《中国植物志》|| 樟科 LAURACEAE ||肉桂组 Sect. Cinnamomum ||大叶桂 Cinnamomum iners Reinw. ex Blume

38.大叶桂 图版57: 2-8
Cinnamomum iners Reinw. ex Bl. Bijdr. 570. 1826; Lumphia 1: 41. 1836; Nees in Wall. Pl. Asiat. Rar. 2: 73. 1831; Meissn. in DC. Prodr. 15 (1): 19. 1864; Kurz, For. Fl. Brit. Burma 2: 287. 1877; Gamble, Man. Ind. Timb. 305. 1881, ed. 2, 562. 1902; et in Journ. Asiat. Soc. Bengal 75 (1): 76. 1912; Hook. f. Fl. Brit. India 5: 130, 132. 1886; Pax in Engl. u. Prantl, Nat. Pflanzenfam. 3 (2): 114. 1889; Koorders ＆ Valeton, Bijdr. Kennis Boomsorten Java 10:75, 77. 1904; Atlas Baumarten Java t. 207. 1913; Brandis, Ind. Trees 533. 1906; Craib in Kew Bull. 1911: 451. 1911, Contr. Pl. Siam. 176. 1917; Koor-ders, Exkurs. Fl. Java 2: 263. 1912; Atlas 2: 207. 1914; Lec. in Nouv. Arch. Mus. Hist. Nat. Paris, 5e Ser. 5: 50, 79. 1913; Fl. Gen. Indoch. 5: 116. 1914; Merr. in Lingnaam Agric. Rev. 1: 83. 1922-23; Ridley, Fl. Malay Pen. 3: 92. 1924; Liou Ho, Laur. Chine et Indoch. 30. 1932 et 1934; Bor, Man. Ind. For. Bot. 52. 1953.
乔木，高达20米，胸径20厘米。枝条常对生，粗壮，小枝圆柱形或钝四棱形，干时黑 褐色，初时密被微柔毛，后渐变无毛。芽小，卵珠形，鳞片密被绢状毛。叶近对生，卵圆形 或椭圆形，长12-35厘米，宽5.5-8.5厘米，先端钝或微凹，基部宽楔形至近圆形，硬革 质，上面绿色，光亮，无毛，下面黄绿色，晦暗，初密被短柔毛，后毛被渐脱落但老时仍不完全脱落，三出脉或离基三出脉，侧脉自叶基0-10毫米处生出且直贯叶端，中脉及侧脉两 面凸起，横脉及细脉两面稍明显或上面不明显下面隐约可见；叶柄粗壮，长1-3厘米，红 褐色，多少密被短柔毛。圆锥花序腋生或近顶生，1-3出，长6-26厘米，多分枝，分枝长 1-2.5（6）厘米，末端为3-7花的聚伞花序，总梗长3-10(15)厘米，与各级序轴密被短 柔毛。花淡绿色，长4-5（6)毫米；花梗长2.5-5毫米，密被灰色短柔毛。花被内外两面 密被灰色短柔毛，花被筒倒锥形，长1-2毫米，花被裂片6，外轮卵圆状长圆形，长4毫 米，宽2毫米，内轮长圆形，较狭，长约4毫米，宽1.5毫米，先端均锐尖。能育雄蕊9，花丝均被柔毛，第一、二轮雄蕊长3毫米，花药卵圆状长圆形，与花丝近等长，4室，内向，第三轮雄蕊长3.6毫米，花药长圆形，较狭，长约1.5毫米，比花丝稍短，花丝近基部有一对圆状肾形腺体。退化雄蕊3，位于最内轮，明显，长2.3毫米，箭头状三角形，具长柄。子房卵球形，长1.5毫米，花柱纤细，长约3毫米，柱头盘状扁平，具圆裂片。果卵球形，先端具小突尖，长9-10（12）毫米，宽约7毫米，鲜时淡绿色或绿色；果托倒圆锥形或碗形，稍增大，宽达8毫米，顶端有稍增大或开张的宿存花被片，果梗略增粗。花期3-4月，果 期5-6月。
产云南南部、广西西南部（龙津）及西藏东南部（墨脱）。生于山谷路旁、疏林或密林 中，海拔140-1000米。斯里兰卡、印度、缅甸经中南半岛和马来西亚至印度尼西亚也有。

《云南植物志》|| 樟科 Lauraceae ||樟属 Cinnamomum Trew ||大叶桂 Cinnamomum iners Reinw. ex Bl.

