《中国植物志》|| 山茶科 THEACEAE ||长柱柃系 Ser. Longistylae Hu et L. K. Ling ||尾尖叶柃 Eurya acuminata DC.

31.尾尖叶柃 锐叶柃木（台湾植物志）
Eurya acuminata DC. in Mem. Soc. Phys. Gen. 1: 418, 1822 (Mem. Fam. Ternstroem. 26) ; et Prodr. 1: 55, 1824; Royle, 1ll. Bot. Himalay. 1: 127, 1834; et 2, t. 24, 1839; Walpers, Repert. Bot. Syst. 1: 370, 1842; Bl. , Mus. Bot. Lugd.-Bat. 2: 117, 1856; Mueller in Walpers, Ann. Bot. Syst. 4: 345, 1857; Theselton-Dyer in Hook. f., Fl. Brit. Ind. 1: 285, 1874; Szyszylowicz in Engler et Prantl,, Nat. Pflanzenfam. 3, 6: 190, 1893; Rehd. et Wils. in Sarg., Pl. Wils. 2: 400, 1915, partim; Pitardin Lecomte, Fl. Gen. Indochine 1: 338, 1910; Ridley, Fl. Malay. Pen. 1: 199, 1922; 钟心煊, 中国木本植物目录173, 1924,仅包括云南标本; Melchior in Engler et Prantl, Nat. Pflanzenfam. 2: Auf l. 21: 147, 1925; Makino et Nemoto, Fl. Jap. 4171, 1931; Yamamoto in Sylvia 5: 38, f. 23, 1934; Kobuski in Ann. Miss. Bot. Gard. 25: 321, 1937, p. p. min.; De Wit in Bull. Bot. Gard. Buitenzorg Ser. 3, 17: 336, 1947; S. Kitamara, Fauna et Fl. Nepal Himalay. 179, 1952; Hara, Enum. Spermato. Jap. 3: 166, 1954, excl. syn.: Eurya matudai Hayata; 陈嵘, 中国树木分类学828, 1957, 仅包括云南标本; L. K. Ling in Act. Phytotax. Sin. 11: 306, 1966; 中国高等植物图鉴补编2: 485, 1983; 云南种子植物名录, 上册359, 1984; 西藏植物志3: 268, 1986.——Eurya multiflora DC. in Mem. Soc. Phys. Gen. 1: 417, 1822 (Mem. Fam. Ternstroem. 25) ; et Prodr. 1: 525, 1824.——Eurya phyllanthoides Bl. , Mus. Bot. Lugd. -Bat. 2: 110, 1856. ——Eurya acuminata DC. var. multiflora Bl. , Mus. Bot. Lugd. -Bat. 2: 117, 1856; Rehd. et Wils. in Sarg., Pl. Wils. 2: 401, 1916; Hand. -Mazz., Symb. Sin. 7: 400, 1929. ——Eurya japonica Thunb. var. phyllanthoides (Bl.) Thiselton-Dyer in Hook. f. , Fl. Brit. Ind. 1: 284, 1874. ——Eurya acuminata DC. var. euprusta (Korthals) Thiselton-Dyer in Hook. f., Fl. Brit. Ind. 1: 285, 1874; Pitard in Lecomte, Fl. Gen. Indo-chine 1: 339, 1910. ——Eurya euprusta Korthals, in Verh, Nat. Gesch. Bot. 3: 113, 1840.——Eurya acuminata DC. var. wallichiana Dyer in Hook. f., Fl. Brit. Ind. 1: 285, 1874; Pitard in Lecomte, Fl. Gen. Indo-chine 1: 339, 1910.——Eurya wallichiana Bl. , Mus. Bot. Lugd.-Bat. 2: 118, 1856, non Steud.
灌木或小乔木；嫩枝纤细，灰褐色或红褐色，密被短柔毛；顶芽锥形，密被短柔毛。叶纸质或薄革质，披针形、长圆状披针形或狭椭圆形，长5.5-9.5厘米，宽1.5-2.5厘米，顶端尾状渐尖，尖头钝，基部楔形，边缘有细锯齿，上面绿色，稍有光泽，无毛，下面淡绿色，被短柔毛，中脉在上面稍凹下，下面凸起，侧脉两面均不甚明显或在下面稍明显，网脉两面不明显；叶柄长3-6毫米，被短柔毛。花1-3朵簇生于叶腋，花梗长2-3毫米。雄花：小苞片2，圆形；萼片5，几圆形，近革质，长约2-2.5毫米，顶端钝，外面被短柔毛；花瓣5，白色，长圆形或卵圆形，长3.5-4毫米；雄蕊15-20枚，花药不具分格；退化子房无毛。雌花的小苞片、萼片和花瓣与雄花同，但较小，子房圆球形，无毛，通常3室，花柱长2-73毫米，顶端3-5浅裂或深裂。果实圆球形，直径3-4毫米。花期11-12月。
产于我国台湾（台北、台中、南投、嘉义、台东、阿里山）、云南东南部（屏边）、西藏南部（墨脱）等地；多生于海拔700-2700米的山坡疏林或灌丛中。越南、缅甸、尼泊尔、印度、斯里兰卡、马来半岛及印度尼西亚等地也有分布。模式标本采自印度。
本种和岗柃E. groffii Merr. 很近似，区别在于后者的嫩枝密被开张的柔毛、叶披针状长圆形，叶片下面和萼片外面均被短柔毛，花柱通常3枚，分裂几达基部等。
作者未见到台湾标本，上述分布点系根据《台湾植物志》2：607，1976的报道。

《云南植物志》|| 山茶科 Theaceae ||柃木属 Eurya Thunb. ||尖叶柃 Eurya acuminata DC.

