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昆明柏Juniperus gaussenii

时间:2013-07-15 15:39来源:未知 作者:徐晔春 点击:
昆明柏,Juniperus gaussenii





中文名(Chinese Name):昆明柏
学名(Scientific Name): Juniperus gaussenii W. C. Cheng
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Sabina gaussenii (Cheng) Cheng et W. T. Wang;Juniperus chinensis var. gaussenii (W. C. Cheng) Silba 
科属(Family & Genus):柏科(Cupressaceae)刺柏属(Juniperus
形态特征(Description):小乔木,高约8米,或为灌木;枝直伸或斜展,圆柱形,枝皮暗褐色,裂成薄片脱落;小枝直或稍成弧状弯曲。叶全为刺形,生于小枝下部的叶较短,交叉对生或3叶交叉轮生,近直立或上部斜展,鳞状刺形,长2-4.5毫米,先端锐尖,下面常具棱脊,近基部有一斜方形或矩圆形的腺体;生于小枝上部的叶较长,3叶交叉轮生,刺形,通常斜展,长6-8毫米,下面常沿中脉凹下成细纵槽。球果生于直或弯曲小枝的顶端,卵圆形,顶端圆或微呈叉状,长约6毫米,常被白粉,熟时蓝黑色,有1-2 (-3)粒种子;种子卵圆形,两端钝,或先端尖基部圆,长约5毫米,具少数浅树脂槽,上部有不明显的棱脊。
分布(Distribution):为我国特有树种,产于云南昆明(模式标本产地)、西畴等地,生于海拔1200-2000米地带。
用途(Use):常栽培作绿篱或作庭园树。木材可供农具、家具及文具等用。
引自中国植物志英文版FOC Vol. 4
Juniperus gaussenii W. C. Cheng, Trav. Lab. Forest. Toulouse T. 1(3, 8): 3. 1940.
昆明柏 kun ming bai | Cupressaceae  | Juniperus
Juniperus chinensis Linnaeus var. gaussenii (W. C. Cheng) Silba; Sabina gaussenii (W. C. Cheng) W. C. Cheng & W. T. Wang.
Shrubs or small trees to 8 m tall; branches ascending or spreading; branchlets spreading or drooping, straight or slightly curved. Leaves toward base of branchlets, decussate or in whorls of 3, all needlelike, 2-4.5 mm, usually keeled abaxially, with a rhombic or oblong gland, base decurrent, apex sharply pointed; leaves toward apex of branchlets 6-8 mm, grooved along midvein abaxially. Pollen cones not seen. Seed cones terminal on very short branchlets, usually glaucous, bluish black when ripe, ovoid, ca. 6 mm, 1- or 2(or 3)-seeded, apex rounded or slightly 2-lobed. Seeds ovoid, ca. 5 mm, with a few shallow resin pits, apex indistinctly ridged.
* 1200-2000 m. C Yunnan
A little-known species found in C Yunnan and in part described from planted trees in or near Kunming. It is in need of further collection and study.

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