1. Prunus pananensis (Rosaceae), a new species from Pan'an of central Zhejiang, China.
- Author
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Chen ZL, Chen WJ, Chen H, Zhou YY, Tang MQ, Fu MQ, and Jin XF
- Subjects
- China, Chloroplast Proton-Translocating ATPases genetics, DNA, Chloroplast chemistry, DNA, Intergenic genetics, Flowers anatomy & histology, Flowers ultrastructure, Microscopy, Electron, Scanning, Molecular Sequence Data, Phylogeny, Plant Components, Aerial ultrastructure, Plant Leaves anatomy & histology, Plant Leaves ultrastructure, Plant Shoots anatomy & histology, Plant Shoots ultrastructure, Plant Structures anatomy & histology, Plant Structures ultrastructure, Prunus classification, RNA, Transfer genetics, Ribulose-Bisphosphate Carboxylase genetics, Sequence Analysis, DNA, Species Specificity, DNA, Chloroplast genetics, Plant Components, Aerial anatomy & histology, Prunus anatomy & histology, Prunus genetics
- Abstract
Prunus pananensis Z. L. Chen, W. J. Chen & X. F. Jin, a new species of Rosaceae from central Zhejiang, China is described and illustrated. Micromorphological characters of the indumentum on young shoots, leaves, petioles and peduncles, including scanning electron microscope [SEM] images, are provided. This new species is morphologically similar to P. schneiderianae Koehne in having its young shoots, petioles and pedicels all densely villose, but differs in having bracts persistent, styles glabrous, stipules 8-9 mm long, stamens 28-30 of per flower, and drupes glabrous. The new species is also similar to P. discoidea (Yü & C. L. Li) Yü & C. L. Li ex Z. Wei & Y. B. Chang in having 2 or 3 flowers in an umbellate inflorescence, and bracts persistent and marginally glandular, but it differs in having young shoots and petioles densely covered with yellowish-brown villose trichomes; leaves rounded or slightly cordate at base, the mid-ribs and lateral veins abaxially densely covered with yellowish-brown villose trichomes; and hypanthium ca. 3 mm long, shorter than sepals. The atpB-rbcL and trnL-F intergenic chloroplast spacers are selected for identification of the new and its similar species.
- Published
- 2013
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