댕강나무속 Abelia R. B_R.

1. 반상록관목이다 ························································································································448. 꽃댕강나무

1. 낙엽관목이다.

2. 꽃은 잔가지 끝에 1~2 개씩 달린다.

3. 꽃대축과 소화경의 길이는 비슷하다 ························································································449. 정선댕강나무

3. 소화경은 없거나 꽃대축보다 훨씬 짧다.

4. 가지에 털이 없거나 꼬부라진 털이 약간 있다.

5. 소화경은 길이 2-3mm 이다 ······························································································· 451. 털댕강나무

5. 소화경은 길이 0.5-1.5mm 이다  ··························································································450. 섬댕강나무

4. 가지에 꼬부라진 털이 있다 ·································································································452. 바위댕강나무

2. 꽃은 잔가지 끝에 2 개이상 달린다.

6. 꽃은 길이 3~5mm이며 가지에 털이 있다···················································································· 453. 줄댕강나무

6. 꽃은 길이 1cm 이상이다.

7. 꽃은 길이 1-2cm 이며 2~7 개씩 가지 끝에 달린다······································································ 454. 좀댕강나무

7. 꽃은 길이 2cm 이상이며 3개 이상씩 달리고 수술대에 털이 있다.

8. 잎에 톱니가 있으며 꽃잎 안에 누런 무늬가 있다 ···································································· 455. 주걱댕강나무

8. 가지에 털이 있으며 잎에 톱니가 없다  ······················································································456. 댕강나무