Systematics of the one seeded Juniperus of the eastern hemisphere based on leaf essential oils and random amplified polymorphic DNAs (RAPDs).
The compositions of the leaf essential oils of all the one seed/cone species of Juniperus (sect. Sabina) of the eastern hemisphere are reported and compared (J. convallium, J. convallium var. microsperma, J. indica, J. komarovii, J. pingii, J. pingii var. carinata, J. prezewalskii, J. pseudosabina, J. recurva, J. recurva var. coxii, J. saltuaria, J. squamata, J. squamata var. morrisonicola, J. tibetica, J. wallachiana). In addition, DNA fingerprinting by RAPDs was utilized. The combined terpenoid and DNA data supported the continued recognition of the aforementioned taxa as distinct species except for four varieties which were recognized at the specific level: Juniperus carinata (Y.K. Yu & L.K. Fu) R.P. Adams, stat. nov. (Syn.: J. pingii var. carinata); J. coxii A.B. Jacks. (Syn.: J. recurva var. coxii); Juniperus microsperma (Cheng & L.K. Fu) R.P. Adams, stat. nov. (Syn.: J. convallium var. microsperma); J. morrisonicola Hayata (Syn.: J. squamata var. morrisonicola).
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Plant Biotechnology Center, Baylor University, Box 669, Gruver, USA