Floral features of two species of Bulbophyllum section Lepidorhiza Schltr.: B. levanae Ames and B. nymphopolitanum Kraenzl. (Bulbophyllinae Schltr., Orchidaceae)

Natalia Wiśniewska , Agnieszka Kowalkowska , Małgorzata Kozieradzka-Kiszkurno , Agnieszka T. Krawczyńska , Jerzy Bohdanowicz

Abstract

Two representatives of section Lepidorhiza, previously sometimes considered conspecific, Bulbophyllum levanae and Bulbophyllum nymphopolitanum, demonstrated both similarities and differences in floral features. There were significant differences in the length of sepals and micromorphological features of the labellum. In both species, osmophores are located on the extended apices of sepals and possibly on petals. An abundance of proteins in tepals is probably associated with the unpleasant scent of the flowers, whereas the thin wax layers on the epidermis are probably involved in the maintenance of the brilliance of floral tepals, which strongly attracts flies. In all tepals of both species, we noted the presence of dihydroxyphenolic globules in the cytoplasm after staining with FeCl3. Comparison with ultrastructure results revealed that they were associated with plastids containing plastoglobuli. The most remarkable feature was the presence of a prominent periplasmic space in the epidermal cells of both investigated species. Furthermore, in the labellum of B. levanae, the cuticle contained microchannels. The combination of periplasmic space and microchannels has not previously been recorded.
Author Natalia Wiśniewska (FB/DPCE)
Natalia Wiśniewska ,,
- Department of Plant Cytology and Embryology
, Agnieszka Kowalkowska (FB/DPCE)
Agnieszka Kowalkowska,,
- Department of Plant Cytology and Embryology
, Małgorzata Kozieradzka-Kiszkurno (FB/DPCE)
Małgorzata Kozieradzka-Kiszkurno,,
- Department of Plant Cytology and Embryology
, Agnieszka T. Krawczyńska
Agnieszka T. Krawczyńska,,
-
, Jerzy Bohdanowicz (FB/DPCE)
Jerzy Bohdanowicz,,
- Department of Plant Cytology and Embryology
Journal seriesProtoplasma, ISSN 0033-183X, (A 30 pkt)
Issue year2018
Vol255
No2
Pages485-499
Publication size in sheets0.70
Keywords in EnglishBulbophyllum, Bulbophyllum levanae, Bulbophyllum nymphopolitanum, histochemistry, Lepidorhiza, micromorphology, Orchidaceae, ultrastructure
ASJC Classification2700 General Medicine; 1110 Plant Science; 1307 Cell Biology
DOIDOI:10.1007/s00709-017-1156-2
URL https://link.springer.com/content/pdf/10.1007%2Fs00709-017-1156-2.pdf
Languageen angielski
Score (nominal)30
Score sourcejournalList
ScoreMinisterial score = 30.0, 28-01-2020, ArticleFromJournal
Publication indicators WoS Citations = 4.000; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.962; WoS Impact Factor: 2018 = 2.633 (2) - 2018=2.583 (5)
Citation count*9 (2020-08-04)
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