白鹃梅 Exochorda racemosa
中文名（Chinese Name）：白鹃梅
学名（Scientific Name）：Exochorda racemosa (Lindl.) Rehder
英文名（English Common Name）：common pearlbrush
别名（Chinese Common Name）：总花白鹃梅、茧子花
异名（Synonym）：Amelanchier racemosa Lindl. Exochorda grandiflora Lindl. Spiraea grandiflora Hook. Albertia simplicifolia A.Regel, nom. nud. Exochorda albertii Regel Exochorda tianschanica Gontsch. Exochorda grandiflora var. albertii (Regel) Asch. & Graebn. Exochorda racemosa f. prostrata (Schwer.) Rehder Exochorda racemosa var. dentata (Chenault ex Rehder) Rehder Exochorda racemosa var. prostrata (Schwer.) Rehder Exochorda grandiflora subtaxon prostrata Schwer.
科属（Family & Genus）：蔷薇科（Rosaceae）白鹃梅属
形态特征（Description）：灌木，高达3-5米，枝条细弱开展；小枝圆柱形，微有稜角，无毛，幼时红褐色，老时褐色；冬芽三角卵形，先端钝，平滑无毛，暗紫红色。叶片椭圆形，长椭圆形至长圆倒卵形，长3.5-6.5厘米，宽1.5-3.5厘米，先端圆钝或急尖稀有突尖，基部楔形或宽楔形，全缘，稀中部以上有钝锯齿，上下两面均无毛；叶柄短，长5-15毫米，或近于无柄；不具托叶。总状花序，有花6-10朵，无毛；花梗长3-8毫米，基部花梗较顶部稍长，无毛；苞片小，宽披针形；花直径2.5-3.5厘米；萼筒浅钟状，无毛；萼片宽三角形，长约2毫米，先端急尖或钝，边缘有尖锐细锯齿，无毛，黄绿色；花瓣倒卵形，长约1.5厘米，宽约1厘米，先端钝，基部有短爪，白色；雄蕊15-20，3-4枚一束着生在花盘边缘，与花瓣对生；心皮5，花柱分离。蒴果，倒圆锥形，无毛，有5脊，果梗长3-8毫米。花期5月，果期6-8月。
分布（Distribution）：产河南、江西、江苏、浙江，生于海拔250-500米山坡阴地。
用途（Use）：
引自中国植物志英文版：FOC Vol. 9 Page 83
Exochorda racemosa (Lindley) Rehder in Sargent, Pl. Wilson. 1: 456. 1913.
白鹃梅 bai jian mei| Rosaceae | Exochorda
Amelanchier racemosa Lindley, Edwards’s Bot. Reg. 33: t. 38. 1847; Exochorda grandiflora Lindley.
Shrubs to 3 m tall. Branchlets red-brown when young, later brown; buds dark purple, trigonous-ovoid, apex obtuse. Petiole 5–15 mm or nearly absent; leaf blade elliptic or narrowly so to oblong-obovate, 3.5–6.5 × 1.5–3.5 cm, glabrous on both surfaces, base cuneate or broadly so, margin entire, rarely obtusely serrate above middle, apex obtuse or acute, rarely apiculate. Raceme 2.5–3.5 cm in diam., 6–10-flowered; peduncle and pedicels glabrous; bracts broadly lanceolate, ca. 3 mm, glabrous. Flowers 2.5–3.5 cm in diam.; pedicel 3–5 mm. Hypanthium shallowly campanulate, glabrous. Sepals broadly triangular, ca. 2 mm, glabrous, apex obtuse or acute. Petals obovate, ca. 1.5 × 1 cm, base shortly clawed, apex obtuse. Stamens 15–20, 3- or 4-fascicled. Capsule glabrous; fruiting pedicel 3–8 mm. Fl. May, fr. Jun–Jul.
Shady slopes; 200--500 m. Henan, Jiangsu, Jiangxi, Zhejiang.
