| Relationship between floral longevity and sex allocation among flowers within inflorescences in Aquilegia buergeriana var. oxysepala (Ranunculaceae) T Itagaki, S Sakai American Journal of Botany 93 (9), 1320-1327, 2006 | 47 | 2006 |
| Variation in floral organ size depends on function A Ushimaru, T Itagaki, HS Ishii Evolutionary Ecology Research 5 (4), 615-622, 2003 | 30 | 2003 |
| Floral correlations in an andromonoecious species, Commelina communis (Commelinaceae) A Ushimaru, T Itagaki, HS Ishii Plant Species Biology 18 (2‐3), 103-106, 2003 | 22 | 2003 |
| Invasion history of Cardamine hirsuta in Japan inferred from genetic analyses of herbarium specimens and current populations S Matsuhashi, H Kudoh, M Maki, M Cartolano, M Tsiantis, T Itagaki, ... Biological invasions 18, 1939-1951, 2016 | 12 | 2016 |
| Species-specific nitrogen resorption proficiency in legumes and nonlegumes S Oikawa, Y Matsui, M Oguro, M Okanishi, R Tanabe, T Tanaka, ... Journal of plant research 133, 639-648, 2020 | 9 | 2020 |
| Intraflower variation in nectar secretion: Secretion patterns and pollinator behavior in male‐and female‐phase flowers A Misaki, T Itagaki, Y Matsubara, S Sakai American Journal of Botany 105 (5), 842-850, 2018 | 9 | 2018 |
| Effect of change in floral openness with floral age on floral display and reproduction in Gentiana Y Fusato, T Itagaki, M Oguro, S Sakai Acta Oecologica 67, 17-23, 2015 | 9 | 2015 |
| On the function of hermaphrodite florets in female inflorescences of Petasites japonicus (Asteraceae) S Sakai, Y Suzuki, T Itagaki, H Tsujisawa, TT Makino Botany 86 (2), 179-184, 2008 | 9 | 2008 |
| Florivory defence: are phenolic compounds distributed non-randomly within perianths? S Nakano, M Oguro, T Itagaki, S Sakai Biological Journal of the Linnean Society 131 (1), 12-25, 2020 | 6 | 2020 |
| Effects of the number of embryos in a seed and seed mass on seedling survival and growth in polyembryonic Ophiopogon japonicus var. umbrosus (Asparagaceae) C Oka, T Itagaki, S Sakai Botany 94 (4), 261-268, 2016 | 6 | 2016 |
| Intraspecific variation in morphology of spiny pollen grains along an altitudinal gradient in an insect‐pollinated shrub TM Hasegawa, T Itagaki, S Sakai Plant Biology 25 (2), 287-295, 2023 | 5 | 2023 |
| Differential self-fertilization rates in response to variation in floral traits within inflorescences of Aquilegia buergeriana var. oxysepala (Ranunculaceae) T Itagaki, MK Kimura, M Maki, S Sakai Botanical Journal of the Linnean Society 181 (2), 294-304, 2016 | 5 | 2016 |
| Inherited dimorphism in cleistogamous flower production in Portulaca oleracea: a comparison of 16 populations growing under different environmental conditions T Furukawa, T Itagaki, N Murakoshi, S Sakai Annals of Botany 125 (3), 423-431, 2020 | 4 | 2020 |
| Floral-induced and constitutive defense against florivory: a comparison of chemical traits in 12 herb species K Wakabayashi, M Oguro, T Itagaki, S Sakai Plant Ecology 219, 985-997, 2018 | 4 | 2018 |
| Selection for floral integration and trait variation in zygomorphic flowers of Aconitum japonicum ssp. subcuneatum (Ranunculaceae) T Itagaki, A Misaki, S Sakai Plant Ecology 221 (5), 347-359, 2020 | 3 | 2020 |
| Ovule and seed production patterns in relation to flower size variations in actinomorphic and zygomorphic flower species J Mochizuki, T Itagaki, Y Aoyagi Blue, M Ito, S Sakai AoB Plants 11 (5), plz061, 2019 | 2 | 2019 |
| Development of microsatellite markers for Aquilegia buergeriana var. oxysepala (Ranunculaceae), a vulnerable Japanese herb T Itagaki, MK Kimura, C Lian, S Sakai Plant species biology 30 (2), 159-162, 2015 | 2 | 2015 |
| Pollen morphology for successful pollination dependent on pollinator taxa in a generalist plant: relationship with foraging behavior TM Hasegawa, T Itagaki, S Sakai Oecologia 203 (1), 53-62, 2023 | 1 | 2023 |
| Effect of temporal changes in stamen position on reproductive success in flowers with many stamens: manipulations of stamen position A Sanuki, T Itagaki, S Sakai American Journal of Botany 110 (8), e16209, 2023 | 1 | 2023 |
| Attractiveness of floral traits to diverse pollinators in zygomorphic flowers of Isodon trichocarpus (Lamiaceae) T Itagaki, K Hoshi, Y Aoyagi Blue, S Sakai Biological Journal of the Linnean Society 136 (1), 13-22, 2022 | 1 | 2022 |
