学名(拉丁名) | Phoebe neurantha |
中文名 | 白楠 |
命名人 | (Hemsl.) Gamble |
中文科名 | 樟科 |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
中文属名 | 楠属 |
学名(拉丁名) | Phoebe neurantha |
中文名 | 白楠 |
中文科名 | 樟科 |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
中文属名 | 楠属 |
学名(拉丁名) | Phoebe neurantha |
命名人 | (Hemsl.) Gamble (accepted name) |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
学名(拉丁名) | Phoebe neurantha |
命名人 | (Hemsl.) Gamble |
发表年份 | 1914(年) |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
学名(拉丁名) | Phoebe neurantha |
中文名 | 白楠 |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
学名(拉丁名) | Phoebe neurantha |
中文名 | 白楠 |
中文科名 | 樟科 |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
中文属名 | 楠属 |
学名(拉丁名) | Phoebe neurantha |
发表年份 | 1914(年) |
拉丁属名 | Phoebe |
类型 | species |
拉丁科名 | Lauraceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Machilus neurantha | Synonym | The Plant List | Hemsl. |
Phoebe neurantha var. neurantha | Synonym | The Plant List |
1 | Midrib of leaf blade elevated adaxially, blade narrower and shorter, 4.5-7.5 × 1-2 cm; inflorescences subracemose. (33) | b var. cavaleriei |
1 + | Midrib of leaf blade impressed adaxially, blade wider and longer, (3-)5-16 × ca. 4.5 cm; inflorescences paniculate | (2) |
2 (1) | Leaf blade narrowly lanceolate to lanceolate or oblanceolate, 8-16 cm, apex caudate-acuminate or acuminate, not rugose adaxially when dry. (33) | a var. neurantha |
2 (1) + | Leaf blade obovate or obovate- lanceolate, 3-11 cm, apex obtuse, rugose adaxially when dry. (33) | c var. brevifolia |
Large shrubs to trees, usually 3-14 m tall. Bark gray-black. Branchlets first sparsely pubescent or densely villous, glabrate after. Petiole 7-15 mm, pubescent or glabrate; leaf blade narrowly lanceolate, lanceolate, oblanceolate, obovate, or obovate-lanceolate, 3-16 × 1-4(-4.5) cm, leathery to thickly leathery, abaxially sometimes glaucous, first pubescent, gradually glabrate after, adaxially glabrous or hairy when young, midrib adaxially impressed (elevated in var. cavaleriei), lateral veins 8-12 pairs, abaxially elevated, veinlets slightly distinct, base attenuate and decurrent, rarely cuneate, apex caudate-acuminate, acuminate, or obtuse. Inflorescences 2-10(-12), paniculate or subracemose, branched near top of peduncle, pubescent to puberulent. Flowers 4-5 mm, hairy. Perianth lobes somewhat unequal, outer ones shorter and narrower, apex obtuse, hairy on both surfaces especially inside. Filaments villous, those of 3rd series with sessile glands at base. Staminodes stipitate, villous. Ovary globose; style elongated; stigma dish-shaped. Fruit ovoid, ca. 1 cm × 7 mm; fruiting pedicel not enlarged or slightly thickened; persistent perianth lobes lax, leathery, longitudinally veined, apex sometimes extrorse. Fl. May, fr. Aug-Oct.
Mountain slopes or valleys, dense forests, limestone hills, thickets, watersides. Gansu, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan.
33. 白楠(中国树木分类学)
Phoebe neurantha (Hemsl.) Gamble in Sarg. Pl. Wils. 2: 72. 1914; Chun in Contr. Biol. Lab. Sci. Soc. China 1(5): 32. 1925; Liou Ho, Laur. Chine et Indoch. 69. 1932 et 1934, p. p.; Y. C. Yang in Journ. West China Bord. Res. Soc. 15. Ser. B: 75. 1945; et in Contr. Biol. Lab. Sci. Soc. China 13:19. 1948; 陈嵘, 中国树木分类学, ed. 2, 346, 图 259. 1957; 中国高等植物图鉴 1:828. 1972; 秦岭植物志 1(2): 352-353, 图299. 1974. ——Machilus neurantha Hemsl. in Journ. Linn. Soc. Bot. 26: 376. 1891.
33a.白楠 (原变种)图版27: 1-3
Phoebe neurantha (Hemsl.) Gamble var. neurantha
大灌木至乔木,通常高3-14米;树皮灰黑色。小枝初时疏被短柔毛或密被长柔毛,后变近无毛。叶革质,狭披针形、披针形或倒披针形,长8-16厘米,宽1.5-4(4-5)厘米,先端尾状渐尖或渐尖,基部渐狭下延,极少为楔形,上面无毛或嫩时有毛,下面绿色或有时苍白色,初时疏或密被灰白色柔毛,后渐变为仅被散生短柔毛或近于无毛,中脉上面下陷,侧脉通常每边8-12条,下面明显突起,横脉及小脉略明显;叶柄长7-15毫米,被柔毛或近于无毛。圆锥花序长4-10(12)厘米,在近顶部分枝,被柔毛,结果时近无毛或无毛;花长4-5毫米,花梗被毛,长3-5毫米;花被片卵状长圆形,外轮较短而狭,内轮较长而宽,先端钝,两面被毛,内面毛被特别密;各轮花丝被长柔毛,腺体无柄,着生在第三轮花丝基部,退化雄蕊具柄,被长柔毛;子房球形,花柱伸长,柱头盘状。果卵形,长约1厘米,直径约7毫米;果梗不增粗或略增粗;宿存花被片革质,松散,有时先端外倾,具明显纵脉。花期5月,果期8-10月。
产江西、湖北、湖南、广西、贵州、陕西、甘肃、四川、云南。生于山地密林中。
木材供建筑、家具等用。
33b. 兴义楠(变种)
var. cavaleriei Liou, l. c.
与白楠(原变种)不同在于叶较狭小,长4.5-7.5厘米,宽1-2厘米,中脉上面突起;花序近总状;各部分毛被均较稀疏。
产贵州兴义。
33c. 短叶楠(变种)
Phoebe neurantha (Hemsl.) Gamble var. brevifolia H. W. Li in Act. Phytotax. Sin. 17(2): 62, Pl. 10, f. 1. 1979.
与白楠的区别主要是植株矮小,高约1米;叶革质或厚革质,倒卵形或倒卵状披针形,长3-11厘米,宽1.5-4厘米,先端钝,干时面上发皱;圆锥花序长2-4厘米。
产云南东南部。生于石灰岩山上丛林中或水旁,海拔1200-1500米。