2024. 10. 13. 경남.
경작을 포기한 논자리에 수생식물들의 결실이 풍성하다.
미국외풀은 잎은 마주나고 장타원형으로 끝은 다소 무디고, 가장자리는 2~3쌍의 톱니 모양이다. 꽃자루는 잎보다 짧다.
미국외풀은 잎몸이 대개 도란형으로 가장자리에 뚜렷한 톱니가 있는 점에서 잎몸이 장타원형으로 톱니가 없는 밭둑외풀과 쉽게 구별되며, 잎몸이 피침형 또는 긴 장타원형으로 톱니가 낮은 논둑외풀, 잎몸이 삼각상 난형으로 톱니가 낮은 외풀과 구별된다.
외풀 : https://qweenbee.tistory.com/8888915 https://qweenbee.tistory.com/8901605
논둑외풀 : https://qweenbee.tistory.com/8888917 https://qweenbee.tistory.com/8894441
https://qweenbee.tistory.com/8901475 https://qweenbee.tistory.com/8906109
https://qweenbee.tistory.com/8911346
논둑외풀 열매 : https://qweenbee.tistory.com/8900013
밭둑외풀 : https://qweenbee.tistory.com/8894440 https://qweenbee.tistory.com/8901234
https://qweenbee.tistory.com/8905997 https://qweenbee.tistory.com/8905897
https://qweenbee.tistory.com/8906098
참새외풀 : https://qweenbee.tistory.com/8888916 https://qweenbee.tistory.com/8898465
https://qweenbee.tistory.com/8901473 https://qweenbee.tistory.com/8909609
https://qweenbee.tistory.com/8911347 https://qweenbee.tistory.com/8911444(열매)
미국외풀 : https://qweenbee.tistory.com/8905993 https://qweenbee.tistory.com/8905994
https://qweenbee.tistory.com/8905995 https://qweenbee.tistory.com/8906204
https://qweenbee.tistory.com/8909347 https://qweenbee.tistory.com/8911332
https://qweenbee.tistory.com/8911443
(나도)미국외풀 : https://qweenbee.tistory.com/8898463 https://qweenbee.tistory.com/8901229
https://qweenbee.tistory.com/8906099 https://qweenbee.tistory.com/8909521
가는미국외풀 : https://qweenbee.tistory.com/8896669 https://qweenbee.tistory.com/8898464
https://qweenbee.tistory.com/8911329
외풀속 잎 비교 - 밭둑외풀/논둑외풀/외풀/참새외풀/미국외풀/가는미국외풀/나도미국외풀:
https://qweenbee.tistory.com/8901474 https://qweenbee.tistory.com/8911330
외풀/밭둑외풀/논둑외풀/참새외풀/미국외풀/가는미국외풀/나도미국외풀 : https://qweenbee.tistory.com/8905857
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