Eriosema youngii Baker f.
var. youngii

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Eriosema youngii var. youngii

Photo: Unknown
SRGH

Eriosema youngii var. youngii

Photo: Bart Wursten
Main Bulawayo-Harare rd between Kadoma and Chegutu.

Eriosema youngii var. youngii

Photo: Bart Wursten
Main Bulawayo-Harare rd between Kadoma and Chegutu.

Eriosema youngii var. youngii

Photo: Bart Wursten
Main Bulawayo-Harare rd between Kadoma and Chegutu.

Eriosema youngii var. youngii

Photo: Bart Wursten
Main Bulawayo-Harare rd between Kadoma and Chegutu.

Eriosema youngii var. youngii

Photo: Bart Wursten
Main Bulawayo-Harare rd between Kadoma and Chegutu.

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

Synonyms: Eriosema tenue Hepper
Common names:
Frequency:
Status: Native
Description:
Perennial herb, growing from a tuberous rootstock. Stems ascending or decumbent, up to 20 cm long, slender, covered with spreading or somewhat appressed hairs. Leaves 1-foliolate, linear-lanceolate, acute, up to 9 cm long, sparingly hairy above, near the margins and on the main veins beneath, densely glandular beneath; venation slightly raised on both surfaces; stipules 4–8 mm long, sparsely hairy, veined. Inflorescences axillary, 2–4-flowered on peduncles up to 5.5 cm long, with spreading or appressed hairs. Calyx 3–3.5 mm long; lobes lanceolate, longer than the tube, covered with spreading hairs and glands. Standard yellow inside, veined or flushed reddish-brown outside, obovate-spathulate, 4.5–6 mm long, pubescent and glandular in the median area. Pod oblong, 9–10 mm long, covered with ferruginous hairs.
Notes: This species was previously only known from a single collection in the North of Zimbabwe (Jacobsen 2024 or 2026, SRGH). This was cited in error as Jackson 2024 by Drummond in Kirkia 8-2 (1972:220) and, perhaps as a result, was noted as not seen by Verdcourt in Flora Zambesiaca 3-5 (2001: 236). The plant in the images (Ballings & Wursten 2508, BR) therefor is only the second confirmed record from Zimbabwe and the first for the Central Division.
Derivation of specific name:
Habitat:
Altitude range: (metres) 1200 - 1500 m
Flowering time:
Worldwide distribution: Angola, Mali, Nigeria, Cameroon, Guinée, Uganda, Tanzania, Malawi, Zambia and Zimbabwe.
Zimbabwe distribution: N,C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Friday 11 June 2021
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 159.

Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 220. As: Eriosema youngii

Mackinder, B. et al. (2001). Papilionoideae Flora Zambesiaca 3(5) Pages 235 - 236.

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 48.


Other sources of information about Eriosema youngii var. youngii:

Our websites:

Flora of Malawi: Eriosema youngii var. youngii
Flora of Zambia: Eriosema youngii var. youngii

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Eriosema youngii var. youngii.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=132140, retrieved 4 August 2021

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