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Dinghushan | Family List | Myrtaceae | Psidium

Psidium guajava L.


Description from Flora of China

Guajava pyrifera (Linnaeus) Kuntze; Myrtus guajava (Linnaeus) Kuntze; Psidium pomiferum Linnaeus; P. pyriferum Linnaeus.

Trees, to 13 m tall. Bark gray, smooth, peeling in strips. Branchlets angular, pubescent. Petiole ca. 5 mm; leaf blade oblong to elliptic, 6-12 × 3.5-6 cm, leathery, abaxially pubescent, adaxially slightly rough, secondary veins 12-15 on each side of midvein and usually impressed, reticulate veins obvious, base rounded, apex acute to obtuse. Flowers solitary or 2 or 3 in cymes. Hypanthium campanulate, ca. 5 mm, pubescent. Calyx cap nearly rounded, 7-8 mm, irregularly opening. Petals white, 1-1.4 cm. Stamens 6-9 mm. Ovary adnate to hypanthium. Style as long as stamens. Berry globose, ovoid, or pyriform, 3-8 cm, with persistent calyx lobes at apex; flesh white or yellow; placenta reddish, well developed, fleshy. Seeds many. Fl. summer.

Psidium guajava has become naturalized in disturbed habitats in many tropical parts of the world.

Cultivated and sometimes naturalized in Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Taiwan, and Yunnan [native to tropical America].

生活型: 乔木, 灌木

栽培植物: 栽培

特征: 灌木或小乔木;花白色,

花期: 夏月

果期: 8--9

生境: 生于灌丛、路旁或栽培

用途: 果可食及酿酒;叶药用,收止泻、止血,治食滞腹泻、菌痢、急性肠胃炎及敷刀伤出血等;树皮及果含单宁;叶又可提取芳香油,作调香原料;农具用材

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

中文别名: 石榴、番稔


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