Seed morphology of the native species of the genus Ribes L. Part 2. The characteristics of individual species

In this work the results of studies on the seed morphology of 6 native species of the genus Ribes L.: R. uva-crispa L., R. nigrum L., R. alpinum L., R. petraeum Wulfen, R. rubrum L. and R. spicatum Robson are presented. The diagnostic features of the investigated seeds are: colour and sarcotesta str...

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Bibliographic Details
Published in:Acta Societatis Botanicorum Poloniae 2002-01, Vol.71 (1), p.5-16
Main Author: Wrońska-Pilarek, Dorota
Format: Article
Language:English
Subjects:
fruit morphology
Grossulariaceae
Indigenous species
Morphology
Native species
Parenchyma
Ribes
Ribes alpinum
Ribes nigrum
Ribes petraeum
Ribes spicatum
Ribes uva-crispa
seed morphology
Seeds
SEM
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Summary:In this work the results of studies on the seed morphology of 6 native species of the genus Ribes L.: R. uva-crispa L., R. nigrum L., R. alpinum L., R. petraeum Wulfen, R. rubrum L. and R. spicatum Robson are presented. The diagnostic features of the investigated seeds are: colour and sarcotesta structure, aril size, seed coverage by arils, seed outline and the length to width ratio. The complex of these features allows to differentiate such species, as R. uva-crispa, R. nigrum and R. alpinum. The other species: R. petraeum, R. rubrum and R. spicatum can not be seperated, on the basis of the seed. Within the seeds devoid of outer parenchyma) layers of exotesta only the seeds of R. uva-crispa and R. nigrum can be seperated. Then the seeds of other species look the same. Two keys to determine the seeds of the investigated species, based on the fruit features, fresh seeds and "cleaned" seeds form the recapitulation of the work.
ISSN:0001-6977
2083-9480
DOI:10.5586/asbp.2002.001