22.尖叶柃（新拟）
尖叶柃木（中国树木分类学），尾尖叶柃（植物分类学报），锐叶柃木（台湾植物志）
Eurya acuminata DC. (1822), (1824); Wall. (1828); Royle (1834); Walpers (1842); Blume (1856); Dyer in Hook. f. (1874); Szyszyl. in Engl. (1893); Pitard in Lecomte (1910); Rehd. et Wils. in Sargent (1915); Ridley (1922); 钟心煊 (1924), quoad specim. Yunnan; Melchior in Engl. (1925); Kanehira (1936); Kobuski (1937); 陈嵘 (1937); Gagnep. (1943); Kitamura (1952); Hara (1954); H. L. Li (1963), (1972); L. K. Ling (1966); H. Keng in Smitinand (1972); 图鉴补编 (1983), in clavi; 云南种子植物名录 (1984); 西藏植物志 (1986).
Eurya multiflora DC. (1822), (1824); E. phyllanthoides Blume (1856); E. acuminata DC. var. multiflora Blume (1856); Rehd. et Wils. in Sargent (1915); Hand.-Mazz. (1931); E. japonica Thunb. var. phyllanthoides (Blume) Dyer in Hook. f. (1874); Pitard in Lecomte (1910); E. acuminata DC. var. wallichiana Dyer in Hook. f. (1874); Pitard in Lecomte (1910); H. Keng in Smitinand (1972), excl. syn.
灌木至小乔木；幼枝圆柱形，纤细，密被短柔毛；顶芽被短柔毛。叶纸质至薄革质，披针形、长圆状披针形或狭长圆形，长5.5—9.5厘米，宽1.5—2.5厘米，先端尾状渐尖，基部楔形，边缘具细锯齿，叶面绿色，有光泽，背面淡绿色，被短柔毛，侧脉密，多于15对，两面清晰或略突；叶柄长3—6毫米，被短柔毛。花1—3朵簇生叶腋，花梗长1—3毫米，被短柔毛；雄花：小苞片卵形，长约1毫米，外面被短柔毛；萼片卵形，长2—2.5毫米，先端尖，外面被短柔毛；花瓣长圆状椭圆形，长3.5—4毫米；雄蕊15—20枚，花药不具分格；退化子房无毛；雌花：小苞片、萼片和花瓣与雄花同，但较小；子房圆球形，无毛，3（—5）室，花柱长2—3毫米，3—5浅裂或深裂。果圆球形，径3—4毫米。花期11—12月，果期次年6—8月。
产贡山、屏边、西畴；生于海拔1500—2500米的常绿阔叶林下。西藏（墨脱）和台湾也有。分布热带东喜马拉雅至中南半岛、印度尼西亚和斯里兰卡等地。

《Flora of China》|| Theaceae || Eurya ||尖叶柃 Eurya acuminata

34. Eurya acuminata Candolle, Mém. Soc. Phys. Genève. 1: 418. 1822.

尖叶柃 jian ye ling

Eurya acuminata var. multiflora (Candolle) Blume; E. acuminata var. wallichiana (Steudel) Dyer; E. euprista Korthals; E. japonica Thunberg var. phyllanthoides (Blume) Dyer; E. multiflora Candolle; E. phyllanthoides Blume; E. wallichiana Steudel.

Shrubs or small trees. Young branches grayish brown, glabrous; current year branchlets reddish brown, densely pubescent; terminal buds densely pubescent. Petiole 3-6 mm, pubescent; leaf blade lanceolate, oblong-lanceolate, or rarely ovate-oblong, 5.5-9.5 × 1.5-2.5 cm, papery to thinly leathery, abaxially pale green and pubescent, adaxially green, shiny, and glabrous, midvein abaxially elevated and adaxially slightly impressed, secondary veins more than 15 on each side of midvein and visible or slightly raised on both surfaces, base cuneate, obtuse, or rounded, margin serrulate, apex caudate-acuminate and with an obtuse tip. Flowers axillary, solitary or to 3 in a cluster. Pedicel 2-3 mm, pubescent. Male flowers: bracteoles orbicular, ca. 1 mm; sepals 2-2.5 mm, subleathery, outside pubescent, apex obtuse; petals oblong to ovate, 3.5-4 mm; stamens 15-20; anthers not locellate; pistillode glabrous. Female flowers: bracteoles, sepals, and petals similar to those of male flowers but slightly smaller; ovary globose, glabrous, 3-loculed; style 2-3 mm, apically 3-5-lobed or parted. Fruit globose, 3-4 mm in diam. Fl. Nov-Dec, fr. Jun-Aug. 2n = 58.

Forests or thickets on mountain slopes; 700-3000 m. SE Xizang, NW and SE Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, Sri Lanka, Thailand, Vietnam].