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Dinghushan | Family List | Euphorbiaceae | Ricinus

Ricinus communis L.


Description from Flora of China

Herbs erect, often single-stemmed but sometimes bushlike or treelike, 2-5(-10) m tall; younger parts glaucous, whole plant often reddish or purplish. Stipules connate, 2-3 cm; petiole 20-40 cm; leaf blade palmately 7-11-lobed, 30-50(-100) × 30-50(-100) cm, margin serrate. Inflorescence to 30 cm. Male flowers: pedicels 5-17 mm; calyx lobes 5-8 × 3-5 mm; stamens 7-8 mm. Female flowers: pedicels 5-10 mm; sepals ca. 5 mm; styles 2-5 mm. Fruiting pedicel to 45 mm; capsule ellipsoid or ovoid, 1.5-2.5 cm, echinate, spines to ca. 5 mm, sometimes smooth. Seed 7-12 mm, grayish, silvery, or beige with darker markings; caruncle depressed-conical, 2-3 mm wide. Fl. Jun-Sep, or Jan-Dec.

The seeds yield castor oil, used medicinally and as an industrial lubricant. The seeds are highly toxic.

Cultivated, ruderal weed, sometimes naturalized in riverbeds; below 100-500(-2300) m. Throughout China [cultivated worldwide].

生活型: 灌木

栽培植物: 栽培

特征: 落叶灌木;

花期: 3

果期: 9

生境: 平地栽培

用途: 种子油是主要工业用油,优良的润滑油.可制皂,印刷油等;医药上作缓泻药;油粕作照相软片原料和肥料,饲料等;叶和种子作农药;根,茎,叶及种子均入药,根治风湿骨痛,跌打肿痛;叶治子宫脱出,疮疡,肿痛,疥癣湿毒,兽医用催生并治胎衣不下,种子(有毒)外敷治淋巴结核及排除外伤异物等

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲


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