ISSN 0003-3847
© Finnish Zoological and Botanical Publishing Board 2006

Contents of Volume 43 Number 3, 2006

Bernardos, S., García-Barriuso, M., León-Arencibia, M. C., Reyes-Betancort, A., González-González, R., Padrón, M. & Amich, F. 2006: A cytotaxonomic study of three endemic orchids of the Canary Islands. — Ann. Bot. Fennici 43: 161–166.
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Del-Arco, M., Pérez-de-Paz, P. L., Acebes, J. R., González-Mancebo, J. M., Reyes-Betancort, J. A., Bermejo, J. A., De-Armas, S. & González-González, R. 2006: Bioclimatology and climatophilous vegetation of Tenerife (Canary Islands). — Ann. Bot. Fennici 43: 167–192.
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Suija, A. 2006: Variation of morphological characters in the lichenicolous ascomycete genus Abrothallus. — Ann. Bot. Fennici 43: 193–204.
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Urcelay, C., Morales, C. L. & Chalcoff, V. R. 2006: Relationship between corolla length and floral larceny in the South American hummingbird-pollinated Campsidium valdivianum (Bignoniaceae). — Ann. Bot. Fennici 43: 205–211.
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Christenhusz, M. J. M. 2006: Three new species of Danaea (Marattiaceae) from French Guiana and the Lesser Antilles. — Ann. Bot. Fennici 43: 212–219.
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He, S.-Z. & Peng, H. 2006: Parasenecio weiningensis (Asteraceae), a new species from Guizhou, SW China. — Ann. Bot. Fennici 43: 220–222.
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Zhao, L.-Q. & Yang, J. 2006: Gagea daqingshanensis (Liliaceae), a new species from Inner Mongolia, China. — Ann. Bot. Fennici 43: 223–224.
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Zjhra, M. L. 2006: New taxa of Coleeae (Bignoniaceae) from Madagascar. I. A collection from Masoala Peninsula. — Ann. Bot. Fennici 43: 225–239.
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Nomenclatural novelties in Ann. Bot. Fennici 43(3). — Ann. Bot. Fennici 43: 240.
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Bernardos, S., García-Barriuso, M., León-Arencibia, M. C., Reyes-Betancort, A., González-González, R., Padrón, M. & Amich, F. 2006: A cytotaxonomic study of three endemic orchids of the Canary Islands. — Ann. Bot. Fennici 43: 161–166.

This paper reports somatic chromosome numbers for three orchid taxa endemic to the Canary Islands (Habenaria tridactylites, Himantoglossum metlesicsianum and Orchis canariensis), about whose cytogenetics very little is known. Chromosome numbers for the western Mediterranean and Atlantic monotypic genus Gennaria are also reported. The chromosome number of Himantoglossum metlesicsianum (2n = 36) is reported for the first time. New chromosome numbers were found for Habenaria tridactylites (2n = 34) and Orchis canariensis (2n = 84), confirming the tetraploidy of the latter. Chromosome numbers are reported also for Gennaria diphylla from North Africa (Tunisia) and the Iberian Peninsula (Portugal) (2n = 34 in both). Some taxonomic and phylogenetic comments are made on these species.

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Del-Arco, M., Pérez-de-Paz, P. L., Acebes, J. R., González-Mancebo, J. M., Reyes-Betancort, J. A., Bermejo, J. A., De-Armas, S. & González-González, R. 2006: Bioclimatology and climatophilous vegetation of Tenerife (Canary Islands). — Ann. Bot. Fennici 43: 167–192.

A bioclimatic study of Tenerife, supported and clarified by PCA and DCA analyses, was performed in order to map the bioclimates, ombrotypes, thermotypes, bioclimatic belts and climatophilous vegetation series. Commentaries and synoptic tables of the terminal communities of each climatophilous series are given. A new map of the potential natural vegetation shows significant differences from the climatophilous series map, mainly due to salic substrates and recent lava flows.

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Suija, A. 2006: Variation of morphological characters in the lichenicolous ascomycete genus Abrothallus. — Ann. Bot. Fennici 43: 193–204.

The morphological variation of 65 samples of the exclusively lichenicolous ascomycete genus Abrothallus was studied by means of multivariate statistical approach (discriminant analysis). The samples were analysed in order to estimate the possible taxonomic implications of the characters frequently mentioned in literature. Colour of the epihymenium and hypothecium, shape of the ascomata, pruinosity of the ascomata, and Lugol reaction of the hyphae appeared to be the most distinguishing features for group recognition.

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Urcelay, C., Morales, C. L. & Chalcoff, V. R. 2006: Relationship between corolla length and floral larceny in the South American hummingbird-pollinated Campsidium valdivianum (Bignoniaceae). — Ann. Bot. Fennici 43: 205–211.

Flowers with pink or red tubular corollas have been traditionally viewed as adapted for pollination by birds. However, tubular flowers frequently suffer illegitimate visits by nectar robbers. Campsidium valdivianum (Bignoniaceae) is an endemic hummingbird-pollinated climber with pinkish-red tubular flowers, which suffers high levels of floral larceny by a native bumblebee. We studied two populations of C. valdivianum in an Andean forest in South America and found that they differ significantly in their mean corolla length but not in their mean corolla width. The proportion of robbed flowers, as well as the mean number of holes per robbed flower was higher in the population with higher mean corolla length. Although robbing levels also differed between individuals within populations, corolla length was only significantly related to robbing frequency in the population with longest corollas. The positive relationship between corolla length and nectar robbing observed here might affect the fitness in this species and thus the direction and magnitude of selection of the floral trait.

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Christenhusz, M. J. M. 2006: Three new species of Danaea (Marattiaceae) from French Guiana and the Lesser Antilles. — Ann. Bot. Fennici 43: 212–219.

Danaea antillensis Christenhusz, D. kalevala Christenhusz and D. ushana Christenhusz (Marattiaceae) are described as new species from French Guiana and the Lesser Antilles. They are compared with morphologically similar ones and illustrated with line drawings.

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He, S.-Z. & Peng, H. 2006: Parasenecio weiningensis (Asteraceae), a new species from Guizhou, SW China. — Ann. Bot. Fennici 43: 220–222.

Parasenecio weiningensis S.Z. He & H. Peng, a new species in the Asteraceae from Guizhou, SW China, is described and illustrated in line drawings. Parasenecio weiningensis is compared with the morphologically fairly similar P. delphiniphyllus.

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Zhao, L.-Q. & Yang, J. 2006: Gagea daqingshanensis (Liliaceae), a new species from Inner Mongolia, China. — Ann. Bot. Fennici 43: 223–224.

Gagea daqingshanensis L.Q. Zhao & J. Yang sp. nova (Liliaceae) is described from Inner Mongolia, China. It appears most closely related to G. albertii and G. pauciflora. The distinguishing characters are given in a key to the three species.

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Zjhra, M. L. 2006: New taxa of Coleeae (Bignoniaceae) from Madagascar. I. A collection from Masoala Peninsula. — Ann. Bot. Fennici 43: 225–239.

As a precursor to a revision of Malagasy endemic tribe Coleeae (Bignoniaceae), eleven species are described from the Masoala Peninsula as new (Colea resupinata, C. gentryi, C. ramiflora, C. rosea, C. sytsmae, Ophiocolea vokoanensis, Phyllarthron nocturnum, P. vokoanensis, P. sahamalazensis, Rhodocolea multiflora, R. lemuriphila). A key to Bignoniaceae of Masoala is provided.

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