异叶海桐Pittosporum heterophyllum
中文名（Chinese Name）：异叶海桐
学名（Scientific Name）：Pittosporum heterophyllum Franch.
英文名（English Common Name）：
别名（Chinese Common Name）：臭皮，臭椿皮
异名（Synonym）：Pittosporum truncatum var. tsaii Gowda
科属（Family & Genus）：海桐花科Pittosporaceae海桐花属Pittosporum
形态特征（Description）：灌木高2.5米，嫩枝无毛，灰褐色，老枝无皮孔。叶簇生于枝顶，薄革质，二年生，线形，狭窄披针形，或倒披针形，长4-8厘米，宽1-1.5厘米，有时更狭窄，先端略尖，尖头钝，基部楔形，上面绿色，发亮，下面淡绿色，无毛；侧脉5-6对，与网脉在上下两面均不明显；边缘平展；叶柄长3-4毫米。花1-5朵簇生于枝顶，作伞形状，花梗长7-15毫米，无毛，苞片早落；萼片卵形，长2-2.5毫米，基部稍合生，先端钝，无毛，或有睫毛；花瓣长8毫米，合生，披针形，先端圆；雄蕊长4-5毫米，花药长1.5毫米；雌蕊比雄蕊稍短，子房被毛，花柱长1.5毫米；侧膜胎座2个，胚珠5-8个。蒴果近球形，稍压扁，直径6毫米，2片裂开，果片薄，木质，有种子5-8个。种子长2.5毫米，干后黑色，种柄极短；宿存花柱长2毫米。
分布（Distribution）：分布于西藏东南部、云南北部，海拔1900-3000米，亦见于四川木里。
用途（Use）：
引自中国植物志英文版：FOC Vol. 9 Page 13
Pittosporum heterophyllum Franchet, Bull. Soc. Bot. France. 33: 415. 1886.
异叶海桐 yi ye hai tong | Pittosporaceae | Pittosporum
Shrubs ca. 2.5 m tall. Young branchlets gray-brown, glabrous; old branchlets not lenticellate. Leaves clustered at branchlet apex, biennial; petiole 3–4 mm or absent; leaf blade pale green abaxially, green and shiny adaxially, oblanceolate, narrowly lanceolate, beltlike, or linear, 4–8 × 0.3–2 cm, thinly leathery, glabrous abaxially, lateral veins 5–6-paired, together with reticulate veins indistinct on both surfaces, base cuneate, margin flat, apex subacute. Inflorescences terminal, umbel-like, 1–5-flowered; bracts deciduous; pedicels 2–15 mm, tomentose or glabrous. Sepals slightly connate at base, ovate, 2–2.5 mm, glabrous or margin ciliate, apex obtuse. Petals connate, lanceolate, ca. 6 mm, apex rounded. Stamens 4–5 mm; anther ca. 1.5 mm. Pistil slightly shorter than stamens; ovary pubescent or glabrous; placentas 2, parietal; ovules 5–8; style ca. 1.5 mm. Capsule subglobose, slightly compressed, ca. 6 mm in diam., dehiscing by 2 valves; pericarp thinly woody; persistent style ca. 2 mm. Seeds 5–8, black after drying, ca. 2.5 mm; funicle very short. Fl. Mar–May, fr. May–Nov.
Forests, valleys, slopes, stream sides, rocks; 800--3000(--4000) m. Sichuan, SE Xizang, N Yunnan.
（责任编辑：徐晔春）
学名（Scientific Name）：Pittosporum heterophyllum Franch.
英文名（English Common Name）：
别名（Chinese Common Name）：臭皮，臭椿皮
异名（Synonym）：Pittosporum truncatum var. tsaii Gowda
科属（Family & Genus）：海桐花科Pittosporaceae海桐花属Pittosporum
形态特征（Description）：灌木高2.5米，嫩枝无毛，灰褐色，老枝无皮孔。叶簇生于枝顶，薄革质，二年生，线形，狭窄披针形，或倒披针形，长4-8厘米，宽1-1.5厘米，有时更狭窄，先端略尖，尖头钝，基部楔形，上面绿色，发亮，下面淡绿色，无毛；侧脉5-6对，与网脉在上下两面均不明显；边缘平展；叶柄长3-4毫米。花1-5朵簇生于枝顶，作伞形状，花梗长7-15毫米，无毛，苞片早落；萼片卵形，长2-2.5毫米，基部稍合生，先端钝，无毛，或有睫毛；花瓣长8毫米，合生，披针形，先端圆；雄蕊长4-5毫米，花药长1.5毫米；雌蕊比雄蕊稍短，子房被毛，花柱长1.5毫米；侧膜胎座2个，胚珠5-8个。蒴果近球形，稍压扁，直径6毫米，2片裂开，果片薄，木质，有种子5-8个。种子长2.5毫米，干后黑色，种柄极短；宿存花柱长2毫米。
分布（Distribution）：分布于西藏东南部、云南北部，海拔1900-3000米，亦见于四川木里。
用途（Use）：
引自中国植物志英文版：FOC Vol. 9 Page 13
Pittosporum heterophyllum Franchet, Bull. Soc. Bot. France. 33: 415. 1886.
异叶海桐 yi ye hai tong | Pittosporaceae | Pittosporum
Shrubs ca. 2.5 m tall. Young branchlets gray-brown, glabrous; old branchlets not lenticellate. Leaves clustered at branchlet apex, biennial; petiole 3–4 mm or absent; leaf blade pale green abaxially, green and shiny adaxially, oblanceolate, narrowly lanceolate, beltlike, or linear, 4–8 × 0.3–2 cm, thinly leathery, glabrous abaxially, lateral veins 5–6-paired, together with reticulate veins indistinct on both surfaces, base cuneate, margin flat, apex subacute. Inflorescences terminal, umbel-like, 1–5-flowered; bracts deciduous; pedicels 2–15 mm, tomentose or glabrous. Sepals slightly connate at base, ovate, 2–2.5 mm, glabrous or margin ciliate, apex obtuse. Petals connate, lanceolate, ca. 6 mm, apex rounded. Stamens 4–5 mm; anther ca. 1.5 mm. Pistil slightly shorter than stamens; ovary pubescent or glabrous; placentas 2, parietal; ovules 5–8; style ca. 1.5 mm. Capsule subglobose, slightly compressed, ca. 6 mm in diam., dehiscing by 2 valves; pericarp thinly woody; persistent style ca. 2 mm. Seeds 5–8, black after drying, ca. 2.5 mm; funicle very short. Fl. Mar–May, fr. May–Nov.
Forests, valleys, slopes, stream sides, rocks; 800--3000(--4000) m. Sichuan, SE Xizang, N Yunnan.
（责任编辑：徐晔春）
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