19．大叶桂 图版32，2—8
Cinnamomum iners Reinw. ex Bl. (1826), (1836); Nees (1831); Meissn. (1864); Kurz (1877); Gamble (1881), (1902), (1912); Hook. f. (1886); Pax (1889); Koorders & Valeton (1904), (1913)*; Brandis (1906); Craib (1911), (1917); Koorders (1912), (1914)*; Lec. (1913), (1914); Merr. (1922—23); Ridley (1924); Liou Ho (1934); Bor (1953).
乔木，高达20米，胸径20厘米。枝条常对生，粗壮，小枝圆柱形或钝四棱形，干时黑褐色，初时密被微柔毛，后渐变无毛。顶芽小，卵珠形，鳞片密被绢状毛。叶近对生，卵圆形或椭圆形，长12—35厘米，宽5.5—8.5厘米，先端钝或微凹，基部宽楔形至近圆形，硬革质，上面绿色，光亮，无毛，下面黄绿色，晦暗，初密被短柔毛，后毛被渐脱落但老时仍不完全脱落，三出脉或离基三出脉，侧脉自叶基0—10毫米处生出且直贯叶端，中脉及侧脉两面凸起，横脉及细脉两面稍明显或上面不明显下面隐约可见；叶柄粗壮，长1—3厘米，红褐色，多少密被短柔毛。圆锥花序腋生或近顶生，1—3出，长6—26厘米，多分枝，分枝长1—2.5（6）厘米，末端为3—7花的聚伞花序，总梗长3—10（15）厘米，与各级序轴密被短柔毛。花淡绿色，长4—5（6）毫米，花梗长2.5—5毫米，密被灰色短柔毛；花被内外两面密被灰色短柔毛，花被筒倒锥形，长1—2毫米，花被片6，外轮卵圆状长圆形，长4毫米，宽2毫米，内轮长圆形，较狭，长约4毫米，宽1.5毫米，先端均锐尖；能育雄蕊9，花丝均被柔毛，第一、二轮雄蕊长3毫米，花药卵圆状长圆形，与花丝近等长，4室，内向，第三轮雄蕊长3.6毫米，花药长圆形，较狭，长约1.5毫米，比花丝稍短，花丝近基部有一对圆状肾形腺体，退化雄蕊3，位于最内轮，明显，长2.3毫米，箭头状三角形，具长柄；子房卵球形，长1.5毫米，花柱纤细，长约3毫米，柱头盘状扁平，具圆裂片。果卵球形，先端具小突尖，长9—10（12）毫米，宽约7毫米，鲜时淡绿色或绿色；果托倒圆锥形或碗形，稍增大，宽达8毫米，顶端有稍增大或开张的宿存花被片，果梗略增粗。花期3—4月，果期5—6月。
产南部；生于山谷路旁、疏林或密林中，海拔140—1000米。分布于广西西南部及西藏东南部。斯里兰卡，印度，缅甸经中南半岛和马来西亚至印度尼西亚也有。

《Flora of China》|| Lauraceae || Cinnamomum ||大叶桂 Cinnamomum iners

41. Cinnamomum iners Reinwardt ex Blume, Bijdr. 570. 1826.

大叶桂 da ye gui

Trees, up to 20 m tall, to 20 cm d.b.h. Branches always opposite, robust; branchlets terete or obtusely tetragonous, dark brown when dry, densely puberulent initially but soon glabrate. Buds small, ovoid; bud scales densely sericeous. Leaves subopposite; petiole red-brown, robust, 1-3 cm, ± densely pubescent; leaf blade opaque yellow-green abaxially, shiny green adaxially, ovate or elliptic, 12-35 × 5.5-8.5 cm, thickly leathery, densely pubescent initially soon glabrate but not glabrous abaxially, glabrous adaxially, trinerved or triplinerved, basal lateral veins arising at or up to 10 mm above leaf base, basal lateral veins and midrib elevated on both surfaces, transverse veins and veinlets slightly conspicuous on both surfaces or inconspicuous adaxially and ± visible abaxially, base broadly cuneate to subrounded, apex obtuse or emarginate. Panicles axillary or terminal, solitary or ternate, 6-26 cm, several branched; branches 1-2.5(-6) cm, apex bearing a 3-7-flowered cyme; peduncles 3-10(-15) cm, peduncle and rachis densely pubescent. Pedicels 2.5-5 mm, densely gray pubescent. Flowers greenish, 4-5(-6) mm. Perianth densely gray pubescent outside and inside; perianth tube obconical, 1-2 mm; perianth lobes 6, acute, outer ones ovate-oblong, ca. 4 × 2 mm, inner ones oblong, narrower, ca. 4 × 1.5 mm. Fertile stamens 9, ca. 3 mm (of 1st and 2nd whorls) or ca. 3.6 mm (of 3rd whorl); filaments villous, those of 3rd whorl each with 2 orbicular glands near base, others glandless; anthers of 1st and 2nd whorls ovate-oblong, nearly as long as filaments, each with 4 introrse cells, those of 3rd whorl oblong, narrower, ca. 1.5 mm, slightly shorter than filaments, each with 4 extrorse cells. Staminodes 3, conspicuous, sagittate-triangular, ca. 2.3 mm, long stalked. Ovary ovoid, ca. 1.5 mm; style slender, ca. 3 mm; stigma discoid, lobed. Fruit ovoid, 9-10(-12) × ca. 7 cm, apiculate, greenish or green when fresh; perianth cup in fruit obconical or bowl-shaped, slightly dilated, up to 8 mm wide, with somewhat dilated or patent persistent lobes at apex; fruit stalk somewhat thickened. Fl. Mar-Apr, fr. May-Jun.

Roadsides in valleys, sparse or dense forests; 100-1000 m. SW Guangxi (Longzhou), SE Xizang (Mêdog), S Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam].