罗勒Ocimum basilicum

中文名(Chinese Name):罗勒
学名(Scientific Name):Ocimum basilicum L.
英文名(English Common Name):sweet basil
别名(Chinese Common Name):零陵香、九层塔
异名(Synonym):Ocimum basilicum var. majus Benth.  Ocimum integerrimum Willd.  Ocimum lanceolatum Schumach. & Thonn.  Ocimum laxum Vahl ex Benth.  Ocimum anisatum Benth.  Ocimum barrelieri Roth  Ocimum basilicum var. album (L.) Benth.  Ocimum basilicum var. densiflorum Benth.  Ocimum basilicum var. difforme Benth.  Ocimum basilicum var. glabratum Benth.  Ocimum basilicum var. purpurascens Benth.  Ocimum basilicum var. thyrsiflorum (L.) Benth.  Ocimum bullatum Lam.  Ocimum chevalieri Briq.  Ocimum ciliare B.Heyne ex Hook.f.  Ocimum ciliatum Hornem.  Ocimum citrodorum Blanco  Ocimum cochleatum Desf.  Ocimum dentatum Moench  Ocimum hispidum Lam.  Ocimum majus Garsault  Ocimum medium Mill.  Ocimum minus Garsault  Ocimum nigrum Thouars ex Benth.  Ocimum odorum Salisb.  Ocimum simile N.E.Br.  Ocimum thyrsiflorum L.  Plectranthus barrelieri (Roth) Spreng.
科属(Family & Genus):唇形科(Labiatae)罗勒属
形态特征(Description):一年生草本,高20-80厘米,具圆锥形主根及自其上生出的密集须根。茎直立,钝四稜形,上部微具槽,基部无毛,上部被倒向微柔毛,绿色,常染有红色,多分枝。叶卵圆形至卵圆状长圆形,长2.5-5厘米,宽1-2.5厘米,先端微钝或急尖,基部渐狭,边缘具不规则牙齿或近于全缘,两面近无毛,下面具腺点,侧脉3-4对,与中脉在上面平坦下面多少明显;叶柄伸长,长约1.5厘米,近于扁平,向叶基多少具狭翅,被微柔毛。总状花序顶生于茎、枝上,各部均被微柔毛,通常长10-20厘米,由多数具6花交互对生的轮伞花序组成,下部的轮伞花序远离,彼此相距可达2厘米,上部轮伞花序靠近;苞片细小,倒披针形,长5-8毫米,短于轮伞花序,先端锐尖,基部渐狭,无柄,边缘具纤毛,常具色泽;花梗明显,花时长约3毫米,果时伸长,长约5毫米,先端明显下弯。花萼钟形,长4毫米,宽3.5毫米,外面被短柔毛,内面在喉部被疏柔毛,萼筒长约2毫米,萼齿5,呈二唇形,上唇3齿,中齿最宽大,长2毫米,宽3毫米,近圆形,内凹,具短尖头,边缘下延至萼筒,侧齿宽卵圆形,长1.5毫米,先端锐尖,下唇2齿,披针形,长2毫米,具刺尖头,齿边缘均具缘毛,果时花萼宿存,明显增大,长达8毫米,宽6毫米,明显下倾,脉纹显著。花冠淡紫色,或上唇白色下唇紫红色,伸出花萼,长约6毫米,外面在唇片上被微柔毛,内面无毛,冠筒内藏,长约3毫米,喉部多少增大,冠檐二唇形,上唇宽大,长3毫米,宽4.5毫米,4裂,裂片近相等,近圆形,常具波状皱曲,下唇长圆形,长3毫米,宽1.2毫米,下倾,全缘,近扁平。雄蕊4,分离,略超出花冠,插生于花冠筒中部,花丝丝状,后对花丝基部具齿状附属物,其上有微柔毛,花药卵圆形,汇合成1室。花柱超出雄蕊之上,先端相等2浅裂。花盘平顶,具4齿,齿不超出子房。小坚果卵珠形,长2.5毫米,宽1毫米,黑褐色,有具腺的穴陷,基部有1白色果脐。花期通常7-9月,果期9-12月。
分布(Distribution):产新疆、吉林、河北、华东、华南及西南,多为栽培,南部各省区有逸为野生的。非洲至亚洲温暖地带也有。
用途(Use):、叶及花穗含芳香油,一般含油0.1-0.12%,油的比重(15℃)0.900-0.930,折光度(20℃)1.4800-1.4950,旋光度(20℃)-6°-20°,其主要成分为草藁素(含量在55%左右),芳樟醇(含量34.5-40%)及其他如乙酸芳樟酯、丁香酚等,主要用作调香原料,配制化妆品、皂用及食用香精,亦用于制牙膏、漱口剂中作矫味剂。嫩叶可食,亦可泡茶饮,有驱风、芳香、健胃及发汗作用。全草入药,治胃痛,胃痉挛、胃肠胀气、消化不良、肠炎腹泻、外感风寒、头痛、胸痛、跌打损伤、瘀肿、风湿性关节炎、小儿发热、肾脏炎、蛇咬伤,煎水洗湿疹及皮炎;茎叶为产科要药,可使分娩前血行良好;种子名光明子,主治目翳,并试用于避孕。
引自植物志英文版:FOC Vol. 17 Page 296
Ocimum basilicum Linnaeus, Sp. Pl. 2: 597. 1753.
罗勒 luo le| Lamiaceae  | Ocimum
Herbs annual. Stems erect, 20-80 cm tall, apex retrorse puberulent, base glabrous, tinged red, much branched. Petiole ca. 1.5 cm, ± narrowly winged apically; leaf blade ovate to oblong, 2.5-5 × 1-2.5 cm, subglabrous, abaxially glandular, base attenuate, margin irregularly dentate or subentire, apex subobtuse to acute; lateral veins 3- or 4-paired. Thyrses 10-20 cm, puberulent; verticillasters puberulent or densely pilose, approximate apically; bracts sessile, oblanceolate, 5-8 mm, base attenuate, margin ciliate, apex acute, colored. Pedicel ca. 3 mm in flower, to 5 mm in fruit. Calyx campanulate, ca. 4 × 3.5 mm, pubescent outside, pilose at throat inside, tube ca. 2 mm; middle tooth of upper lip widest, ca. 2 × 1 mm, subcircular, concave, apex mucronate; lateral teeth broadly ovate, ca. 1.5 mm, apex acute; lower lip teeth lanceolate, ca. 2 mm, apex spinescent, ciliate; fruiting calyx persistent, conspicuously veined. Corolla purplish or with upper lip white, limb puberulent outside; tube ca. 3 mm, throat ± dilated; upper lip wide, ca. 3 × 4.5 mm, 4-lobed, ± flat; lower lip purple, ca. 6 mm. Stamens free, slightly exserted, posterior 2 dentate, base puberulent. Nutlets dark brown, ovoid, ca. 2.5 × 1 mm, glandular foveolate. Fl. Jul-Sep, fr. Sep-Dec.
Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Sichuan, Taiwan, Xinjiang, Yunnan, Zhejiang [Africa, Asia]
罗勒Ocimum basilicum

罗勒Ocimum basilicum

罗勒Ocimum basilicum(责任编辑:徐晔春)

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