KEY TO INDIAN SPECIES OF BERGIA L.

1. Plants pubescent .......................................................................................................................................... 2

— Plants glabrous ............................................................................................................................................ 5

2. Petals 3, sepals 3; stamens 3 ............................................................................. B. trimera Fisch. & C.A. Mey.

— Petals 5, sepals 5; stamens 5-10 ................................................................................................................... 3

3. Stamens 5; flowers> 15 per node .............................................................................. B. ammannioides Roxb.

— Stamens 10; flowers <10 per node .............................................................................................................. 4

4. Perennial; aromatic; leaves sessile, pubescent; petals obtuse .................................. B. suffruticosa (Delile) Fenzl

— Annual; nonaromatic; leaves petiolate, glabrous; petals acute, mucronate ...................................................................................................................................................... B. cuddalorensis S. Soosairaj, sp. nov.

5. Undershrub; stipules glandular; sepals denticulate; style straight ............... B. aestivosa (Wight & Arn.) Steud.

— Herb; stipules eglandular; sepals entire; style recurved ................................................................................. 6

6. Plants succulent; stipules pectinate; flowers in a cluster ............................................................. B. capensis L.

— Plants not succulent; stipules fimbriate; flowers solitary or in pairs ..................................... B.polyantha Sond.