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The phylogenetic analysis of chloroplast genome of A. obesum with the representative of the subfam. Secamondoideae, Asclepiadoideae, Apocynoideae, Periplocoideae, Rauvolioideae (Family Apocynaceae) outgropup at G. sempervirens (Family Gelsemiaceae). Number next to taxon indicates GenBank accession number.
