中文名（Chinese Name）：火炬松
学名（Scientific Name）：Pinus taeda L.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Pinus mughoides E.H.L.Krause  Pinus taeda var. mughoides E.H.L.Krause  
科属（Family & Genus）：松科Pinaceae松属
形态特征（Description）：乔木，在原产地高达30米；树皮鳞片状开裂，近黑色、暗灰褐色或淡褐色；枝条每年生长数轮；小枝黄褐色或淡红褐色；冬芽褐色，矩圆状卵圆形或短圆柱形，顶端尖，无树脂。针叶3针一束，稀2针一束，长12-25厘米，径约1.5毫米，硬直，蓝绿色；横切面三角形，二型皮下层细胞，三至四层在表皮层下呈倒三角状断续分布，树脂道通常2个，中生。球果卵状圆锥形或窄圆锥形，基部对称，长6-15厘米，无梗或几无梗，熟时暗红褐色；种鳞的鳞盾横脊显著隆起，鳞脐隆起延长成尖刺；种子卵圆形，长约6毫米，栗褐色，种翅长约2厘米。
分布（Distribution）：原产北美东南部。
用途（Use）：造林树种。木材供建筑等用并生产优良松脂。
引自中国植物志英文版FOC Vol. 4 Page 20
Pinus taeda Linnaeus, Sp. Pl. 2: 1000. 1753.
火炬松 huo ju song  | Pinaceae  | Pinus
Trees to 45 m tall; trunk to 1.6 m d.b.h. in native range; bark red-brown, forming square or irregularly oblong, scaly plates; crown broadly conical or rounded; branchlets orangish or yellow-brown, aging darker brown, ca. 1 cm in diam., rough; winter buds pale red-brown, conical-cylindric, slightly resinous, scales white fringed at margin. Needles ascending or spreading, dark yellow-green, slightly twisted, (10-)12-18(-23) cm × 1-2 mm, pliant, stomatal lines present on all surfaces, base with persistent sheath 1-2.5 cm, margin finely serrulate. Seed cones nearly terminal, solitary or in small clusters, sessile or subsessile, mostly dull yellow-brown, narrowly ovoid when open, 6-12 cm, maturing in 2 years, then soon shedding seeds. Seed scales without dark border adaxially distally; apophyses dull, rhombic, slightly thickened, variously raised but more so toward base of cone, strongly cross keeled; umbo strongly pyramidal, recurved, tapering to a stoutly based, sharp prickle. Seeds red-brown, obdeltoid, 5-6 mm; wing to 2 cm.
Cultivated. Anhui, Fujian, Guangdong (Guangzhou Shi), Guangxi, Henan, Hubei (Wuhan Shi), Hunan, Jiangsu (Nanjing Shi), Jiangxi (Lu Shan), Taiwan, Zhejiang [native to SE United States]
 
（责任编辑：徐晔春）