Taxonomic position of Pinus ceciliae (Pinaceae) endemic for Balearic Islands as revealed on needle characteristics

IF 1.4 4区农林科学 Q2 FORESTRY

Dendrobiology Pub Date : 2019-12-23 DOI:10.12657/denbio.082.002

K. Boratyńska, D. Tomaszewski, J. Montserrat, S. Marek, A. Boratyński

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引用次数: 2

Abstract

The Cecilian pine (Pinus ceciliae) is endemic to Balearic islands (Spain). It is a small taxon, sometimes treated as synonym of Aleppo pine (P. halepensis), to which is closely related, differing mainly with dense crown shape and upright branches. The other characteristics, which differ between P. ceciliae and P. halepensis concern the cone scale and needle length only. We examined biometrically needles of Cecilian pine from Mallorca (5 tress) and Menorca (9 trees) islands, and compared them to Aleppo pine populations represented by 30 trees from each island. Each tree was represented by 5 needles, and they were studied with respect to 17 morphological and anatomical characteristics. We detected that needles of the Cecilian pine were smaller, but only when compared to the Aleppo pine from the same island. In general, this difference was also observed in the number of resin canals, number of stomata and stomatal rows. Interestingly, the proportions of the needle dimensions pattern were similar in both taxa. In conclusion we stated the results support the taxonomic rank of Cecilian pine as a variety, Pinus halepensis var. ceciliae (Llorens & L.Llorens) L.Llorens, Fl. Països Catalans, 1: 197 (1984).

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从针叶特征揭示巴利阿里群岛特有的盲肠松（松科）的分类地位

塞西莉亚松是巴利阿里群岛（西班牙）的特有种。它是一个小分类单元，有时被视为阿勒颇松（P.halepensis）的同义词，与阿勒颇松有密切的亲缘关系，主要区别在于浓密的树冠形状和直立的枝条。盲肠P.ceciliae和哈氏P.halepensis之间不同的其他特征仅涉及锥鳞和针头长度。我们对马略卡岛（5棵树）和梅诺卡岛（9棵树）的塞西莉亚松的针叶进行了生物测定，并将其与每个岛30棵树代表的阿勒颇松种群进行了比较。每棵树用5根针表示，并对它们的17个形态和解剖特征进行了研究。我们发现塞西莉亚松的针叶较小，但只有与同一岛屿的阿勒颇松相比。一般来说，在树脂管的数量、气孔的数量和气孔排的数量上也观察到这种差异。有趣的是，在两个分类群中，针状尺寸模式的比例相似。总之，我们认为这些结果支持了Cecilian松作为一个变种的分类等级，即halepensis var.cceciliae（Llorens&L.Llorens）L.Llores，Fl.Països Catalans，1:197（1984）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Dendrobiology 农林科学-林学

CiteScore

2.20

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： Dendrobiology publishes original research articles and review articles related to the biology of trees and shrubs.