刺楸是五加科刺愀属的一种落叶乔木。刺楸在温带阔叶树种中是直径生长较快的树种之一,木材硬度适中,纹理细致,刨光涂漆后花纹美观。其抗腐能力强,是造船和民用的良材。刺揪在我省南起大巴山,北达乔山均有分布。天然散生在阔叶林内或林缘,多生长在阔叶林内中下部土层较厚、疏松的南向或西向坡的坡脚。垂直分布于300一1200米之间,在林内或林缘散生植株与其他阔叶树种构成上层林冠。眉县红河沟、齐镇下庙村和营头 Catalpa bungei is a deciduous tree of the genus. Catalpa bungei is one of the tree species with faster diameter growth in temperate broad-leaved tree species. The wood has moderate hardness, fine texture and beautiful appearance after planing and painting. Its anti-corrosion ability, is a good shipbuilding and civil timber. Sting pulling in the province from Daba Hill, North Da Qiao Hill are distributed. Natural scattered in the broad-leaved forest or forest edge, and more in the broad-leaved forest in the middle and lower soil thicker, loose south or west slope of the foot. Vertically distributed between 300 and 1200 meters, in the forest or forest edge scattered plants and other broad-leaved trees constitute the upper canopy. Meixian Honghe ditch, the town under the temple village and camp