Dolichos simplicifolius Hook.f.

First published in Bot. Mag. 119: t. 7318 (1893)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It is a perennial or tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Erect, prostrate or ascending perennial herb from a massive ellipsoidal tuberous rootstock 13 cm. long and 9 cm. wide.
Morphology Stem
Stems branched, undulate or zigzag, glabrous or with sparse spreading hairs on the ribs.
Morphology Leaves
Leaves unifoliolate; leaflet narrowly elliptic-lanceolate, 4–23 cm. long, 1–4·4 cm. wide, tapering acute or rarely rounded and mucronulate at the apex, cuneate, glabrous or pubescent on both surfaces, 3-nerved from the base or very shortly above it to the apex, the tertiary venation quite conspicuous; petiole 3–8 mm. long; stipules persistent, lanceolate, 0·8–1·3 cm. long, 3–5 mm. wide, ciliate, veined.
Morphology Reproductive morphology Flowers
Flowers 1–8 in axillary fascicles; peduncle obsolete; pedicels 0·5–4·5 cm. long, glabrous or sparsely pilose; bracteoles minute, linear.
Morphology Reproductive morphology Flowers Calyx
Calyx sparsely pubescent or glabrous; tube ± 3 mm. long; 3 lower lobes triangular, 1·5–2·5 mm. long, the upper pair almost or completely joined.
Morphology Reproductive morphology Flowers Corolla
Standard pale purple or lilac, usually drying yellowish-brown, almost round, 1·1–1·2 cm. long, 1·2 cm. wide; keel paler.
Morphology Reproductive morphology Fruits
Pod oblanceolate, 4·5–7 cm. long, 5–10 mm. wide, faces glabrous or pubescent, margins sparsely to densely hairy.
Habitat
Mixed Brachystegia woodland but typical habitat not known; 1350–1600 m.
Distribution
T5 T7 T8
[FTEA]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

Morphology General Habit
Prostrate, ascending or erect herb, arising from a perennial tuberous rootstock; rootstock to 13 × 9 cm, ellipsoid.
Morphology Stem
Stems annual, branched, undulate or zigzag, laterally flattened, ribbed, glabrous or with sparse spreading hairs on the ribs.
Morphology Leaves
Leaves 1-foliolate; leaflet 4–23 × 1.4–4 cm, narrowly elliptic, lanceolate, acute or rarely rounded and mucronulate at the apex, base cuneate, glabrous or pubescent on both surfaces, 3-veined from the base or very shortly above it to the apex, the tertiary venation quite conspicuous; petiole 3–8 mm long; stipules 8–13 × 3–5 mm, lanceolate, ciliate, striate, persistent; stipels minute.
Morphology Reproductive morphology Flowers
Flowers axillary, solitary, in pairs or in 3–8-flowered fascicles; pedicels 5–45 mm long, glabrous or sparsely pilose; bracts absent; bracteoles minute, linear.
Morphology Reproductive morphology Flowers Calyx
Calyx sparsely pubescent or glabrous; tube 3 mm long; lower lobes 1.5–3 mm long, triangular, upper pair almost or completely fused.
Morphology Reproductive morphology Flowers Corolla
Standard pale purple or lilac, usually drying yellowish-brown, 11–12 × 12 mm, almost round; wings and keel paler.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 5–7 mm long, linear-oblong, compressed, densely pubescent; style 3–4 mm long, stigma minute, terminal, capitate, penicillate.
Morphology Reproductive morphology Fruits
Pods 4.5–7 cm × 5–10 mm, oblanceolate, glabrous or pubescent on the surfaces, margins sparsely to densely pubescent.
Morphology Reproductive morphology Seeds
Seeds unknown.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Art and Illustrations in Digifolia

    • Digital Image © Board of Trustees, RBG Kew
  • Flora Zambesiaca

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

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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • http://creativecommons.org/licenses/by/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0