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Published In: Species Plantarum 2: 776. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: A genus with about 70 species, having its centre of distribution along the Mediterranean; represented in Pakistan by 16 species.
Comment/Acknowledgements: Excluded Species

Trigonella dimorpha Blatter in J.Ind.Bot.Soc.9:204.1930.

Trigonella longi-pedunculata Blatter in J. Ind.Bot.Soc.9:204.1930.

Trigonella lasia Blatter in J. Bomb.Nat.Hist.Soc.36:479.1933.

Trigonella psilorhynchos Blatter in J. Bomb.Nat.Hist.Soc.36: 479. 1933.

The types or any other authentic material is presently untraceable, hence the identity of the above-mentioned species could not be determined.


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Annual herbs. Leaf pinnately trifoliolate, leaflets usually dentate; stipules adnate to petiole. Inflorescence solitary axillary or a head, or spike or short raceme. Bracts minute, bracteoles absent. Calyx teeth equal or unequal. Corolla yellow, blue or purplish, free from the staminal tube, deciduous. Stamens diadelphous, 9+1 or monadelphous, anthers uniform. Ovary sessile or stipitate, ovules numerous, style glabrous, stigma terminal. Fruit linear or oblong, straight or arcuate, dehiscing along one suture or indehiscent, continuous within, 1-many seeded.

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1 Fruit cylindrical (2)
+ Fruit not cylindrical (c. 2 cm long) (9)
2 (1) Fruit less than 2 cm long (slightly curved) (3)
+ Fruit more than 2 cm long (6)
3 (2) Fruit not wavy (4)
+ Fruit wavy Trigonella anguina
4 (3) Inflorescence subsessile
+ Inflorescence pedunculate (5)
5 (4) Fruit slightly arcuate, c.1 cm or less long Trigonella hamosa
+ Fruit arcuate, more than 1 cm long Trigonella uncata
6 (2) Fruit not beaded, veins transverse and oblique (7)
+ Fruit with a long bead, veins not transversely oriented Trigonella foenum-graecum
7 (6) Inflorescence pedunculate
+ Inflorescence sessile (8)
8 (7) Fruit more than 3 cm long
+ Fruit 3 cm or less long Trigonella orthoceras
9 (1) Fruit not sickle-shaped (10)
+ Fruit sickle-shaped Trigonella corniculata
10 (9) Fruit more than 4 mm long (11)
+ Fruit c. 3.5-4.0 mm long Trigonella occulta
11 (10) Mature fruit glabrous (12)
+ Fruit pilose Trigonella pubescens
12 (11) Stipules serrate, foliaceous (13)
+ Stipules linear (slightly serrate sometimes), not foliaceous Trigonella gracilis
13 (12) Calyx length less than half the corolla (14)
+ Calyx length more than half the corolla (vexillum and wing longer than keel) Trigonella emodi
14 (13) Vexillum longer than the keel (15)
+ Vexillum equal to or shorter than the keel (16)
15 (14) Wing longer than the keel Trigonella fimbriata
+ Wing shorter than the keel Trigonella gharuensis
16 (14) Fruit stalk c. 1-2 mm long, shorter than the calyx cup; fruit 11-16 mm long, c. 4-5 mm broad Trigonella cachemiriana
+ Fruit stalk c. 4.5-5 mm long, longer than the calyx cup; fruit 11-12 mm long, c. 6-6.5 mm broad Trigonella podperae
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