杨叶木姜子Litsea populifolia

中文名(Chinese Name):杨叶木姜子
学名(Scientific Name):Litsea populifolia (Hemsl.) Gamble
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Benzoin obovatum (Franch.) Rehder  Litsea longipetiolata Lecomte  Lindera populifolia Hemsl.  Lindera obovata Franch.
科属(Family & Genus):樟科(Lauraceae)木姜子属
形态特征(Description):落叶小乔木,高3-5米;除花序有毛外,其余均无毛。小枝绿色,搓之有樟脑味。叶互生,常聚生于枝梢,圆形至宽倒卵形,长6-8厘米,宽5-7厘米,先端圆,基部圆形或楔形,纸质,嫩叶紫红绿色,老叶上面深绿色,下面粉绿色,羽状脉,侧脉每边5-6条,中脉、侧脉在叶两面均突起;叶柄长2-3厘米。伞形花序常生于枝梢,与叶同时开放;总花梗长3-4毫米,被黄色柔毛;每一花序有雄花9-11朵;花梗细长,长1-1.5厘米,有稀疏柔毛;花被裂片6,卵形或宽卵形,长约3毫米,黄色;能育雄蕊9,花丝无毛,第3轮基部的腺体大,有柄,退化雌蕊无毛。果球形,直径5-6毫米;果梗长1-1.5厘米,先端略增粗。花期4-5月,果期8-9月。
分布(Distribution):产四川、云南、西藏。生于海拔750-2000米山地阳坡或河谷两岸,阴坡灌丛或干瘠土层的次生林中。
用途(Use):叶、果实可提芳香油,用于化妆品及皂用香精。据四川省资料鲜叶含芳香油0.54%,嫩叶提油后可作饲料。种子含油率36%,供工业及照明用。
引自植物志英文版:FOC Vol. 7 Page 118, 122
Litsea populifolia (Hemsley) Gamble in Sargent, Pl. Wilson. 2: 77. 1914.
杨叶木姜子 yang ye mu jiang zi | Lauraceae  | Litsea
Lindera populifolia Hemsley, J. Linn. Soc., Bot. 26: 390. 1891; Benzoin obovatum (Franchet) Rehder; L. obovata Franchet; Litsea longipetiolata Lecomte.
Deciduous small trees, 3-5 m tall, glabrous except for hairy inflorescence. Leaves alternate, usually clustered at apex of branchlet; petiole 2-3 cm; leaf blade orbicular to broadly obovate, 6-8 × 5-7 cm, glaucous abaxially, pinninerved, lateral veins 5 or 6 pairs, base rounded or cuneate, apex rounded. Umbels clustered at apex of branchlet, 9-11-flowered, flowering with leaves; peduncle 3-4 mm. Pedicel slender, 1-1.5 cm. Perianth segments 6, yellow, ovate or broadly ovate. Male flowers: fertile stamens 9; filaments glabrous, of 3rd whorls each with 2 stipitate large glands at base; rudimentary pistil glabrous. Fruit globose, 5-6 mm in diam., seated on shallowly discoid perianth tube; fruiting pedicel 1-1.5 cm, slightly thickened at apex. Fl. Apr-May, fr. Aug-Sep.
● Sunny slopes on mountains, along banks in river valleys, thickets on shady slopes, arid and barren secondary forests, sometimes in pure stands; 700-2000 m. Sichuan, Xizang, NE Yunnan.
The leaves and fruit may be processed for their aromatic oil and used in cosmetics and soap. The fresh leaves contain ca. 0.5% of aromatic oil. The seeds contain ca. 36% oil and are used in industry.
杨叶木姜子Litsea populifolia

杨叶木姜子Litsea populifolia
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