Cockroach pollination and breeding system of Uvaria elmeri (Annonaceae) in a lowland mixed-dipterocarp forest in Sarawak

Tropical forest plants are known to be pollinated by a diverse array of animals. Here we report on the pollination of a woody climber species, Uvaria elmeri (Annonaceae), by cockroaches in a lowland mixed-dipterocarp forest in Sarawak, Malaysia. To the best of our knowledge, this is the first report...

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Veröffentlicht in:American journal of botany 1997-02, Vol.84 (2), p.208-213
Hauptverfasser: Magamitsu, T. (Forestry and Forest Products Research Institute, Ibaraki, Japan.), Inoue, T
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Inoue, T
description Tropical forest plants are known to be pollinated by a diverse array of animals. Here we report on the pollination of a woody climber species, Uvaria elmeri (Annonaceae), by cockroaches in a lowland mixed-dipterocarp forest in Sarawak, Malaysia. To the best of our knowledge, this is the first report of pollination by cockroaches. The cauliflorous flowers in the understory are protogynous and bloomed for 50 h. An odor similar to decayed wood or a mushroom was secreted by flowers and was stronger during the male stage. Pollinators were cockroaches (Blattellidae) and drosophilid flies (Drosophilidae). Cockroaches, the main pollinators, visited flowers during both female and male stages at night, feeding on stigmatic exudate and pollen. Drosophilids, the secondary pollinators, mainly visited female-stage flowers during daytime, fed on stigmatic exudate, and laid eggs on stigmas. Neither autogamy nor self-compatibility was observed. Fruit production appeared to be pollen-limited. The fruit set, which was 2% of flowers in natural condition, was significantly lower than the 30% fruit set obtained by artificial cross-pollination. We discuss the traits of cockroaches as pollinators and the breeding system of U. elmeri
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(Forestry and Forest Products Research Institute, Ibaraki, Japan.)</creatorcontrib><creatorcontrib>Inoue, T</creatorcontrib><title>Cockroach pollination and breeding system of Uvaria elmeri (Annonaceae) in a lowland mixed-dipterocarp forest in Sarawak</title><title>American journal of botany</title><addtitle>Am J Bot</addtitle><description>Tropical forest plants are known to be pollinated by a diverse array of animals. Here we report on the pollination of a woody climber species, Uvaria elmeri (Annonaceae), by cockroaches in a lowland mixed-dipterocarp forest in Sarawak, Malaysia. To the best of our knowledge, this is the first report of pollination by cockroaches. The cauliflorous flowers in the understory are protogynous and bloomed for 50 h. An odor similar to decayed wood or a mushroom was secreted by flowers and was stronger during the male stage. Pollinators were cockroaches (Blattellidae) and drosophilid flies (Drosophilidae). 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(Forestry and Forest Products Research Institute, Ibaraki, Japan.)</au><au>Inoue, T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cockroach pollination and breeding system of Uvaria elmeri (Annonaceae) in a lowland mixed-dipterocarp forest in Sarawak</atitle><jtitle>American journal of botany</jtitle><addtitle>Am J Bot</addtitle><date>1997-02</date><risdate>1997</risdate><volume>84</volume><issue>2</issue><spage>208</spage><epage>213</epage><pages>208-213</pages><issn>0002-9122</issn><eissn>1537-2197</eissn><coden>AJBOAA</coden><abstract>Tropical forest plants are known to be pollinated by a diverse array of animals. Here we report on the pollination of a woody climber species, Uvaria elmeri (Annonaceae), by cockroaches in a lowland mixed-dipterocarp forest in Sarawak, Malaysia. To the best of our knowledge, this is the first report of pollination by cockroaches. The cauliflorous flowers in the understory are protogynous and bloomed for 50 h. 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subjects ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
ANNONACEAE
BIOLOGICAL RHYTHMS
BLATTARIA
Blattodea
Botany
breeding system
Cockroaches
CROSS POLLINATION
DARKNESS
dipterocarp forest
DROSOPHILIDAE
FLEUR
FLORES
Flower stigma
FLOWERS
Flowers & plants
Forest ecology
FRUCTIFICACION
FRUCTIFICATION
FRUIT SET
FRUITING
Fruits
GINECEO
GYNECEE
GYNOECIUM
Insects
OBSCURIDAD
OBSCURITE
ODEUR
ODORS
OLOR
OVIPOSICION
OVIPOSITION
PLANT ANATOMY
Plant reproduction
Plants
POLINIZACION
POLINIZACION CRUZADA
POLINIZADORES
Pollen
Pollen tubes
Pollinating insects
POLLINATION
pollinator
POLLINATORS
POLLINISATEUR
POLLINISATION
POLLINISATION CROISEE
PONTE
Reproductive Biology
RITMOS BIOLOGICOS
RYTHME BIOLOGIQUE
SARAWAK
SMELL
STIGMA
Uvaria elmeri
title Cockroach pollination and breeding system of Uvaria elmeri (Annonaceae) in a lowland mixed-dipterocarp forest in Sarawak
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