海桑Sonneratia caseolaris
中文名（Chinese Name）：海桑
学名（Scientific Name）：Sonneratia caseolaris (Linn.) Engl.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Sonneratia evenia Blume Sonneratia neglecta Blume Sonneratia obovata Blume Sonneratia ovalis Korth. Rhizophora caseolaris L. Blatti acida (L. f.) Lam.
科属（Family & Genus）：
形态特征（Description）：乔木，高5-6米；小枝通常下垂，有隆起的节，幼时具钝4棱，稀锐4棱或具狭翅。叶形状变异大，阔椭圆形、矩圆形至倒卵形，长4-7厘米，宽2-4厘米，顶端钝尖或圆形，基部渐狭而下延成一短宽的柄，中脉在两面稍凸起，侧脉纤细，不明显；叶柄极短，有时不显著。花具短而粗壮的梗；萼筒平滑无棱，浅杯状，果时碟形，裂片平展，通常6，内面绿色或黄白色，比萼筒长，花瓣条状披针形，暗红色，长1.8-2厘米，宽0.25-0.3厘米；花丝粉红色或上部白色，下部红色，长2.5-3厘米；花柱长3-3.5厘米，柱头头状。成熟的果实直径4-5厘米。花期冬季，果期春夏季。
分布（Distribution）：
用途（Use）：嫩果有酸味可食。呼吸根置水中煮沸后可作软木塞的次等代用品。
引自中国植物志英文版：FOC Vol. 13 Page 287, 288
Sonneratia caseolaris (Linnaeus) Engler in Engler & Prantl, Nat. Pflanzenfam., Nachtr. 1: 261. 1897.
海桑 hai sang| Lythraceae | Sonneratia
Rhizophora caseolaris Linnaeus, Herb. Amboin. 13. 1754; Sonneratia acida Linnaeus f.; S. evenia Blume; S. neglecta Blume; S. obovata Blume; S. ovalis Korthals.
Trees, columnar, 5-20 m tall. Pneumatophores ca. 1 m, thin, pointed; ultimate branchlets pendulous, 4-angled. Petiole 2-9 mm; leaf blade elliptic to broadly elliptic or broadly oblong, 4-11 × 2-7 cm, midrib prominent with inconspicuous lateral veins, base rounded, narrowly to broadly attenuate on petiole, apex rounded with minute, thick mucro. Flowers 5-7-merous. Floral tube 2.5-3 cm at anthesis, smooth, flattened in mature fruit; sepals adaxially green, often red-streaked, 1.4-1.9 cm. Petals red, linear, 1.8-2.9 cm × 1-3 mm. Staminal filaments red, sometimes white distally. Fruit [2-]4-5 cm in diam., broader than floral tube. Seeds irregularly angular, ca. 7 mm. Fl. winter, fr. spring-summer. 2n = 22, 24.
Coastal mangrove communities, tidal creeks, in muddy soil. Hainan [Cambodia, India, Indonesia, Malaysia, N New Guinea, Sri Lanka, Thailand, Vietnam; N Australia, Pacific islands].
（责任编辑：徐晔春）
学名（Scientific Name）：Sonneratia caseolaris (Linn.) Engl.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Sonneratia evenia Blume Sonneratia neglecta Blume Sonneratia obovata Blume Sonneratia ovalis Korth. Rhizophora caseolaris L. Blatti acida (L. f.) Lam.
科属（Family & Genus）：
形态特征（Description）：乔木，高5-6米；小枝通常下垂，有隆起的节，幼时具钝4棱，稀锐4棱或具狭翅。叶形状变异大，阔椭圆形、矩圆形至倒卵形，长4-7厘米，宽2-4厘米，顶端钝尖或圆形，基部渐狭而下延成一短宽的柄，中脉在两面稍凸起，侧脉纤细，不明显；叶柄极短，有时不显著。花具短而粗壮的梗；萼筒平滑无棱，浅杯状，果时碟形，裂片平展，通常6，内面绿色或黄白色，比萼筒长，花瓣条状披针形，暗红色，长1.8-2厘米，宽0.25-0.3厘米；花丝粉红色或上部白色，下部红色，长2.5-3厘米；花柱长3-3.5厘米，柱头头状。成熟的果实直径4-5厘米。花期冬季，果期春夏季。
分布（Distribution）：
用途（Use）：嫩果有酸味可食。呼吸根置水中煮沸后可作软木塞的次等代用品。
引自中国植物志英文版：FOC Vol. 13 Page 287, 288
Sonneratia caseolaris (Linnaeus) Engler in Engler & Prantl, Nat. Pflanzenfam., Nachtr. 1: 261. 1897.
海桑 hai sang| Lythraceae | Sonneratia
Rhizophora caseolaris Linnaeus, Herb. Amboin. 13. 1754; Sonneratia acida Linnaeus f.; S. evenia Blume; S. neglecta Blume; S. obovata Blume; S. ovalis Korthals.
Trees, columnar, 5-20 m tall. Pneumatophores ca. 1 m, thin, pointed; ultimate branchlets pendulous, 4-angled. Petiole 2-9 mm; leaf blade elliptic to broadly elliptic or broadly oblong, 4-11 × 2-7 cm, midrib prominent with inconspicuous lateral veins, base rounded, narrowly to broadly attenuate on petiole, apex rounded with minute, thick mucro. Flowers 5-7-merous. Floral tube 2.5-3 cm at anthesis, smooth, flattened in mature fruit; sepals adaxially green, often red-streaked, 1.4-1.9 cm. Petals red, linear, 1.8-2.9 cm × 1-3 mm. Staminal filaments red, sometimes white distally. Fruit [2-]4-5 cm in diam., broader than floral tube. Seeds irregularly angular, ca. 7 mm. Fl. winter, fr. spring-summer. 2n = 22, 24.
Coastal mangrove communities, tidal creeks, in muddy soil. Hainan [Cambodia, India, Indonesia, Malaysia, N New Guinea, Sri Lanka, Thailand, Vietnam; N Australia, Pacific islands].
（责任编辑：徐晔春）
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