中文名（Chinese Name）：尖瓣花
学名（Scientific Name）：Sphenoclea zeylanica Gaertn.
英文名（English Common Name）：chickenspike
别名（Chinese Common Name）：楔瓣花
异名（Synonym）：Gaertnera pongati Retz.；Pongatium indicum Lam.；Pongatium spongiosum Blanco；Pongatium zeylanicum (Gaertn.) Kuntze；Rapinia herbacea Lour.；Sphenoclea pongatia DC.；Gaertnera pangati Retz.；Gaertnera pongatii Retz.；Schrebera pongati DC.
科属（Family & Genus）：桔梗科（Campanulaceae）尖瓣花属
形态特征（Description）：植株全体无毛。茎直立，高20-70厘米，直径可达1厘米，通常多分枝。叶互生，有长达1厘米的叶柄，叶片长椭圆形，长椭圆状披针形或卵状披针形，长2-9厘米，宽0.5-2厘米，全缘，上面绿色，下面灰色或绿色。穗状花序与叶对生，或生于枝顶，长1-4厘米。苞片卵形，顶端渐尖，小；小苞片宽条形而小；花小，长不过2毫米；花萼裂片卵圆形；花冠白色，长1.5毫米，浅裂，裂片开展。蒴果直径2-4毫米。种子棕黄色，长0.5毫米。无固定花果期。
分布（Distribution）：产台湾、广东、广西及云南。生于田边潮湿处。
用途（Use）：
引自中国植物志英文版FOC Vol. 19 Page 504
Sphenoclea zeylanica Gaertner, Fruct. Sem. Pl. 1: 113. 1788.
尖瓣花 jian ban hua| Sphenocleaceae  | Sphenoclea
Gaertnera pangati Retzius; Pongatium indicum Lamarck, nom. illeg. superfl.; P. spongiosum Blanco; P. zeylanicum (Gaertner) Kuntze; Rapinia herbacea Loureiro; Sphenoclea dalzielii N. E. Brown; S. pongatium Candolle, nom. illeg. superfl.
Plants glabrous throughout. Stems erect, usually branched, 20-70 cm tall, to 1 cm in diam. Leaves petiolate; petiole to 1 cm; leaf blade abaxially gray or green, adaxially green, long elliptic, elliptic-lanceolate, or ovate-lanceolate, 2-9 × 0.5-2 cm, margin entire. Spikes 1-4 cm; bracts ovate, apex acuminate; bracteoles broadly linear. Flowers less than 2 mm. Calyx lobes ovate-orbicular. Corolla white, ca. 1.5 mm, shallowly lobed; lobes patent. Capsule 2-4 mm in diam. Seeds brown-yellow, ca. 0.5 mm. Fl. and fr. all year.
Paddy fields, wet places. Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Taiwan, S Yunnan (Xishuangbanna) [Bangladesh, India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam; NE and tropical Africa, SW Asia, Madagascar; introduced in New World tropics].
（责任编辑：徐晔春）