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Table 2 Population sizes and physical conditions of Toona sinensis of 20 populations examined in South Korea during flowering season (June to July) for 5 years (2011–2015). Inflorescences of a total of 48 individuals were observed or collected among 106 individuals in these populations. Data on annual mean temperature and precipitation (1980–2010) were obtained from Korea Meteorological Administration (KMA)

From: A rare duodichogamous flowering system in monoecious Toona sinensis (Meliaceae)

Population Population size Alt. (m) Weather observatory location Temp. (°C) Precip. (mm) Examined year
Chuncheon 6 126 Chuncheon 11.1 1347.3 2011
Yeongok 5 10 Gangneung 13.1 1464.5 2011
Gangneung 2 10 2011, 2013
Seongsan 5 58 2011
Suwon 1 39 Suwon 12.0 1312.3 2011
Daebudo 10 20 Incheon 12.1 1234.4 2011, 2014, 2015
Yeongheungdo 27 10 2011, 2014, 2015
Taean 4 40 Seosan 11.9 1285.7 2011
Uljin 2 10 Uljin 12.6 1119.0 2011
Cheongsong 1 309 Euiseong 11.2 1031.7 2011
Mirayng 2 10 Miryang 13.3 1229.4 2011, 2014, 2015
Yangsan 1 30 2011
Wanju 5 30 Jeonju 13.3 1313.1 2011
Jeongeup 5 22 Jeongeup 13.1 1317.3 2011
Namwon 2 322 Namwon 12.3 1380.4 2011, 2014, 2015
Beopseong 5 10 Gwangju 13.8 1391.0 2011
Yeonggwang 14 20 2011, 2014, 2015
Nampyeong 3 14 2011
Donggang 3 22 2011
Boseong 3 50 Jangheung 13.0 1505.6 2011, 2014, 2015
  1. Alt. altitude, Temp. mean annual temperature, Precip. mean annual precipitation