기름새속 Spodiopogon TRlN.
1. 화서지는 처진다. 소수는 축에서 떨어진다 ·······························································································58. 기름새
1. 화서지는 처지지 않는다. 소수는 꽃대축과 같이 떨어진다 ··········································································59. 큰기름새