Rhynchosia nyasica Baker

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Rhynchosia nyasica

Habit
Brachystegia woodland
Kaputa GMA, Nsama District
Apr 2024
Photo: Nick Wightman

Rhynchosia nyasica

Stem
Brachystegia woodland
Kaputa GMA, Nsama District
Apr 2024
Photo: Nick Wightman

Rhynchosia nyasica

Flower
Brachystegia woodland
Kaputa GMA, Nsama District
Apr 2024
Photo: Nick Wightman

Rhynchosia nyasica

Flower
Brachystegia woodland
Kaputa GMA, Nsama District
Apr 2024
Photo: Nick Wightman

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Rhynchosia glutinosa Harms
Rhynchosia imbricata Baker
Rhynchosia kerstingii Harms
Common names:
Frequency:
Status:
Description:
Perennial somewhat sticky erect, rarely scrambling or prostrate herb or subshrub with several stems, 0.3–1.2 m tall, from a woody rootstock. Stems pubescent and glandular. Leaflets 3, 1.1–6 × 1.1–5.5 cm, oblate, ovate or rarely reniform, the laterals usually somewhat oblique, rounded to shortly acuminate at the apex, rounded or minutely subcordate at the base, glabrescent to pubescent and glandular on both surfaces; petiole 6–25 mm long; rhachis 4–18 mm long; petiolules 0.8–1.5 mm long; stipules 4 × 1 mm, lanceolate, veined, pubescent. Inflorecences mostly short, axillary, often subsessile; rhachis 1.5–8 cm long; peduncle 0.3–1.5(5) cm long; pedicels 1.5–3 mm long; bracts deciduous, 3 × 5 mm, linear-lanceolate, pubescent. Calyx pubescent and glandular; tube 3 mm long; lobes 2.5–6 mm long, triangular to linear-lanceolate, the lowest the longest, the upper pair joined for half to two-thirds of their length. Standard yellow, often with purple veins, 10–13 × 8–9 mm, broadly elliptic-obovate, glabrous or pubescent, particularly towards the apex; wings yellow; keel greenish-yellow. Pods 2.5–3.4 × 0.8–1 cm, oblong-falcate, aristate, narrowed at the base, finely pubescent and glandular and with longer hairs as well. Seeds deep reddish-brown, 3 × 2.5 × 1 mm, oblong-reniform.
Type location:
Malawi
Notes:
Derivation of specific name: nyasica: of Nyasaland, an old name for Malawi.
Habitat:
Altitude range: (metres)
Flowering time:Apr - May
Worldwide distribution: Widespread from West Africa to East Africa south to Angola, Zambia, Zimbabwe and Mozambique
National distribution:
Growth form(s): Perennial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 169.

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 31. As Rhynchosia nyasica nyasica

Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 226.

Mackinder, B. et al. (2001). Papilionoideae Flora Zambesiaca 3(5) Pages 186 - 187.

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 51.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 71.

Verdcourt, B. (2000). Papilionoideae Flora Zambesiaca 3(6) Pages 137 - 138.


Other sources of information about Rhynchosia nyasica:

Our websites:

Flora of Burundi: Rhynchosia nyasica
Flora of Malawi: Rhynchosia nyasica
Flora of Zambia: Rhynchosia nyasica
Flora of Zimbabwe: Rhynchosia nyasica

External websites:

African Plants: A Photo Guide (Senckenberg): Rhynchosia nyasica
African Plant Database: Rhynchosia nyasica
BHL (Biodiversity Heritage Library): Rhynchosia nyasica
EOL (Encyclopedia of Life): Rhynchosia nyasica
GBIF (Global Biodiversity Information Facility): Rhynchosia nyasica
Google: Web - Images - Scholar
iNaturalist: Rhynchosia nyasica
IPNI (International Plant Names Index): Rhynchosia nyasica
JSTOR Plant Science: Rhynchosia nyasica
Mansfeld World Database of Agricultural and Horticultural Crops: Rhynchosia nyasica
Plants of the World Online: Rhynchosia nyasica
Tropicos: Rhynchosia nyasica
Wikipedia: Rhynchosia nyasica


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-25

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2025). Flora of Botswana: Species information: Rhynchosia nyasica.
https://www.botswanaflora.com/speciesdata/species.php?species_id=131810, retrieved 31 March 2025

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