil Northeast, Brazil West-Central, Burkina, Cambodia, Cameroon, Caroline Is., Central African Repu, China North-Central, China South-Central, China Southeast, Colombia, Comoros, Congo, Costa Rica, East Himalaya, Ecuador, Equatorial Guinea, Ethiopia, French Guiana, Gabon, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Honduras, India, Ivory Coast, Japan, Jawa, Kenya, Laos, Lesser Sunda Is., Liberia, Madagascar, Malaya, Maluku, Myanmar, Nepal, New Guinea, Nicaragua, Nicobar Is., Nigeria, Panamá, Paraguay, Peru, Philippines, Queensland, Senegal, Sierra Leone, Solomon Is., Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Thailand, Tibet, Togo, Trinidad-Tobago, Uganda, Vanuatu, Venezuela, Vietnam, West Himalaya, Zaïre

Uncaria Schreb. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2011 Du, N.V. et al. [HNK 2565], Vietnam K000174747
Coode, M.J.E. [6067], Indonesia 55455.000
Small, D. [694], Sierra Leone 6294.000
Spruce, R. [3221], Venezuela K000006440
Spruce, R. [3221], Venezuela K000006439
Hamilton, W.D. [45], Brazil K001049392
Zartman, C.E. [5860], Brazil K001049391

First published in Gen. Pl., ed. 8[a], 1: 125 (1789)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • —F.T.A. 3:41. Nom. cons.

Flora of Tropical East Africa

  • Gen.1: 125 (1789)
  • Petit in B.J.B.B. 27: 442 (1957)
  • Ridsd. in Blumea 24: 68–100 (1978), nom. conserv.

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/

Interactive Key to Seed Plants of Malesia and Indo-China
The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew

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