Aeschynomene trigonocarpa Taub. ex Baker f.

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Aeschynomene trigonocarpa

Mar 1996
Photo: Mike Bingham

Aeschynomene trigonocarpa

Mar 1996
Photo: Mike Bingham

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Common names:
Status: Native
Small shrub 0.8–3 m tall or sometimes an ascending woody herb. Stems slender, at first glandular pubescent with tubercular-based hairs, later glabrous; bark on older stems at length peeling to reveal a powdery rusty-red surface. Leaves 16–40-foliolate; leaflets 3–8 × 1–2.5 mm, linear to linear-oblong or oblanceolate, rounded and mucronulate at the apex, obliquely truncate at the base, glabrous; main nerve central; other venation rather obscure; petiole and rhachis together 1.5–3.5 cm long, with a line of bristly hairs beneath; petiolules 0.3 mm long; stipules 7–12 × 1–2.3 mm, narrowly lanceolate, acuminate, conspicuously appendaged on one side at the base, soon falling or sometimes ± persistent. Inflorescences axillary, lax, several-flowered; peduncle 1–2 cm long; rhachis 3–13 cm long; pedicels 3–5.5 mm long, with tubercular-based hairs; bracts 2–3-fid, 4 × 1.6 mm, elliptic-lanceolate, glabrous, soon falling; bracteoles 2.5 × 0.6 mm, narrowly oblong-lanceolate, soon falling. Calyx glabrous, 2-lipped; lips 5–7 × 2–3 mm, elliptic, one slightly emarginate, the other shortly 3-toothed or almost entire. Standard dark yellow, tinged brown outside, 7.5–10 × 3.5–4.5 mm, oblong but slightly narrowed at the middle, ± truncate; wings yellow; keel petals pale yellow, not laciniate. Fruit of 1 or less often 2 articles joined by a narrow neck; articles 7–11 × 6–8 mm, triangular with acute angles or rarely rounded, compressed, glabrous or puberulous on the thickened margins, reticulate but smooth or at length very finely rugulose. Seeds chestnut-brown, 5 × 4 × 1.5 mm, irregularly compressed-reniform, slightly beaked beyond the small round eccentric hilum.
From Flora Zambesiaca Vol 3, Part 6, (2000) Author: B. Verdcourt
Type location:
Notes: Red data list status: Lower Risk: Least Concern
Derivation of specific name: trigonocarpa: “3-angled fruit”
Habitat: Miombo woodland
Altitude range: 1200 - 1740 m
Flowering time:
Worldwide distribution: Zambia, Malawi, Zimbabwe; Tanzania
Zambian distribution (Flora Zambesiaca): N,C,S
Zambian distribution (Provinces): N,C,Lk,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Wednesday 23 August 2017

Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 216.

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 246.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 46.

Steedman, E.C. (1933). Some Trees, Shrubs and Lianes of Southern Rhodesia. Page 22.

Verdcourt, B. (2000). Papilionoideae Flora Zambesiaca 3(6) Pages 108 - 109. illustration of pod on page 63. (Includes a picture).

Other sources of information about Aeschynomene trigonocarpa:

Our websites:

Flora of Malawi: Aeschynomene trigonocarpa
Flora of Zimbabwe: Aeschynomene trigonocarpa

External websites:

African Plants: A Photo Guide (Senckenberg): Aeschynomene trigonocarpa
African Plant Database: Aeschynomene trigonocarpa
BHL (Biodiversity Heritage Library): Aeschynomene trigonocarpa
EOL (Encyclopedia of Life): Aeschynomene trigonocarpa
ePIC (electronic Plant Information Center): Aeschynomene trigonocarpa
Flora Zambesiaca web site: Aeschynomene trigonocarpa
GBIF (Global Biodiversity Information Facility): Aeschynomene trigonocarpa
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Aeschynomene trigonocarpa
iNaturalist: Aeschynomene trigonocarpa
IPNI (International Plant Names Index): Aeschynomene trigonocarpa
JSTOR Plant Science: Aeschynomene trigonocarpa
Kew Herbarium catalogue: Aeschynomene trigonocarpa
Mansfeld World Database of Agricultural and Horticultural Crops: Aeschynomene trigonocarpa
Plants of the World Online: Aeschynomene trigonocarpa
The Plant List (version 1.1): Aeschynomene trigonocarpa
Tropicos: Aeschynomene trigonocarpa
Wikipedia: Aeschynomene trigonocarpa

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-19

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2019). Flora of Zambia: Species information: Aeschynomene trigonocarpa., retrieved 15 September 2019

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