Senna meridionalis (R.Vig.) Du Puy

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Origin and Habitat: Senna meridionalisSN|35313]]SN|35313]] has a relatively extensive distribution over an area of at least 20000 km2 in southern and western Madagascar, from Toliara to the Itampolo region. It has a very limited distribution. Distribution within this area is fragmented, but the species is at least locally common Only about 400 plants remain in the wild.
Habitat and ecology: This species grows mainly on Eocene limestone of the Mahafaly plateau in arid and semi-arid areas in deciduous forest and thorny scrub.

Synonyms:

• Senna meridionalis (R.Vig.) Du Puy

Common Names include:
ENGLISH: Taraby plant
MALAGASY: Taraby, Andapary, Tainjazamena

 

Description: Senna meridionalisSN|35313]]SN|35313]], commonly known as Taraby, is a small deciduous shrub 1-2 m tall or a small tree up to 5 m tall with much-branched crown. The bole (caudex) is somewhat swollen and succulent near the base. Even when small, the fat, gnarled stems and small pinnate leaves make this species look like a miniature tree. The flowers are a bright yellow and similar to others in the family. Adult plants of Senna meridionalisSN|35313]]SN|35313]] resemble from a distance Alluaudia comosaSN|35431]]SN|35431]].
Stem: Main stem succulent (caudiciform). Twigs smooth, thick and rigid, tortuous
and zigzag, differentiated into long-shoots (auxiblasts) and short-shoots (brachyblasts).
Leaves: Pinnate, small, to 3 cm long; leaflets 3-6 pairs.
Flowers: Small, bright yellow.

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Bibliography: Major references and further lectures
1) Werner Rauh, Herman Schwartz “Succulent and xerophytic plants of Madagascar”, Volume 2 Strawberry Press, 1998
2) Bihrmann's Caudiciforms, Website: http://www.bihrmann.com/caudiciforms/
3) Protabase - Plant Resources of Tropical Africa., Website: http://www.prota.org
4) Tropical Plants Database, Ken Fern. tropical.theferns.info. 2018-08-12. <tropical.theferns.info/viewtropical.php?id=Senna+meridionalis>
5) CactiGuide.com, Succulent of the Week (2010-12-13) - Senna meridionalis, Website: http://cactiguide.com/forum/viewtopic.php?t=19813
6) "IUCN/TRAFFIC Analyses of the proposals to amend the CITES Appendices at the 16th meeting of the Conference of the Parties, Bangkok, Thailand, 3–14 March 2013", Website: https://www.traffic.org/site/assets/files/7515/cites-cop16-analysis-of-proposals.pdf
7) Bako H. Ravaomanalina, Andrilalao M. Rakotonavalona & Bakolimalala Rakouth, “Conservation status of some commercialized succulent species of Madagascar” Website:http://www.vahatra.mg/volume5/mn05_04.pdf

Senna meridionalis (llifle.com)

Senna, the sennas, is a large genus of flowering plants in the legume family (Fabaceae, subfamily Caesalpinioideae, tribe Cassieae ser. Aphyllae ). This diverse genus is native throughout the tropics, with a small number of species in temperate regions. The number of species is estimated to be from about 260 to 350. The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation.

Description

Plants in the genus Senna are shrubs, sometimes small trees or perennial herbs. The leaves are arranged alternately, paripinnate with up to 25 pairs of leaflets, each leaf with a stipule at the base, but that often falls off as the leaves mature. The flowers are arranged in racemes in leaf axils with bracts at the base. The flower has five egg-shaped green or yellowish sepals and five usually yellow, usually glabrous petals. There are usually ten stamens that are free from each other, the filaments of different lengths, and some are staminodes. The fruit is a leathery pod containing several seeds.

Species

As of June 2023, Plants of the World Online accepted the following species:

• Senna acanthoclada (Griseb.) H.S.Irwin & Barneby
• Senna acatlanensis C.Rojas-Mart. & A.Delgado
• Senna acclinis (F.Muell.) Randell – rainforest cassia, brush senna (New South Wales)
• Senna aciphylla (Benth. ex A.Gray) Randell – sprawling senna, Australian senna (eastern Australia)
• Senna aculeata (Pohl ex Benth.) H.S.Irwin & Barneby
• Senna acunae (Borhidi) A.Barreto & Yakovlev
• Senna acuparata H.S.Irwin & Barneby
• Senna acuruensis (Benth.) H.S.Irwin & Barneby
• Senna acutisepala (Benth.) H.S.Irwin & Barneby
• Senna affinis (Benth.) H.S.Irwin & Barneby
• Senna alata (L.) Roxb. – candlebush, Christmas candle
• Senna alexandrina Mill. – Alexandrian senna

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• Senna meridionalis (R.Vig.) Du Puy – Madagascar senna
• Senna mexicana (Jacq.) H.S.Irwin & Barneby – Mexican senna
• Senna mollissima (Humb. & Bonpl. ex Willd.) H.S.Irwin & Barneby
• Senna monilifera H.S.Irwin & Barneby
• Senna monozyx (H.S.Irwin & Barneby) H.S.Irwin & Barneby
• Senna montana (B.Heyne ex Roth) V.Singh
• Senna morongii (Britton) H.S.Irwin & Barneby
• Senna mucronifera (Mart. ex Benth.) H.S.Irwin & Barneby
• Senna multifoliolata (Paul G.Wilson) H.S.Irwin & Barneby
• Senna multiglandulosa (Jacq.) H.S.Irwin & Barneby – glandular senna, downy senna (Central and Southern America, introduced elsewhere)
• Senna multijuga (Rich.) H.S.Irwin & Barneby – November shower, false sicklepod (Central and Southern America, introduced elsewhere)
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• .S.Irwin & Barneby
• Senna viciifolia (Benth.) H.S.Irwin & Barneby
• Senna viguierella (Ghesq.) Du Puy
• Senna villosa (Mill.) H.S.Irwin & Barneby
• Senna viminea (L.) H.S.Irwin & Barneby
• Senna weddelliana H.S.Irwin & Barneby
• Senna williamsii (Britton & Rose) H.S.Irwin & Barneby
• Senna wislizeni (A.Gray) H.S.Irwin & Barneby
• Senna wurdackii H.S.Irwin & Barneby – Wislizenus' senna, shrubby senna

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Senna (plant) - Wikipedia

 

https://youtu.be/H-MRPyKMOUs?t=693