Neorautanenia Schinz

First published in Bull. Herb. Boissier 7: 35 (1899)
This genus is accepted
The native range of this genus is Tropical & S. Africa.

Descriptions

Legumes of the World. Edited by G. Lewis, B. Schrire, B. MacKinder & M. Lock. Royal Botanic Gardens, Kew. (2005)

Note

Previous accounts of the Phaseoleae by Baudet (1978) and Lackey (1981) recognised 90 and 84 genera and c. 1540 and 1480 species respectively in the tribe. In an equivalent, i.e. traditionally held view of Phaseoleae, 89 genera and (1554)–1567–(1580) species are treated here (Table 9; Fig. 47). Changes between Baudet (1978) and this treatment are that eleven genera are now in synonymy or have subsequently been placed in Millettieae, two genera have been transferred from Desmodieae and eight new genera have been added. Vigna has traditionally been thought to comprise some 150–200 species, but Vigna sens. strict. may contain fewer than 100.

Recent molecular analyses of the tribe, however, have emphasised both the polyphyletic and paraphyletic nature of Phaseoleae as traditionally circumscribed (Bruneau & Doyle, 1990; Doyle & Doyle, 1993; Delgado Salinas et al., 1993; Bruneau et al., 1995; Doyle et al., 1997, 2000; Kajita et al., 2001; Goel et al., 2001; Lee & Hymowitz, 2001). This has required a radical realignment of elements of the phaseoloids (Table 9; Fig. 47), with at least two major clades being evident: Phaseoleae subtribes Diocleinae and Ophrestiinae which together with tribe Abreae are allied to the core-Millettieae (Fig. 45), and the remaining groups comprising a Phaseoleae sens. lat. clade. The rbcL phylogeny of Kajita et al. (2001) and the ITS analysis of Hu et al. (2002) are equivocal as to which clade subtribe Clitoriinae belongs. Phaseoleae sens. lat. also includes two traditionally independent tribes, the Desmodieae and Psoraleeae. Delimiting a recircumscribed Phaseoleae sens. strict is thus very problematic. A solution may be to recognise a broad tribe Phaseoleae, comprising the subtribes Kennediinae, Cajaninae, Phaseolinae and Glycininae, assorted basally branching genera, and tribes Desmodieae and Psoraleeae (both treated at subtribal level).

Traditionally placed in subtribe Phaseolinae, but current research by Delgado Salinas, Thulin, Pasquet, Weeden and Lavin suggests this should be in the Glycininae
Habit
Herbs or subshrubs
Ecology
Seasonally dry tropical open woodland, bushland, wooded grassland and grassland, often in rocky places
Distribution
Africa (Zambezian, Sudanian and Somalia-Masai regions)
[LOWO]

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

Morphology General Habit
Prostrate trailers or lianes, more rarely erect subshrubs, from an extensive rootstock.
Morphology Leaves
Leaves pinnately 3-foliolate, very unusually 1-foliolate or 4–5-foliolate; stipules not spurred, persistent; stipels present.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, falsely racemose, the flowers in fascicles along the rhachis which is slightly thickened at the insertion of the pedicels; bracts soon falling; bracteoles absent.
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, 2-lipped, the lower lip 3-fid, the upper pair of lobes joined to form a bifid lip.
Morphology Reproductive morphology Flowers Corolla
Corolla rather small; standard round, auriculate at the base, without appendages, glabrous; wings long-spurred at the junction of blade and claw.
Morphology Reproductive morphology Flowers Androecium Stamens
Vexillary stamen free or fused at the base; anthers uniform.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary linear, 3–8-ovuled, with a thickened glabrous area forming a small boss at the base of the style; style thickened below, bent over at an angle of up to 90°, glabrous; stigma small, capitate, glabrous.
Morphology Reproductive morphology Fruits
Pods linear-oblong to oblong, dehiscent, usually septate.
Morphology Reproductive morphology Seeds
Seeds 3–8, subglobose or ovoid-oblong, compressed; hilum short; a small cartilaginous funicle remnant persisting.
[FZ]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Prostrate trailers, lianes or erect subshrubs
Morphology Leaves
Leaves pinnately 3-foliolate
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, pseudoracemose; bracteoles absent
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, 2-lipped; lower lip 3-fid; upper lip 2-fid
Morphology Reproductive morphology Flowers Corolla
Corolla glabrous, standard without appendages
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers uniform
Morphology Reproductive morphology Flowers Gynoecium Style
Style with a distinct thickening at its junction with the ovary, bent over at a right angle, glabrous; stigma small, capitate, glabrous
Morphology Reproductive morphology Fruits
Pod linear-oblong to oblong, dehiscent.
Distribution
Four species confined to tropical Africa.
[FSOM]

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

Morphology General Habit
Prostrate trailers or lianes, more rarely erect subshrubs, from an extensive rootstock
Morphology Leaves
Leaves pinnately 3-foliolate; stipules not spurred, persistent; stipels present
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, falsely racemose, the flowers in fascicles along the rhachis which is slightly thickened at the insertion of the pedicels; bracts soon falling; bracteoles absent
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, 2-lipped, the lower lip 3-fid, the upper pair of lobes joined to form a bifid lip
Morphology Reproductive morphology Flowers Corolla
Corolla rather small; standard round, auriculate at the base, without appendages, glabrous; wings long-spurred at the junction of blade and claw
Morphology Reproductive morphology Flowers Androecium Stamens
Vexillary stamen free; anthers uniform
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary linear, 3–8-ovuled, with a thickened glabrous area forming a small boss at the base of the style; style thickened below, bent over at a right-angle, glabrous; stigma small, capitate, glabrous
Morphology Reproductive morphology Fruits
Pods linear-oblong to oblong, dehiscent, septate
Morphology Reproductive morphology Seeds
Seeds 3–8, subglobose or ovoid-oblong, compressed; hilum short; a small cartilaginous funicle-remnant persisting.
[FTEA]

Uses

Use
The tuberous roots have insecticidal properties and plants are used as fish poisons (roots also known to kill bilharzia-carrying freshwater snails)
[LOWO]

Sources

  • Flora Zambesiaca

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

    • Flora of Somalia
    • 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

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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
  • Legumes of the World Online

    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • World Checklist of Vascular plants (WCVP)

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. 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