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Alphonsea glandulosa (Annonaceae), a New Species from Yunnan, China.


ABSTRACT: Alphonsea glandulosa sp. nov. is described from Yunnan Province in south-west China. It is easily distinguished from all previously described Alphonsea species by the possession of glandular tissue at the base of the adaxial surface of the inner petals. Nectar was observed throughout the flowering period, including the pistillate phase and subsequent staminate phase. Small curculionid beetles were observed as floral visitors and are inferred to be effective pollinators since they carry pollen grains. A phylogenetic analysis was conducted to confirm the placement of this new species within Alphonsea and the evolution of the inner petal glands and specialized pollinator reward tissues throughout the family.

SUBMITTER: Xue B 

PROVIDER: S-EPMC5287484 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Alphonsea glandulosa (Annonaceae), a New Species from Yunnan, China.

Xue Bine B   Shao Yun-Yun YY   Saunders Richard M K RM   Tan Yun-Hong YH  

PloS one 20170201 2


Alphonsea glandulosa sp. nov. is described from Yunnan Province in south-west China. It is easily distinguished from all previously described Alphonsea species by the possession of glandular tissue at the base of the adaxial surface of the inner petals. Nectar was observed throughout the flowering period, including the pistillate phase and subsequent staminate phase. Small curculionid beetles were observed as floral visitors and are inferred to be effective pollinators since they carry pollen gr  ...[more]

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