栏目

花叶秋海棠Begonia cathayana Hemsl.

花叶秋海棠Begonia cathayana Hemsl.

别名:公鸡酸苔;中华秋海棠;山海棠;苦酸苔;花叶一口血;散血子;绒叶秋海棠;绒叶海棠;山秋海棠;华秋海棠;

科名:秋海棠科 Begoniaceae

属名:秋海棠属 Begonia

《中国植物志》第52(1)卷231页
  98.花叶秋海棠(中国高等植物图鉴)中华秋海棠(云南种子植物名录),山海棠、公鸡酸苔(中药大辞典),华秋海棠(经济植物手册)
  Begonia cathayana Hemsl. in Curtis′s Bot. Mag. 134: t. 8202. 1908; Irmsch. in Mitt. Inst. Allg. Bot. Hamburg 10: 524. 1939; Yu in Bull. Fan Mem. Inst. Biology, new ser. 1(2): 122. 1948;中国高等植物图鉴2: 936,图3601. 1972 (sphalmate ut“cathyana”) excl. pl. Fujian; 中国高等植物图鉴补编2: 537, 539, in clavi. 1983, excl. Pl. Fujian; C. Y. Wu et al. Index Fl. Yunnan. 1: 349. 1984: L. B. Smith et al. in Smithson. Contr. Bot. 60: 34, 115, in clavi, 149, Pl. 12, fig. 13, icon. 1986;广西植物志1: 721, pl. 291, fig. 5-6. 1991. ——B. bowringiana Hort. Sandlet in Gard. Chron. 33: 245, cum fig. Suppl. 1902, “bowringia”non Champ. ex Benth.
  多年生具茎草本,高可达60厘米。根状茎伸长,圆柱状,扭曲,节处生出多数纤维状之根。茎常有分枝,有棱,被较短的褐色开展之毛。基生叶未见,茎生叶互生,具长柄;叶片两侧极不相等,轮廓极斜,卵形至宽卵形,长9-14厘米,宽7-10.8厘米,先端渐尖至长渐尖,基部极偏,深心形,窄侧宽2.5-3.9厘米,宽侧向下延长2-3厘米,宽4.5-6厘米,呈宽大耳状,边缘有大小不等三角形浅齿,齿尖带芒,芒长6-10毫米,并常浅裂,裂片三角形,先端急尖,上面深绿色,有一圈明显红紫色的色带,密被短小硬毛,偶在局部有几条较长之毛,下面淡绿色,密被柔毛,沿脉被开展直毛,掌状6-7条脉,中部以上呈羽状;叶柄长3.5-9.8厘米,有纵棱,密被开展之毛;托叶披针形,长约10毫米,先端渐尖,顶端有长芒,两面和边缘均被褐色直毛。花粉红色,8-10朵,呈2-3回二歧聚伞状,花序梗长5-6.1(-11) 厘米,首次分枝长1-3厘米,花期均密被开展短毛,逐渐脱落;苞片早落,小苞片披针形,长5-10毫米,宽1-1.5毫米,先端渐尖,两面和边缘均被硬而开展之毛;雄花:花梗细弱,长约1.3厘米,密被褐色开展卷曲毛;花被片4,外面2枚,宽卵形,长1.7-2厘米,宽约1.2厘米,先端圆,外面密被褐色长毛,内面2枚,长圆形至卵形,长约1.4厘米,宽5-7毫米,先端圆;雄蕊多数,花丝长约1毫米,花药长圆倒卵形,长约1毫米,先端微凹;雌花:花梗长约1.7厘米,被褐色开展之毛;花被片5,近等大,长圆形至宽卵形,先端圆,外面被褐色毛,子房倒卵状长圆形,长约10毫米,直径5-7毫米,外面被毛,2室,每室胎座具2裂片,具不等3翅,花柱2,基部合生,柱头膨大,外面扭曲呈U字形,并密被刺状乳突。蒴果下垂,梗长3.5-4.8厘米,有纵棱,无毛,轮廓倒卵长圆形,长1.8-2.1厘米,疏被毛或近无毛,具不等3翅,大的呈宽舌状或长圆形,长1.2-1.5厘米,宽1.2-1.8厘米,有纵纹,无毛,其余2翅窄,呈斜三角形;种子多数,小,长圆形,淡褐色,光滑。花期8月,果期9月开始。
  产广西(那坡、防城、十万大山)、云南(西畴、麻栗坡、屏边)。生于混交林下、山坡山谷阴处、沟底潮湿处,海拔1200-1500米。模式标本采自云南蒙自。
  《福建植物志》4:27. 1989.记载有此种,但产地不详,可能是依据高等植物图鉴2:936.1972.但未见标本。
  本种外形极似长毛秋海棠B. villifolia Irmsch.,唯本种叶片上面密被短小硬毛;而后者叶片上面被长卷毛,而极不相同。

《Flora of China》 Vol. 13 (2007)
Begonia cathayana  Hemsley
花叶秋海棠   hua ye qiu hai tang
Herbs, erect, to 60 cm tall. Rhizomes poorly developed. Stems often branched, puberulous. Leaves cauline; stipules lanceolate, ca. 1 cm, abaxially villous, apex acuminate and cuspidate; petiole 3.5-9.8 cm, densely puberulous; blade abaxially pale green to red-purple, adaxially dark green with a red-purple V-shaped band, ovate to broadly ovate, asymmetric, 9-14 × 7-10.8 cm, densely puberulous, occasionally sparsely long hairy, venation palmate-pinnate, base oblique, cordate, margin denticulate, very shallowly lobed; lobes triangular, apex acute. Inflorescences puberulous; peduncle 5-6.1(-11) cm; bracts caducous, puberulous, apex acuminate. Staminate flowers: pedicel ca. 1.3 cm; tepals 4, pink or orangish, outer 2 broadly ovate, 1.7-2 × ca. 1.2 cm, outside villous, inner 2 oblong to ovate, ca. 1.4 × 5-7 mm; stamens numerous; filaments ca. 1 mm; anthers oblong-obovoid, ca. 1 mm. Pistillate flowers: pedicel ca. 1.7 cm; tepals 5, pink or orangish, subequal, oblong to broadly ovate, abaxially villous; ovary pubescent, 2-loculed; placentae axile, bilamellate; styles 2, fused at base; stigmas 2-cleft, spiraled. Capsule nodding, obovoid-oblong, 1.8-2.1 cm, unequally 3-winged; adaxial wing broadly ligulate or falcate, 1.2-1.5 × 1.2-1.8 cm, apex rounded; lateral wings smaller. Fl. Aug, fr. Sep. 2n = 20*.
Scrubby vegetation or forests, in shaded environments; 800-1500 m. S Guangxi, SE Yunnan [Vietnam].
Similar to Begonia palmata, this species differs by its short, stout rhizome, lack of leaves on the rhizome, erect stem, and very shallowly divided leaves. Either pink or orangish flowers were observed on plants of this species.

【拼音名】 Huā Yè Qiū Hǎi Tánɡ
【别名】 山海棠、公鸡酸苔、花酸苔
【来源】 秋海棠科花叶秋海棠Begonia cathayana Hemsl.,以全草入药。
【生境分布】 福建、广西、云南。
【性味】 酸、涩,凉。
【功能主治】 清热解毒,活血祛瘀。主治火烫伤,痈疮疖肿,跌打瘀痛。
【用法用量】 鲜品捣烂敷或干粉撒敷。
【摘录】 《全国中草药汇编》

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