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A New record of Elaeagnus (Elaeagnaceae) to Korean Flora: E. pungens Thunberg

한국 보리수나무속의 미기록 식물: 통영볼레나무

  • Son, OGyeong (Department of Life Science, Yeungnam University) ;
  • Koh, Jeong-eun (Animal and Plant Quarantine Agency, Incheon International Airport Regional Office) ;
  • Lee, Sangtae (Department of Biological Sciences, Sungkyunkwan University) ;
  • Park, SeonJoo (Department of Life Science, Yeungnam University)
  • Received : 2015.07.07
  • Accepted : 2015.09.07
  • Published : 2015.09.30

Abstract

Elaeagnus pungens Thunb., belongs to the family Elaeagnaceae, was recently recorded for the first time in Mt. Miruk, Tongyeong-si, Gyeongsangnam-do. The native distribution range of this species includes China and Japan in East Asia, while it is considered as an invasive species in North America. Elaeagnus pungens is related to E. glabra, but the species can be distinguished from its congeners by having revolute and repand leaf blades, silvery white and brown scales on the abaxial surface of the leaf, and a campanulate calyx. We propose the new Korean name 'Tong-yeong-bol-re-na-mu,' based on its first collecting site. A detailed description of vegetative and floral characteristics, trichome scanning electron micrographs, dichotomous keys, and the habitat of this species are also provided.

통영시 미륵산 용화사 근처에서 보리수나무과에 속하는 미기록 분류군인 통영볼레나무(Elaeagnus pungens Thunb.)가 발견되었다. 이 분류군은 중국과 일본 원산으로, 북아메리카에는 도입되어 분포하고 있다. 근연 분류군인 보리장나무(Elaeagnus glabra)와 비교하여 경침이 존재하며, 엽연은 파상형으로 뒤로 젖혀지고, 잎 뒷몃은 은백색 인모에 드물게 갈색 인모가 있으며, 꽃받침통은 종형의 형태를 가진다는 점에서 뚜렷이 구분된다. 국명은 채집지의 명칭을 따서 '통영볼레나무'로 명명하였으며, 형태적 특징의 기재, 생태사진, 도해, 표본사진 및 검색표를 제시하였다.

Keywords

References

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