尖瓣花Sphenoclea zeylanica Gaertn.
尖瓣花Sphenoclea zeylanica Gaertn.
1. 尖瓣花（中国高等植物图鉴）楔瓣花（云南热带亚热带植物区系研究报告）
Sphenoclea zeylanica Gaertn., Fruct. et Sem. Fl. 1: 113. pl. 24. f. 5. 1788; Hemsl., Journ. Linn. Soc. Bot. 26: 8. 1889; 吴征镒和李锡文, 云南热带亚热带植物区系研究报告, 第一集: 90. 1965; 中国高等植物图鉴, 4: 398. 图6210. 1975——Gaertnera pongati Retz., Obs. Bot. 6: 24. 1791. ——Rapinia herbacea Lour., Fl. Cochinchin. 1: 127. 1790, et ed, Willd. 156. 1793. ——Pongatium indicum Lam., Encycl. 1: 444. t. 138. 1793.——Pongatium spongiosum Blanco, Fl. Filip. 86. 1837.——Sphenoclea pongatia A. DC. in DC., Prodr. 7: 548. 1839.
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。
产台湾、广东、广西、云南（西双版纳）。东半球热带广布，且引入美洲热带。生于稻田及潮湿处。
《Flora of China》 Vol. 19 (2011)
Sphenoclea zeylanica Gaertner Fruct. Sem. Pl. 1: 113. 1788.
尖瓣花 jian ban hua
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].
别名：chickenspike;空心菜;木空菜;蟾蜍草;牛奶菜;契瓣花;楔瓣花;密穗桔梗;牛奶藤;水空菜;
科名：尖瓣花科 Sphenocleaceae
属名：尖瓣花属 Sphenoclea
1. 尖瓣花（中国高等植物图鉴）楔瓣花（云南热带亚热带植物区系研究报告）
Sphenoclea zeylanica Gaertn., Fruct. et Sem. Fl. 1: 113. pl. 24. f. 5. 1788; Hemsl., Journ. Linn. Soc. Bot. 26: 8. 1889; 吴征镒和李锡文, 云南热带亚热带植物区系研究报告, 第一集: 90. 1965; 中国高等植物图鉴, 4: 398. 图6210. 1975——Gaertnera pongati Retz., Obs. Bot. 6: 24. 1791. ——Rapinia herbacea Lour., Fl. Cochinchin. 1: 127. 1790, et ed, Willd. 156. 1793. ——Pongatium indicum Lam., Encycl. 1: 444. t. 138. 1793.——Pongatium spongiosum Blanco, Fl. Filip. 86. 1837.——Sphenoclea pongatia A. DC. in DC., Prodr. 7: 548. 1839.
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。
产台湾、广东、广西、云南（西双版纳）。东半球热带广布，且引入美洲热带。生于稻田及潮湿处。
《Flora of China》 Vol. 19 (2011)
Sphenoclea zeylanica Gaertner Fruct. Sem. Pl. 1: 113. 1788.
尖瓣花 jian ban hua
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].