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Example sentences for: elachanthemum
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Stilnolepis, Elachanthemum, and Kaschgaria are excluded from the clade of the Artemisia -group, and are, in part, sister to all remaining Artemisiinae genera in the ITS phylogeny.
The Artemisia -group sensu Bremer and Humphries [ 2 ] is not monophyletic because three segregate genera Elachanthemum, Stilnolepis , and Kaschgaria are excluded from this clade.
Kaschgaria was removed by Poljakov from Artemisia s.l . on the basis of stellate corolla hairs, and was considered more closely related to Seriphidium than Artemisia s.s ., even though it is disciform rather than discoid [ 2 ] . Kaschgaria possesses spineless pollen [ 2 37 ] . Therefore, placement of Kaschgaria and Elachanthemum outside of the Artemisia -group is intriguing because if these placements remain robust, wind-pollination may have arisen more than once in the tribe, or insect-pollination may be secondarily derived within Subtribe Artemisiinae in the radiate genera (clade 3 of Fig.
Stilnolepis and Elachanthemum are monotypic genera that occur in Central Asia, that are often treated as a single genus, Stilnolepis [ 2 ] . However, our ITS phylogeny supports Ling's treatment of them as two distinct genera [ 54 ] . Neither genus appears to be a member of Artemisia s.l . or the Artemisia -group.
Three of the eight segregate and allied genera that we examined were placed outside of the Artemisia -group (including Stilnolepis, Elachanthemum, and Kaschgaria ), whereas the remaining five were placed within it (including Seriphidium, Sphaeromeria, Neopallasia, Crossostephium , and Filifolium ). However many of these placements are among the most weakly supported branches of the resulting phylogenetic trees (Fig.
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