栏目

三翅萼Legazpia polygonoides (Benth.) Yamazaki

三翅萼Legazpia polygonoides (Benth.) Yamazaki

科名:玄参科 Scrophulariaceae

属名:三翅萼属 Legazpia

《中国植物志》第67(2)卷117页
  1.三翅萼 图版10:1-4
  Legazpia polygonoides (Benth.) Yamazaki, Journ. Jap. Bot. 30: 359. 1955; 中国高等植物图鉴4: 25.图5463. 1975. ——Torenia polygonoides Benth. Scroph. Ind. 36. 1835.
  匍匐草本,下部节上生根,几无毛,分枝细弱。叶具0.5-0.8毫米之柄;叶片卵状椭圆形或卵圆状菱形,长1-2厘米,前半部具带短尖的圆锯齿,纸质,两面无毛。总花梗长约2毫米,顶端有花1-4朵;总苞片2枚,小而叶状,长约1毫米;苞片钻状,长1-2毫米,花梗长约5毫米;花萼矩圆形至近于圆形,果期长达9毫米,顶端有3枚很小的尖齿,翅宽达4毫米,其基部下延成耳,耳与花梗分离;花冠白色或紫蓝色,略较萼长,上唇全缘,先端圆钝,下唇3裂;蒴果长卵形,长约8毫米。花果期7-8月。
  分布广东、广西。生于路旁、山谷阴湿处。缅甸至太平洋密克罗尼亚群岛也有。

《Flora of China》 Vol. 18 (1998)
Legazpia polygonoides  (Bentham) T. Yamazaki
三翅萼   san chi e
Torenia polygonoides Bentham, Scroph. Ind. 39. 1835.
Herbs, subglabrous. Branches slender. Petiole 0.5-0.8 mm; leaf blade ovate-elliptic to ovate-rhomboid, 1-2 cm, papery, glabrous, margin crenate-serrate on distal 2/3. Inflorescences 1-4-flowered; peduncle 0.5-1.5 cm; involucral bracts 2, acerose, ca. 1 mm. Pedicel 2-6 mm; bracteole subulate, 1-2 mm. Calyx oblong to suborbicular, to 9 mm in fruit, base short auriculate, wings to 4 mm wide, apex with 3 small sharp teeth. Corolla white or purple-blue, slightly longer than calyx; lower lip 3-lobed; upper lip entire; lobe apices obtuse. Capsule oblong-ovoid, ca. 8 mm. Fl. and fr. Jul-Aug.
Trailsides, shady and wet places of mountain valleys. Guangdong, Guangxi [Indonesia, Malaysia, Myanmar, Philippines; Oceania].

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