Iamonico
Phyton Vol. 59 E-Book S 17-25
Taxonomical, chorological and ecological notes on the Eastern Alps
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erschienen 25.09.2019
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In: Phyton 59, Fasc. 1 (2019): S. 17-25 DOI: 10.12905/0380.phyton59-2019-0017 Published online on 25 September 2019

Taxonomical, chorological and ecological notes on the Eastern Alps endemic Arenaria huteri (Caryophyllaceae-Alsinoideae)

Duilio Iamonico

Key words: Arenaria huteri, A. cinerea, A. cretica, A. filicaulis, A. gracilis, sect. Rariflorae, Alsinoideae, Caryophyllaceae. – Endemic species, synonymy, typification. – Italy, South-Eastern Europe.

Summary
Iamonico D. 2019. Taxonomical, chorological and ecological notes on the Eastern Alps endemic Arenaria huteri (Caryophyllaceae-Alsinoideae). – Phyton (Horn, Austria) 59 (1–2): 17–25, with 4 figures and 2 tables.

Arenaria huteri is an orophyte of the southeastern Alps and an endemic Italian species. The name is typified in the present paper on a herbarium specimen kept in WU. A lectotypification is also proposed for the name A. huteri ß glareosa (lectotype in WU, isolectotypes in FI, GJO, JE, K), while no typification is necessary for A. huteri a rupestris nom. nud., a name that can be ascribed to A. huteri s.str. The infraspecific variability and the differences between A. huteri and related taxa were studied on the basis of morphological analyses. The results showed that A. huteri can certainly be included in sect. Rariflorae and that is clearly separated from A. cinerea, A. cretica, A. filicaulis, and A. gracilis. On the other hand, an analysis of infraspecific variability highlighted the overlapping ranges of morphological characters of the former varieties A. huteri a rupestris (identical with the autonymic variety) and A. huteri ß glareosa, which can therefore be synonymized under the name A. huteri. Notes on ecology and distribution of this species are also provided.
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