作者: Hazel Y. Wetzstein , Adriana P. M. Rodriguez , J. Austin Burns , Hazel N. Magner , None
DOI: 10.1007/978-3-662-10617-4_4
关键词:
摘要: Pecan [Carya illinoensis (Wangenh.) K. Koch] is a North American deciduous tree (Fig. 1), and belongs to the Juglandaceae family, which includes hickories, walnuts, genus Carya, has about 25 species of large trees. In its native range reaches maximum height 55 m (180 feet) 210 cm (83 inches) in diameter (Peterson 1990), being largest hickories. Leaves are alternate odd pinnate, with 9 17 lanceolate leaflets (Reed Davidson 1954). Among genotypes, leaflet number ranges from 17; length commonly 5–10 cm. Leaf color varies light or yellowish green an extremely dark (Sparks 1992).