（责任编辑：徐晔春）
学名（Scientific Name）：Exochorda racemosa (Lindl.) Rehder
英文名（English Common Name）：common pearlbrush
别名（Chinese Common Name）：总花白鹃梅、茧子花
异名（Synonym）：Amelanchier racemosa Lindl. Exochorda grandiflora Lindl. Spiraea grandiflora Hook. Albertia simplicifolia A.Regel, nom. nud. Exochorda albertii Regel Exochorda tianschanica Gontsch. Exochorda grandiflora var. albertii (Regel) Asch. & Graebn. Exochorda racemosa f. prostrata (Schwer.) Rehder Exochorda racemosa var. dentata (Chenault ex Rehder) Rehder Exochorda racemosa var. prostrata (Schwer.) Rehder Exochorda grandiflora subtaxon prostrata Schwer.
科属（Family & Genus）：蔷薇科（Rosaceae）白鹃梅属
形态特征（Description）：灌木，高达3-5米，枝条细弱开展；小枝圆柱形，微有稜角，无毛，幼时红褐色，老时褐色；冬芽三角卵形，先端钝，平滑无毛，暗紫红色。叶片椭圆形，长椭圆形至长圆倒卵形，长3.5-6.5厘米，宽1.5-3.5厘米，先端圆钝或急尖稀有突尖，基部楔形或宽楔形，全缘，稀中部以上有钝锯齿，上下两面均无毛；叶柄短，长5-15毫米，或近于无柄；不具托叶。总状花序，有花6-10朵，无毛；花梗长3-8毫米，基部花梗较顶部稍长，无毛；苞片小，宽披针形；花直径2.5-3.5厘米；萼筒浅钟状，无毛；萼片宽三角形，长约2毫米，先端急尖或钝，边缘有尖锐细锯齿，无毛，黄绿色；花瓣倒卵形，长约1.5厘米，宽约1厘米，先端钝，基部有短爪，白色；雄蕊15-20，3-4枚一束着生在花盘边缘，与花瓣对生；心皮5，花柱分离。蒴果，倒圆锥形，无毛，有5脊，果梗长3-8毫米。花期5月，果期6-8月。
分布（Distribution）：产河南、江西、江苏、浙江，生于海拔250-500米山坡阴地。
用途（Use）：
引自中国植物志英文版：FOC Vol. 9 Page 83
Exochorda racemosa (Lindley) Rehder in Sargent, Pl. Wilson. 1: 456. 1913.
白鹃梅 bai jian mei| Rosaceae | Exochorda
Amelanchier racemosa Lindley, Edwards’s Bot. Reg. 33: t. 38. 1847; Exochorda grandiflora Lindley.
Shrubs to 3 m tall. Branchlets red-brown when young, later brown; buds dark purple, trigonous-ovoid, apex obtuse. Petiole 5–15 mm or nearly absent; leaf blade elliptic or narrowly so to oblong-obovate, 3.5–6.5 × 1.5–3.5 cm, glabrous on both surfaces, base cuneate or broadly so, margin entire, rarely obtusely serrate above middle, apex obtuse or acute, rarely apiculate. Raceme 2.5–3.5 cm in diam., 6–10-flowered; peduncle and pedicels glabrous; bracts broadly lanceolate, ca. 3 mm, glabrous. Flowers 2.5–3.5 cm in diam.; pedicel 3–5 mm. Hypanthium shallowly campanulate, glabrous. Sepals broadly triangular, ca. 2 mm, glabrous, apex obtuse or acute. Petals obovate, ca. 1.5 × 1 cm, base shortly clawed, apex obtuse. Stamens 15–20, 3- or 4-fascicled. Capsule glabrous; fruiting pedicel 3–8 mm. Fl. May, fr. Jun–Jul.
Shady slopes; 200--500 m. Henan, Jiangsu, Jiangxi, Zhejiang.
（责任编辑：徐晔春）
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