Floral visitors and reproductive success in two sequentially flowering<i>Lindera</i>shrubs (Lauraceae) of central Japan

Tokumoto, Yuji; Matsushita, Michinari; Kishimoto‐Yamada, Keiko; Nikkeshi, Aoi; Isogimi, Tomohiro; Nakagawa, Michiko

doi:10.1080/13416979.2018.1542764

Cited by 3 publications

(5 citation statements)

References 37 publications

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“…Regarding the Staphylinidae family, there are only 2 reported Lauraceae associations with Lindera spp. flowers (Dupont & Kato, 1999;Tokumoto et al, 2019) and P. americana wood (Peña et al, 2015). https://doi.org/10.…”

Section: Staphylinidae Aleocharinaementioning

confidence: 99%

Diversity of insects associated with the fruits of four tree species of Lauraceae from Los Tuxtlas region, Mexico: an annotated and illustrated taxonomic list

2022

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Besides recruitment and dispersal, fruits are key resources for the maintenance of insect communities. This study is focused on the insects inhabiting the fruits of 4 wild Lauraceae species. Although the trees of this family are important elements of tropical forests, their interaction with insects, especially in association with fruits, remains poorly studied in wild tree species. Our study aims to characterize the diversity of insects associated with fruits of Damburneya ambigens, Damburneya gentlei, Damburneya salicifolia, and Nectandra turbacensis, in the rainforest of Los Tuxtlas, Veracruz. We present an illustrated taxonomic list of species, annotated with a comprehensive review of the insects’ natural history and their interactions with Lauraceae species. We reared 54 insect species from approximately 6,500 fruits, some of which represent potential new species and records for Mexico. Insect species diversity was high and differed between Lauraceae species. The reared insects comprise a wide variety of distributional ranges, feeding types, and habitats. This research provides novel information about the interactions among insects and fruits of Lauraceae and the complexity of their trophic networks in tropical rainforests. Furthermore, it evidences the importance of wild fruits as resources for insect communities.

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Section: Staphylinidae Aleocharinaementioning

confidence: 99%

Diversity of insects associated with the fruits of four tree species of Lauraceae from Los Tuxtlas region, Mexico: an annotated and illustrated taxonomic list

2022

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“…Pliocene fossils of L. praecox, L. umbellata, and L. obtusiloba have been found in Japan [10], and Pleistocene fossils of L. glauca have been found [11]. The species flower in spring, from late February to early May, with each species flowering for 2-4 weeks [8,12]. The flowers, which are borne in pseudo-umbel-shaped inflorescences, are small (4-9 mm in diameter), dish-shaped, yellow or green in color, and unisexual, with sterile rudiments of the other sex [12].…”

Section: Focal Speciesmentioning

confidence: 99%

“…The sex ratio of populations of L. praecox, L. umbellata, and L. obtusiloba is approximately 1:1 in forests in western Japan [12]. Both male and female flowers attract insect pollinators, primarily Diptera and Coleoptera [8]. Regarding L. glauca, only female plants are found in Japan, but both males and females are found on the Asian Continent [17,18].…”

Section: Focal Speciesmentioning

confidence: 99%

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Genetic Diversity and Structure of Apomictic and Sexually Reproducing Lindera Species (Lauraceae) in Japan

Nakamura

Nanami

Okuno

et al. 2021

Forests

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Research Highlights: genetic diversity in populations were compared among related shrub species with different reproductive systems. Background and Objectives: Lindera species are dioecious trees or shrubs that produce seeds by mating of males and females. To evaluate the importance of genetic diversity for the persistence of natural populations, we compared genetic information among four Lindera species in Japan. Three are dioecious shrubs (Lindera praecox, Lindera umbellata, and Lindera obtusiloba) that produce seeds by sexual reproduction. The remaining species, Lindera glauca, reproduces by apomixis; only female plants are found in Japan. Materials and Methods: all four species were sampled across a wide geographic area, from Tohoku to Kyushu, Japan. Single nucleotide polymorphisms (SNPs) were detected by multiplexed ISSR genotyping by sequencing (MIG-seq) and the resulting genetic diversity parameters were compared among populations. Results: in all sexually reproducing species, the values of observed heterozygosity were close to the expected ones and the inbreeding coefficients were nearly 0. These results were supposed to be caused by their obligate outcrossing. The genetic difference increased, in ascending order, between a mother plant and its seeds, within populations, and across geographic space. We observed a substantial geographic component in the genetic structure of these species. For L. glauca, the genetic difference between a mother and its seeds, within populations, and across space were not significantly different from what would be expected from PCR errors. Genetic diversity within and among populations of L. glauca was extremely low. Conclusions: apomixis has the advantage of being able to found populations from a single individual, without mating, which may outweigh the disadvantages associated with the extremely low genetic diversity of L. glauca. This may explain why this species is so widely distributed in Japan. Provided that the current genotypes remain suited to environmental conditions, L. glauca may not be constrained by its limited genetic diversity.

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“…The maintenance of genetic diversity is important for the conservation of wild plant species, and successful cross-pollination plays a major role in gene flow to maintain the genetic diversity of plant populations [1][2][3][4][5][6][7][8][9], especially when a population is fragmented [5][6][7][8][9][10]. Additionally, pollination is a central issue in studies on plant-animal interactions [11][12][13][14][15], plant reproductive biology [15][16][17][18][19][20], and on improvement of agricultural production [15,[20][21][22][23][24][25][26][27][28]. For animal-pollinated flowers, pollination effectiveness differs among visitors of different species [3,5,[12][13][14][15]19,29].…”

Section: Introductionmentioning

confidence: 99%

Pollination Contribution Differs among Insects Visiting Cardiocrinum cordatum Flowers

Komamura

Koyama

Yamauchi

et al. 2021

Forests

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(1) Background: Cardiocrinum cordatum (Thunb.) Makino (Liliaceae) is a forest perennial herb distributed in East Asia. Although flower visitors for this plant species have been well reported, their contribution to pollination remains unknown. (2) Methods: We evaluated pollination contribution for visitors of C. cordatum flowers in a natural cool temperate forest. We investigated visiting frequency, the number of pollen grains per body surface, fruit set, and the mean number of seeds per fruit produced after a single visit of each visiting species. Combining the results of these experiments, we determined the most important pollinators of this species. (3) Results: For the population investigated in the study, the three most essential pollinators were the bumblebee (Bombus diversus tersatus) (Apidae), sweat bee (Halictidae sp.), and marmalade hoverfly (Episyrphus balteatus) (Syrphidae). Additionally, we found that the contribution of a flower-visiting ant species (Myrmica ruginodis Nylander (s.l.)) (Formicidae) is small. (4) Conclusions: Pollinator contributions differed among flower visitors. Our results underscore the insufficiency of current information about flower-visiting species to evaluate pollination contribution.

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Floral visitors and reproductive success in two sequentially floweringLinderashrubs (Lauraceae) of central Japan

Cited by 3 publications

References 37 publications

Diversity of insects associated with the fruits of four tree species of Lauraceae from Los Tuxtlas region, Mexico: an annotated and illustrated taxonomic list

Diversity of insects associated with the fruits of four tree species of Lauraceae from Los Tuxtlas region, Mexico: an annotated and illustrated taxonomic list

Genetic Diversity and Structure of Apomictic and Sexually Reproducing Lindera Species (Lauraceae) in Japan

Pollination Contribution Differs among Insects Visiting Cardiocrinum cordatum Flowers

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