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(二十六)谷桉(图1—2) Eucalyptus smithii R.T.Baker 常绿乔木,在澳洲原产地树高46米,胸径150厘米;引种广西后,8年生树高16米,胸径23.5厘米;树皮有深沟裂纹,暗灰色至淡黑色。幼年叶对生,无柄,披针状心形;成年叶互生,具柄,狭披针形,长10—16厘米,宽1—1.7厘米,渐尖;脉和腺体明显,侧脉纤细,极多数,斜展,边缘稍远离叶缘;叶柄长约2.5厘米。花序柄腋生,约与叶柄等长,稍扁平,有花3—9朵,生于长约5毫米内外的柄上;萼筒陀螺形,宽约4
(26) Eucalyptus smithii RTBaker evergreen tree, Australia native tree height 46 meters, diameter 150 cm; introduced Guangxi, 8-year-old tree height 16 meters, diameter 23.5 cm; tree Leather has deep groove cracks, dark gray to pale black. Juvenile leaves opposite, sessile, lanceolate; adult leaves alternate, clawed, narrowly lanceolate, 10-16 cm long, 1-1.7 cm wide, acuminate; veins and glands obvious, slender lateral veins , Very numerous, obliquely stretched, margins slightly away from leaf margin; petiole ca. 2.5 cm. Inflorescences axillary, ca. as long as petiole, slightly flattened, with 3-9 flowers, arising on stem with inner and outer ca. 5 mm; calyx tube gyroscopic, 4