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This species is accepted, and its native range is Tanzania to Central Malawi.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Tree 4.8–18 m. high (or, fide Burtt 4534, a semi-scandent shrub to 4.5 m.).
Morphology Branches
Young branchlets densely pubescent.
Morphology Leaves
Leaves with petiole and rhachis eglandular, the latter 14.2–26 cm. long. Leaflets in 6–8 pairs, petiolulate, elliptic or ovate-elliptic, 4.5–11.5 cm. long, 2.1–6 cm. wide, with crisped but not appressed pubescence beneath especially on midrib and nerves, sometimes tomentose.
Morphology Reproductive morphology Inflorescences
Inflorescences similar to those of 7, C. afrofistula, with racemes to 15–27 cm. long, but with dense olivaceous pubescence, sometimes with a somewhat silvery sheen on the sepals.
Morphology Reproductive morphology Inflorescences Bracts
Bracts persisting till the flowers are open, 8–11 mm. long.
Morphology Reproductive morphology Flowers Corolla
Petals yellow, ± 1.5–2.6 cm. long and 1–2.2 cm. wide.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10; filaments of 3 lower each with an S-bend near base and a slight swelling above the bend.
Morphology Reproductive morphology Fruits
Pods subcylindrical, attenuate at apex, somewhat so at base, ± 32–42 cm. long, 1–1.5 cm. in diameter, sparsely pubescent to subglabrous, blackish-brown, transversely but not longitudinally partitioned within.
Morphology Reproductive morphology Seeds
Seeds embedded in pulp, brown, ± 7 mm. long, 6 mm. wide and 3 mm. thick.
Habitat
Riverine forest; 900–1370 m.
Distribution
T5 T8

[ILDIS]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian forest
Morphology General Habit
Perennial, Not climbing, Shrub/Tree

[FZ]

Leguminosae, R.K. Brummitt, A.C. Chikuni, J.M. Lock and R.M. Polhill. Flora Zambesiaca 3:2. 2007

Morphology General Habit
Shrub or small tree to 8 m (18 m in East Africa) tall.
Morphology Branches
Branchlets brown, longitudinally ridged when dry, sparsely pubescent, glabrescent.
Morphology Leaves
Leaves paripinnate; stipules not seen, very early caducous; petiole 4.5–7.2(9) cm long, sparsely to densely pubescent; rachis 16–22.5 cm long,>i> sparsely pubescent;>i> leaflets opposite, in 6–7 pairs,>i> 4.5–11.5 × 2.4–5.2 cm, the distal pair the largest, ovate to ovate-elliptic, slightly asymmetric,>i> apex bluntly acute, base cuneate, sometimes asymmetric, glabrous above, pubescent beneath particularly on the main veins;>i> venation raised on both surfaces>i>.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal, paniculate; axis puberulous;>i> bracts c.8 × 1.5 mm, very narrowly triangular, densely puberulous; bracteoles similar, slightly smaller; bracts and bracteoles persisting until anthesis; pedicel (2)3–3.5 cm long at anthesis.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes 5, 8–10 × 4–5 mm, broadly elliptic, densely puberulous outside, shortly puberulous inside.
Morphology Reproductive morphology Flowers Corolla
Petals yellow, c.25 mm in diameter, subcircular, claw c.3 mm long.>i> Stamens 10, filaments glabrous, those of 3 stamens c.25 mm long, of 4 stamens 6–8 mm long, of 3 stamensc.4 mm long; anthers of 7 longer stamens 5 mm long, those of the 3 shortest stamens smaller.>i> Ovary c.35 mm long and 1–2 mm in diameter, filiform, densely sericeous-pubescent, multiovulate; stipe c.4 mm long; stigma terminal, recessed>i>.
Morphology Reproductive morphology Fruits
Pod (according to Brenan) blackish brown, 32–42 cm long, 1–1.5 cm in diameter, subcylindrical, attenuate at apex, somewhat so at base, sparsely pubescent to subglabrous, transversely but not longitudinally partitioned within.
Morphology Reproductive morphology Seeds
Seeds brown, c.7 × 6 × 3 mm.

Native to:

Malawi, Tanzania

Introduced into:

India

Cassia thyrsoidea Brenan appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Milne-Redhead, E. [8272], Tanzania 4962.000 isotype
Milne-Redhead, E. [8272], Tanzania K000232453 holotype
Milne-Redhead, E. [8272], Tanzania K000232455
Milne-Redhead, E. [8272], Tanzania K000232454

First published in Kew Bull. 14: 234 (1958)

Accepted by

  • Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). 61. Leguminosae Subfamily Caesalpinioideae Flora Zambesiaca 3(2): 1-218. Royal Botanic Gardens, Kew.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew.
  • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew.
  • Lock, J.M. (1989). Legumes of Africa a check-list: 1-619. Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • Brenan in Kew Bulletin 13: 234 (1958).

International Legume Database and Information Service

  • Brenan, J. P. M. (1967). Caesalp. In: Flora Trop. East Africa. Milne-Redhead & Polhill

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
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 Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0