橄榄Canarium album

橄榄Canarium album

橄榄Canarium album

橄榄Canarium album

中文名(Chinese Name):橄榄
学名(Scientific Name):Canarium album (Lour.) DC.
英文名(English Common Name):
别名(Chinese Common Name):黄榄、白榄
异名(Synonym):Pimela alba Lour.
科属(Family & Genus):橄榄科(Burseraceae)橄榄属
形态特征(Description):乔木,高10-25(-35)米,胸径可达150厘米。小枝粗5-6毫米,幼部被黄棕色绒毛,很快变无毛;髓部周围有柱状维管束,稀在中央亦有若干维管束。有托叶,仅芽时存在,着生于近叶柄基部的枝干上。小叶3-6对,纸质至革质,披针形或椭圆形(至卵形),长6-14厘米,宽2-5.5厘米,无毛或在背面叶脉上散生了的刚毛,背面有极细小疣状突起;先端渐尖至骤狭渐尖,尖头长约2厘米,钝;基部楔形至圆形,偏斜,全缘;侧脉12-16对,中脉发达。花序腋生,微被绒毛至无毛;雄花序为聚伞圆锥花序,长15-30厘米,多花;雌花序为总状,长3-6厘米,具花12朵以下。花疏被绒毛至无毛,雄花长5.5-8毫米,雌花长约7毫米;花萼长2.5-3毫米,在雄花上具3浅齿,在雌花上近截平;雄蕊6,无毛,花丝合生1/2以上(在雌花中几全长合生);花盘在雄花中球形至圆柱形,高1-1.5毫米,微6裂,中央有穴或无,上部有少许刚毛;在雌花中环状,略具3波状齿,高1毫米,厚肉质,内面有疏柔毛。雌蕊密被短柔毛;在雄花中细小或缺。果序长1.5-15厘米,具1-6果。果萼扁平,直径0.5厘米,萼齿外弯。果卵圆形至纺锤形,横切面近圆形,长2.5-3.5厘米,无毛,成熟时黄绿色;外果皮厚,干时有皱纹;果核渐尖,横切面圆形至六角形,在钝的肋角和核盖之间有浅沟槽,核盖有稍凸起的中肋,外面浅波状;核盖厚1.5-2(-3)毫米。种子1-2,不育室稍退化。花期4-5月,果10-12月成熟。
分布(Distribution):产福建、台湾、广东、广西、云南,野生于海拔1 300米以下的沟谷和山坡杂木林中,或栽培于庭园、村旁。分布于越南北部至中部。日本(长崎、冲绳)及马来半岛有栽培。
用途(Use):为很好的防风树种及行道树。木材可造船,作枕木。制家具、农具及建筑用材等。果可生食或渍制;药用治喉头炎、咳血、烦渴、肠炎腹泻。核供雕刻,兼药用,治鱼骨鲠喉有效。种仁可食,亦可榨油,油用于制肥皂或作润滑油.
引自中国植物志英文版FOC Vol. 11 Page 108
Canarium album (Loureiro) Raeuschel, Nomencl. Bot. 287. 1797.
橄榄 gan lan | Burseraceae  | Canarium
Pimela alba Loureiro, Fl. Cochinch. 2: 408. 1790.
Trees, 7-25(-35) m tall. Branchlets 5-6 mm in diam., tomentose with yellowish brown hairs when young, glabrescent. Leaves stipulate; leaflets 3-6 pairs; blades lanceolate, elliptic, or ovate, 6-14 × 2-5.5 cm, glabrous or abaxially sparsely setose on veins, base rounded or obliquely cuneate, margin entire, apex acuminate with acumen up to ca. 2 cm; lateral veins 12-16 pairs. Inflorescences axillary, minutely tomentose or glabrescent. Male flowers numerous in cymose panicles 15-30 cm; female inflorescence racemose, with less than 8 flowers. Calyx 2.5-3 mm, 3-fid in male flowers, nearly truncate in female flowers. Stamens glabrous; filaments connate for more than 1/2 of length; disk globose or terete and slightly 6-lobed in male flowers, annular, thick and fleshy, with 3 shallowly sinuate teeth and adaxially somewhat pubescent in female flowers. Infructescences 1.5-15 cm, with 1-6 fruits; persistent calyx flat, ca. 5 mm in diam., with recurved lobes. Drupe ovoid or spindle-shaped, 25-35 mm, yellow-green, glabrous; exocarp thick, wrinkled when dry; pyrene acuminate. Fl. Apr-May, fr. Oct-Dec.
Forests on slopes, valleys, also cultivated; 100-1300 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Taiwan, Yunnan [Vietnam].
(责任编辑:徐晔春)

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