Diurnal hawk moth pollination of Melampyrum koreanum (Orobanchaceae) and the origin of this endemic Korean species

Sangjin Jo, Dong Keun Yi, Ki-Joong Kim

Research output: Contribution to journalArticle

Abstract

Melampyrum koreanum (Orobanchaceae) was described recently as an endemic species in Korea. This study examined the distribution range, relationship with the host plant, flower developmental pattern, pollinator, pollination mechanism, and seed development of M. koreanum (Orobanchaceae) on the island of Somaemul-do, Korea. M. koreanum is hemiparasitic and a strong candidate for its host plant is Pinus thunbergii, with which it is distributed sympatrically. The flower of M. koreanum represents a typical hawk moth pollination syndrome. Macroglossum pyrrhostictum Butler (Sphingidae, Lepidoptera), a diurnal hawk moth, is the only efficient pollinator. The proboscis length of M. pyrrhostictum and the floral tube length of M. koreanum are well coordinated, and the positions of the anther and stigma of M. koreanum are mechanically conformed to hawk moth pollination. The results suggest that adaptation to the pollinator is the main factor that has affected the evolution of the longer floral tube of M. koreanum compare to other species. Pollinator conservation in the native range of M. koreanum is an important issue for the conservation of endemic plant species, and it is necessary to establish a conservation plan for the host plant, Pinus thunbergii, as well as M. koreanum.

Original languageEnglish
Pages (from-to)31-38
Number of pages8
JournalPhytotaxa
Volume172
Issue number1
DOIs
Publication statusPublished - 2014 Jun 11

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Melampyrum
Orobanchaceae
Sphingidae
pollinating insects
pollinator
endemic species
pollination
moth
Pinus thunbergii
host plant
host plants
Korean Peninsula
flower
flowers
proboscis
seed development
stigma
anthers
indigenous species
Lepidoptera

ASJC Scopus subject areas

  • Plant Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

Diurnal hawk moth pollination of Melampyrum koreanum (Orobanchaceae) and the origin of this endemic Korean species. / Jo, Sangjin; Yi, Dong Keun; Kim, Ki-Joong.

In: Phytotaxa, Vol. 172, No. 1, 11.06.2014, p. 31-38.

Research output: Contribution to journalArticle

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