Mimosa

Key to Indian species of Genus Mimosa except Mimosa diplotricha
1a. Rachis shorter than 5 cm ….  (2)
1b. Rachis longer than 5 cm …. (3)
 
2a. Pinnae 1-2 pairs, clustered (digitate) at tip of rachis; leaflets 12-20 pairs; pod glabrous, 3-5 seeded …….    Mimosa pudica
2b. Pinnae 3-5 pairs, spaced on rachis; leaflets 6-10 pairs; pod velvety, 5-8 cm long, 5-8 seeded; sutures prickly..…   Mimosa hamata
 
3a. Sutures of pod with strong recurved prickles; leaflets semicordate at base ………. (4)
3b. Sutures of pod with few small or no prickles; leaflets semireactangular at base… (5)
 
4a. Pinnae 3-5 pairs about 2 cm apart; leaflets 4-5 pairs, distant; pods usually acute at tip, 15 mm broad ……….   Mimosa polyancistra
4b. Pinnae 5-7 pairs about 12 mm apart; leaflets 7-8 pairs, approximate; pods obtuse at tip, 10-12 mm broad …………. Mimosa prainiana
 
5a. Pinnae 4-6 pairs; leaflets 10-15 pairs, 10-18 mm long; pod 15-18 mm broad ..…..  Mimosa rubicaulis
5b. Pinnae 6 or more pairs; leaflets 12 or more pairs, less than 12 mm long; pod  less than 12 mm broad ……. (6)
 
6a. Pinnae 6-8 pairs; leaflets 12-18 pairs, 8-10 mm long; pod much curved, 8-10 mm broad …. Mimosa barberi
6b. Pinnae 8-12 pairs, leaflets 16-20 pairs, 5-8 mm long; pods little curved, 10-12 mm broad …… Mimosa himalayana
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Mimosa diplotricha Sauvalle (India (I); Karnataka ; Kerala ; Tamil Nadu and other countries as per ILDIS) (Stem with prickles- pinnae (3)- 7 or 10 as per Flora of China and 4 to 9 pinnae as per Factsheet)

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Mimosa diplotricha var. inermis (Adelb.) M.K. Alam & M. Yusof (Indonesia (N) ; Irian Jaya (N); Jawa (N); Mauritius (I); Papua New Guinea (N); Sri Lanka (I) as per ILDIS) (Stem without prickles- pinnae (3)- 7 or 10 as per Flora of China)

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Mimosa (‎‎‎‎‎‎‎‎‎‎Fabaceae (Leguminosae)‎) page with images of species in efloraofindia : 1 post by 1 author.
Pl. go through ‎Mimosa (‎‎‎‎‎‎‎‎‎‎‎Fabaceae (Leguminosae)‎) page with images of species in efloraofindia.
If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.