以下为句子列表：
英文: Description: Evergreen trees to 20 m tall, glabrous throughout; buds, young twigs, lower surfaces of leaves, and bracts covered with white powder.
中文: 形态特徵:常绿乔木，高达20米；各部均无毛；芽、幼枝、叶背和苞片均背白粉。
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英文: Flower-heads narrowly campanulate, 16-19 mm long, ca. 6 mm across, usually 2-4 in terminal clusters; peduncle 2-8 mm; involucral bracts ca. in 7 series, ribbed on abaxial surface, apex spiny.
中文: 叶互生，卵形，长3-5.5厘米，宽2-4厘米，先端短尖，基部近截形，边缘具疏齿，两面被长柔毛，具基出脉3条；叶柄长3-5毫米。
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英文: Flowers 1-2 in leaf axils, pedicels 1 cm long, stout; bracts broadly ovate, 4-5 mm long; sepals 5, elliptic-ovate, 7-8 mm long, apex rounded; petals 5, 8-10 mm long, base connate; stamens numerous, 5-7 mm long.
中文: 花1-2朵腋生，花柄长1厘米，粗壮；苞片阔卵形，长4-5毫米；萼片5，椭圆状卵形，长7-8毫米，先端圆；花瓣5，长8-10毫米，基部合生；雄蕊多数，长5-7毫米。
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英文: Flowers red, sessile, 5-7 cm in diam.; bracts and sepals covered with caducous silky hairs; petals 6-7, 3.5-4 cm long, base connate; stamens 3 cm long, glabrous; ovary hairy, styles 3-4, distinct.
中文: 花红色，无柄，直径5-7厘米；苞片及萼片被有脱落性绢毛；花瓣6-7，长3.5-4厘米，基部连生；雄蕊长3厘米，无毛；子房有毛，花柱3-4，离生。
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英文: Flowers solitary and terminal, 8-10 cm in diam., sessile; bracts 3; sepals 5, obovate, covered with caduceus tomentum outside; petals 6-8, white, obovate, 3-4.5 cm long, connate at base, outmost 2 hairy; stamens numerous, distinct, 1.7 cm long; ovary hair
中文: 花单朵顶生，直径8-10厘米，无柄；苞片3；萼片5，倒卵形，外面有脱落性茸毛；花瓣白色，6-8片，倒卵形，长3-4.5厘米，基部连生，最外2片有毛；雄蕊多数，离生，长1.7厘米；子房有毛，花柱3。
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