Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Richardia brasiliensis Gomes (Rubiaceae), a New Invasive Alien Plant in Korea

미기록 침입외래식물: 멕시코백령풀(꼭두서니과)

  • 강은수 (국립수목원 산림생물다양성연구과) ;
  • 박범균 (국립수목원 산림생물다양성연구과) ;
  • 장영종 (국립수목원 산림생물다양성연구과) ;
  • 이성권 (제주생태관광지원센터 보전국) ;
  • 손동찬 (국립수목원 산림생물다양성연구과)
  • Received : 2021.10.15
  • Accepted : 2022.01.05
  • Published : 2022.04.01
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Abstract

Richardia brasiliensis Gomes was found in agricultural land in Susan-ri, Seogwipo-si, Jeju-do. Richardia L. is closely related to Diodia L. in Korea, those are confirmed to features of calyx, collora and fruit. This species is similar to R. scabra L., but it differs morphologically from the letter in surface structure of mericarp. The mericarp of R. brasiliensis has line like kneel at the adaxial, whereas R. scabra has groove at the adaxial. R. brasiliensis is recorded for the first time in this study and a morphological description, distribution map, and photographs are presented.

Richardia brasiliensis Gomes가 제주도 서귀포시 수산리의 경작지에서 발견되었다. Richardia L.는 국내에서 백령풀속(Diodia L.) 식물과 꽃받침, 꽃잎, 열매의 형태가 유사하다. R. brasiliensis는 R. scabra와 유사하나 종자의 표면 형태에 의해 뚜렷이 구분된다. R. brasiliensis 종자의 배축면은 돌기와 긴털로 덮여 있고, 향축면은 오목하게 들어가 중앙에 용골과 같은 선이 있는 반면, R. scabra 종자의 배축면과 향축면에는 돌기가 있지만, 털이 없으며, 향축면 중앙부에 좁은 홈이 있다. 본 연구에서는 미기록 식물인 R. brasiliensis의 자생지, 형태학적 기재, 분포도, 화상자료 및 검색표를 제시하였다.

Keywords

Acknowledgement

본 논문은 국립수목원 "기후변화에 따른 산림침입외래식물의 종분포 예측 및 경관유전학적 연구, KNA1-2-39, 21-2" 과제의 일환으로 수행되었습니다. 자생지 정보를 제공해주신 정은숙 선생님, 이성원 선생님과 도해를 맡아주신 김희수 선생님께 감사드립니다.

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