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This species is accepted, and its native range is Benin to Uganda and Angola.
A specimen from Kew's Herbarium

[FWTA]

Aristolochiaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

Morphology General Habit
A woody climber, 25 ft. or more long
Morphology Reproductive morphology Fruits
Pendulous cucumber-like fruits
Morphology Reproductive morphology Flowers Perianth
Perianth-lobes red-purple, tube paler.

[FTEA]

Aristolochiaceae, B. Verdcourt. Flora of Tropical East Africa. 1986

Morphology General Habit
Large liane to 7.5 m. or more (said to reach top of tallest trees), with cylindric or flattened and ± bilobed stems up to 1.5–2.5 cm. across.
Morphology Leaves
Leaves variable, 8–23 cm. long, 6–18 cm. wide, acuminate at the apex, mostly deeply cordate at the base, ± undulate or 3-lobed, coriaceous, glabrous; petiole 5–10 cm. long.
Morphology Reproductive morphology Flowers
Flowers with somewhat disagreeable odour of carrion, produced freely along the leafless stems to within 0.9–1.2 m. of the ground, in clusters of (1–)2–3 or more but sometimes on leafy branches; pedicels 2 cm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx dull purplish, dull brownish red or light greenish yellow with brown or purple spots, slightly shining; inflated part of tube 3–4 cm. long, (1.5–)2.3–3 cm. wide, with 2 reniform glandular patches on lower side; tube distinctly curved in bud, (3–)5.5–6.5(–8) cm. long, 1–2.5 cm. wide, slightly constricted at the throat, with downwardly projecting ivory-white or violet hairs at orifice and within tube; lobes red-purple, 3 equal, horizontally spreading, triangular-lanceolate, (1.5–)4.5(–7) cm. long, 1 cm. wide, narrowly acute, usually profusely covered for two-thirds of surface or only at apex with small purplish brown white-tipped hairs.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 9.
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic lobes 9
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1.5–3.7 cm. long, 5 mm. wide.
Morphology Reproductive morphology Fruits
Fruit straight or curved, 20–32 cm. long, 2.5–4 cm. wide, with 6 ± angular or rounded ribs.
Morphology Reproductive morphology Seeds
Seeds ± 100 per locule, 1.2 cm. long, 9 mm. wide, 1 mm. thick.
Figures
Fig. 1.
Habitat
Riverine and lake-shore forest; 660–1200 m.
Distribution
Dahomey to Angola across to Zaire, Congo (Brazzaville), Central African Republic, Chad and Sudan U1 U2 U4

Native to:

Angola, Benin, Cameroon, Central African Repu, Chad, Congo, Equatorial Guinea, Gabon, Nigeria, Rwanda, Sudan, Uganda, Zaïre

Aristolochia triactina Hook.f. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Oct 1, 2003 Cheek, M. [9206], Cameroon Pararistolochia triactina K000197720
Jan 1, 1998 Mann, G. [1831], Equatorial Guinea Pararistolochia triactina K000350302
Moloney [18], Nigeria Pararistolochia triactina K000350283
Mann, G. [1831], Equatorial Guinea Pararistolochia triactina K000350303
Mann, G. [1831], Equatorial Guinea Pararistolochia triactina K000350304
Schweinfurth, G. [3507], Congo, DRC Aristolochia schweinfurthii K000350263 isotype

First published in Trans. Linn. Soc. London 25: 196 (1865)

Accepted by

  • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.

Not accepted by

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers. [Cited as Pararistolochia triactina.]
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne. [Cited as Pararistolochia triactina.]
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307. [Cited as Pararistolochia triactina.]

Literature

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Boulvert, Y. (1977). Catalogue de la Flore de Centrafrique 1: 1-114. ORSTROM, Bangui.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Buchwalder, K., Samain, M.-S., Sankowsky, G., Neinhuis, C. & Wanke, S. (2014). Nomenclatural updates of Aristolochia subgenus Pararistolochia (Aristolochiaceae) Australian Systematic Botany 27: 48-55.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical 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