栏目

美果九节Psychotria calocarpa Kurz

美果九节Psychotria calocarpa Kurz

别名:小功劳;美果九节木;九节;花叶九节;跌打药;驳骨草;牙歪硬;美果九果;花叶九节木;

科名:茜草科 Rubiaceae

属名:九节属 Psychotria

《中国植物志》第71(2)卷51页
  4. 美果九节(云南种子植物名录)
  Psychotria calocarpa Kurz in Journ. Asiat. Soc. Bengal 41 (2): 315. 1872 et in For. Fl. Brit. Burma 2: 9. 1877; Hook. f. Fl. Brit. Ind. 3: 173. 1880; Hutchins. in Sargent, Pl. Wils. 3: 415. 1916; Hara et Gould in Hara et al. Enum. Flow. Pl. Nepal 2: 206. 1979; 云南种子植物名录, 下册: 1269. 1984.——P. asiatica Wall. in Roxb. Fl. Ind. ed. Carey 2: 160. 1824, non Linn.
  亚灌木,高0.25-1米,具匍匐的根状茎;嫩枝被棕褐色皱曲的柔毛。叶对生,纸质,长圆形、倒卵状长圆形或椭圆状披针形,长9.5-17厘米,宽2.5-7厘米,顶端短尖或渐尖,稀钝,基部楔形,边全缘,干时常呈赤红色,两面无毛,或在下面有疏而紧贴的棕褐色皱曲的柔毛,常沿中脉和侧脉上较密,中脉在上面平或凹下,在下面凸起,侧脉11-15对,在下面凸起,斜上升,在近边缘处结成一明显的边脉;叶柄无毛或有棕褐色皱曲的柔毛,长0.5-4厘米;托叶卵形或近圆形,长约1厘米,宽约8毫米,顶端2裂成钻状长尖,无毛或有棕褐色皱曲的柔毛。聚伞花序小,腋生或顶生,长2-3厘米,宽2-2.5厘米,有花数至10多朵,总花梗有棕褐色皱曲的柔毛;苞片披针形,常脱落;花小,具短花梗;花萼长约2毫米,顶端4裂,萼裂片线状披针形,具缘毛;花冠白色,内面被白色长柔毛,花冠管与萼裂片等长,花冠裂片短,长圆形,顶端稍钝。果椭圆形,橙黄色或红色,果皮薄,长约8.5毫米,直径约6毫米,顶端有宿存的萼;种子椭圆形,在背部不明显地具4棱,长约7毫米,宽约3.5毫米。花期5-7月,果期8一翌年2月。
  产云南(思茅、景洪、普洱、红河、潞西)、西藏。生于山坡林中,海拔800-1640米。分布于印度、锡金、不丹、尼泊尔、孟加拉国、缅甸、越南、马来西亚。
  据《全国中草药汇编》载:全株入药,功能清热解毒,祛风利湿,镇静,镇痛;能治细菌性痢疾、肠炎腹泻、咳嗽、癫痈、肾炎、膀胱炎、风湿性腰腿痛。

《Flora of China》 Vol. 19 (2011)
Psychotria calocarpa  Kurz J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 41: 315. 1872.
美果九节   mei guo jiu jie
Subshrubs, 0.25-1 m tall, often rhizomatous; stems pilosulous to glabrous. Petiole 0.5-4 cm, glabrous or brown pilosulous; leaf blade drying papery, brownish red, gray, or dark green, elliptic-oblong, elliptic, obovate-oblong, or elliptic-lanceolate, 9.5-17 × 2.5-7 cm, glabrous on both surfaces or densely puberulent to hirtellous abaxially, base cuneate to acute, margins flat, apex acute, acuminate, or rarely obtuse; secondary veins 9-15 pairs, forming a generally straight submarginal vein, without domatia; stipules caducous, ovate to suborbicular, interpetiolar, basal portion 4-10 mm, glabrous or puberulent to hirtellous, 2-lobed, lobes narrowly triangular, 2-6 mm, acuminate to subulate. Inflorescences terminal or pseudoaxillary, congested-cymose, several to many flowered, hirtellous; peduncle 0.8-2 cm; branched portion corymbiform to subglobose, 1-3 × 2-4 cm, branched to 1 or weakly 2 orders; bracts lanceolate to narrowly triangular, 0.8-5 mm; pedicels 1-6 mm. Flowers pedicellate. Calyx glabrous to puberulent; limb ca. 2 mm, deeply lobed; lobes linear to linear-lanceolate, entire to ciliolate. Corolla white; tube ca. 2 mm, white villous inside; lobes elliptic-oblong, obtuse. Drupes red or orange, ellipsoid, 7-8.5 × 4.5-6 mm; pyrenes with 4 or 5 low ridges. Fl. May-Jul, fr. Aug-Feb of following year.
Forests on mountain slopes; 800-1700 m. Xizang, Yunnan [Bangladesh, Bhutan, India, Malaysia, Myanmar, Nepal, Thailand, Vietnam].
This species is used medicinally.This species is used medicinally.

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