Uniyala H.Rob. & Skvarla

Kumar, Ettickal Sukumaran Santhosh, Shareef, Sainudeen Muhammed & Filimban, Faten Zubair, 2025, Uniyala keralensis (Asteraceae), a new species from Kerala, India, Phytotaxa 689 (2), pp. 277-284 : 282

Key to the species of Uniyala H.Rob. & Skvarla

1. Leaves thinly to dense tomentose to lanate abaxially ........................................................................................................................2

- Leaves subglabrous to thinly pubescent abaxially ...........................................................................................................................10

2. Achenes with wings................................................................................................................................................. U. multibracteata

- Achenes without wings.......................................................................................................................................................................3

3. Heads with 5–15 florets......................................................................................................................................................................4

- Heads with 25–40 florets....................................................................................................................................................................8

4. Outer pappus hairs subulate........................................................................................................................................... U. bourneana

- Outer pappus hairs paleaceous ...........................................................................................................................................................5

5. Heads with 5–6 florets..................................................................................................................................................... U. gossypina

- Heads with 10–15 florets....................................................................................................................................................................6

6. Leaves restricted to and strongly congested at branch tip............................................................................................... U. salviifolia

- Leaves not restricted to and strongly congested at branch tip, evenly distributed.............................................................................7

7. Achenes oblong, 5-angled, white glandular ................................................................................................................. U. malabarica

- Achenes pyriform, compressed, 4–5-ribbed, eglandular........................................................................................... U. comorinensis

8. Achenes with few to many setulae and glands...................................................................................................................................9

- Achenes glabrous or with a pair of setulae and no glands .............................................................................................. U. keralensis

9. Leaves oblanceolate, to 5 × 1.5 cm, restricted to and strongly congested at branch tip .............................................. U. bourdillonii

- Leaves elliptic-lanceolate, to 12 × 4 cm, not restricted to or strongly congested at branch tip ...................................... U. wightiana

10. Inflorescence usuallywith 1–4 heads.................................................................................................................................... U. anceps

- Inflorescence usually with 8–15 heads.............................................................................................................................................11

11. Leaves elliptic-lanceolate, to 10–12 × 3–4 cm, achenes 4–5-angled, smooth and glandular........................................ U. anamallica

- Leaves linear-lanceolate, 4–6 × 0.6–0.8, achenes 5-costate, sparsely pubescent between the ribs............................. U. ramaswamii