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首页> 外文期刊>Nordic Journal of Botany >Ajania semnanensis sp. nov. (Asteraceae-Anthemideae), from northeast Iran: insights from karyological and micromorphological data
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Ajania semnanensis sp. nov. (Asteraceae-Anthemideae), from northeast Iran: insights from karyological and micromorphological data

机译：Ajania semnanensis sp.好。从伊朗东北部(Asteraceae-Anthemideae):见解karyological和微形数据

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摘要

Ajania semnanensis (Compositae: Anthemideae), a new species of Ajania from northeast of Iran, Semnan province, is described and illustrated. Ajania semnanensis is a suffruticose perennial growing on rocky and stony slopes of mountains at altitudes of1500-2800 m a.s.l. Karyological and micromorphological data of the pollen and achenes, as well as a distribution map for the species are provided. The cytotype of the species was found to be diploid (2n = 2x = 18) based on x = 9. The karyotype formula is2n = 2x = 4M + 6m + 6sm + 2st. Pollen grains of A. semnanensis are prolate-spheroidal (P/E= 1.1), 3-zonocolporate and echinate (Anthemis type). The achenes of A semnanensis are obovate, 1.0-1.5 X 0.5-0.6 mm, light brown, with 4-6 fine and inconspicuousribs, glabrous, without pappus and with a subbasal carpopodium. The IUCN status of the new species is suggested to be 'Least Concern' (LC).
机译：Ajania semnanensis(菊科:Anthemideae)新物种的Ajania东北伊朗,Semnan省,是进行描述和演示。Ajania semnanensis suffruticose多年生在落基山脉的石质山坡上生长海拔of1500 - 2800 m a.s.l。Karyological和花粉和微形数据瘦果,以及的分布图物种提供。被发现二倍体(2 n = 2 x = 18)基于x= 9。6 sm +第二任丈夫。prolate-spheroidal (P / E = 1.1), 3-zonocolporate和有刺的(西洋甘菊类型)。semnanensis倒卵形,1.0 - -1.5 X 0.5 - -0.6毫米,浅棕色,4 - 6好和inconspicuousribs,无毛,无冠毛,基质浅carpopodium。建议最少关注的(LC)。

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