Drup and seed morphology of the Berchemia and Berchemiella (Rhamnaceae) and its systematic significanc

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Title
Drup and seed morphology of the Berchemia and Berchemiella (Rhamnaceae) and its systematic significanc
Author(s)
R X Wei; Z Y Zhang; Y L Chen; Joongku Lee
Bibliographic Citation
Guihaia, vol. 34, no. 5, pp. 589-595
Publication Year
2014
Abstract
Drupes and seeds of 17 species in Berchemia and Berchemiella (Rhamnaceae)were investigated under SEM and LM. The present study indicated that the drupe of Berchemiella is 1-loculed with one seed,and the drupes are 2-loculed,each locule with one seed in the most species of Berchemia. However,the drupe is 2-locular,but one locule big and with single seed,another locule small and without seed in B. polyphylla. This species may be a transitional taxon between Berchemiella and Berchemia. Seed shape of Berchemia and Berchemiella is usually irregularly long-ellipsoidal. Seed coat sculpture can be divided into three major types,i. e. smooth or almost smooth,indistinctly or sparsely striate with low striae,distinctly striate or sulcate. The differences in seed coat sculpture among species are of taxonomic significance for identifying some species in these two genera.
Keyword
drupeseedcomparative anatomyBerchemiaBerchemiellaRhamnaceaesystematics
ISSN
1000-3142
Publisher
Guangxi zhi wu yan jiu suo
DOI
http://dx.doi.org/10.3969/j.issn.1000-3142.2014.05.003
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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