Emilia species

Wang, Jen-Yu & Wang, Jenn-Che, 2018, Emerging natural hybrid between Invasive Species and Native Congener of Emilia (Asteraceae) Found in Northern Taiwan, Phytotaxa 382 (2), pp. 204-212 : 211

Key to Emilia species in Taiwan

1. Pollen grains white; corolla lobes shorter than 1.5 mm; florets exceeding involucre less than 2 mm; leaves deeply lyrate............... .................................................................................................................................................................. E. sonchifolia var. javanica

- Pollen grains yellow or orange; corolla lobe longer than 1.5 mm, florets exceeding involucre more than 2 mm; leaves rarely lyrate......................................................................................................................................................................................................2.

2. Florets shorter than 10 mm; involucre glabrous; stigma orange ....................................................................................... E. fosbergii

- Florets longer than 10 mm; involucre pubescent; stigma pink or yellow.........................................................................................3.

3. Corolla pink; stigma pink; achenes sterile.......................................................................................................................... E. × latens

- Corolla yellow with pink edge; stigma yellow; achenes fertile ................................................................................. E. praetermissa