Five pollination guilds of aroids (Araceae) at Mulu National Park (Sarawak, Malaysian Borneo)

Chai, Shong Kian; Wong, Sin Yeng

doi:10.1080/00837792.2019.1653425

Cited by 14 publications

(16 citation statements)

References 54 publications

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“…The flowering time of S. ahmadii occurred later than the other studied species and thus its heat production occurred two to three hours later with a prolonged second heat production up to 4.5 hours. All investigated aroid taxa ( Aglaonema, Alocasia, Anadendrum, Homalomena , and Phymatarum ) in the region (Sarawak) are diurnal flowering plants with the anthesis beginning as early as 0400 h; only a few species flowered later in the day (Chai & Wong 2019, Low et al 2014, 2016), such as Schismatoglottis pellucida S.Y.Wong, P,C.Boyce and S.K.Chai and Bucephalandra muluensis (M.Hotta) S.Y.Wong & P.C.Boyce, flowering around mid‐morning and noon, respectively. The delay in the flowering might be related to the pollen vector competition among Schismatoglottideae taxa (one of the taxonomically most diverse and species‐rich aroid tribes in Borneo; Boyce et al 2010, Low et al 2018).…”

Section: Discussionmentioning

confidence: 99%

Thermogenesis in four species of Schismatoglottis Calyptrata Clade (Schismatoglottideae: Araceae)

2020

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Spadix temperature was measured in Schismatoglottis ahmadii, S. lowiae, S. sp. nov., and S. wallichii. The anthesis of S. lowiae, S. sp. nov., and S. wallichii started just after dawn but in S. ahmadii, it began two hours later. Spadix temperatures of the four species increased at the beginning of each of the two successive flowering mornings, corresponding respectively to the pistillate and staminate phases of anthesis. The appendices of S. ahmadii, S. lowiae, and S. sp. nov. underwent the highest temperature increases (average 9.5°C above ambient air) compared to the staminate zone (6.5°C above ambient air); almost no thermogenic activity was recorded in the pistillate zone (0.4°C above ambient air). In inflorescences of S. wallichii, in which the spadix lacks an appendix, the pistillate zone also heated up (2.3°C above ambient air), together with the sterile (2.6°C above ambient air) and the staminate zones (5.2°C above ambient air). Thermogenic patterns varied across species owing to differences in timing of anthesis or spadix structures. The absence of an appendix (sterile floral tissue) in S. wallichii, is not only partially compensated by heat production from the (intermediate) sterile zone but also heat production from the pistillate zone, recorded here for the first time in Tribe Schismatoglottideae.

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Section: Discussionmentioning

confidence: 99%

Thermogenesis in four species of Schismatoglottis Calyptrata Clade (Schismatoglottideae: Araceae)

2020

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“…Kunth and A. variabilis Bl. are considered specialists, pollinated by a single beetle species (van der Pijl 1937;Sivadasan and Sabu 1989;Beath 1996;Punekar and Kumaran 2010;Chai and Wong 2019).…”

Section: Pollinatorsmentioning

confidence: 99%

The many elusive pollinators in the genus Amorphophallus

Claudel

2021

Arthropod-Plant Interactions

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The genus Amorphophallus encompasses some 230 species and is one of the largest genera of the Araceae family. Most species release scents, smelling of carrion, faeces, dung and similar nauseating odours for pollinator attraction and are therefore considered to have evolved a deceptive pollination syndrome. Some of the most iconic members of the genus, such as the A. titanum and A. gigas, are considered to be carrion mimics. Copro-necrophagous insects, beetles and flies in particular, are attracted by these scents and are therefore assumed to act as pollinators. However, many reports and observations on Amorphophallus pollinators are anecdotal in nature or do not distinguish between legitimate pollinators and non-pollinating visitors. Moreover, some published observations are not readily accessible as they are many decades old. Therefore, the available data and information about insect visitors and/or pollinators in the genus Amorphophallus is compiled, reviewed and discussed.

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“…Thrips were also listed as pollinators for D. griffithii (Lee et al 2002). Thrips are important pollinators in other tropical plant families (Heckenhauer et al 2018;Chai and Wong 2019).…”

Section: Pollinatorsmentioning

confidence: 99%

Floral biology and pollination strategy of Durio (Malvaceae) in Sarawak, Malaysian Borneo

Wong

2020

Biodiversitas

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Abstract. Ng WS, Mohd-Azlan J, Wong SY. 2020. Floral biology and pollination strategy of Durio (Malvaceae) in Sarawak, Malaysian Borneo. Biodiversitas 21: 5579-5594. This study was carried out to investigate on the flowering mechanisms of four Durio species in Sarawak. The anthesis started in the afternoon (D. graveolens and D. zibethinus), evening (D. kutejensis) or midnight (D. griffithii); and lasted between 11.5 hours (D. griffithii) to 20 hours (D. graveolens). All four Durio species are generalists. Individuals of a fruit bat (Eonycteris spelaea, Pteropodidae) are considered as the main pollinator for D. graveolens, D. kutejensis, and D. zibethinus while spiderhunter (Arachnothera, Nectariniidae) is also proposed as a primary pollinator for D. kutejensis. Five invertebrate taxa were observed as secondary or inadvertent pollinators of Durio spp.: honeybee, Apis sp. (Apidae), stingless bee, Tetrigona sp. (Apidae), nocturnal wasp, Provespa sp. (Vespidae), pollen beetle (Nitidulidae), and thrip (Thysanoptera). Honey bees and stingless bees pollinated all four Durio species. Pollen beetles were found to pollinate D. griffithii and D. graveolens while nocturnal wasps were found to pollinate D. kutejensis and D. zibethinus. Thrips were found to pollinate D. griffithii only. Floral rewards include nectar, pollen and staminodes. The nectar production of D. graveolens, D. kutejensis, and D. zibethinus increased from the start of anthesis until just after midnight but decreased from then onwards. Durio griffithii produced consistent nectar concentration with inconsistent volume. Durio graveolens, D. griffithii, and D. zibethinus are partially self-incompatible.

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Five pollination guilds of aroids (Araceae) at Mulu National Park (Sarawak, Malaysian Borneo)

Cited by 14 publications

References 54 publications

Thermogenesis in four species of Schismatoglottis Calyptrata Clade (Schismatoglottideae: Araceae)

Thermogenesis in four species of Schismatoglottis Calyptrata Clade (Schismatoglottideae: Araceae)

The many elusive pollinators in the genus Amorphophallus

Floral biology and pollination strategy of Durio (Malvaceae) in Sarawak, Malaysian Borneo

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