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灯笼细辛Asarum inflatum C. Y. Cheng et C. S. Yang

灯笼细辛Asarum inflatum C. Y. Cheng et C. S. Yang

别名:奉节细辛;土细辛;苕叶细辛;

科名:马兜铃科 Aristolochiaceae

属名:细辛属 Asarum

《中国植物志》第24卷187页
  23.灯笼细辛(中国高等植物图鉴)图版43:1-5
  Asarum inflatum C. Y. Cheng et C. S. Yang in Journ. Arn. Arb. 64: 589. f. 9. 1983.
  多年生草本;根状茎短,根丛生,稍肉质,直径2-3毫米。叶片卵形、三角状卵形或近戟形,长4-11厘米,宽5-11厘米,先端急尖,基部耳形,两侧裂片长2.5-3.5厘米,宽2-3厘米,常外展,叶面深绿色,在脉上和近边缘处有短毛,叶背浅绿色,无毛;叶柄长7-10厘米,疏被柔毛;芽苞叶卵形,长约1.5厘米,宽约1厘米,边缘密生长睫毛。花紫色,花梗长约1厘米;花被管基部管状,长约1厘米,直径约1.5厘米,内外均有细密纵纹,中部以上膨大成一高约9毫米,直径约2厘米的环突,环突外面有纵行细密条纹,内壁有较粗脊状皱褶,喉部极缢缩,膜环宽达4毫米,花被裂片卵形,长达3.5厘米,宽约2.5厘米,基部有三角形的乳突皱褶区;药隔伸出,钝圆形;子房半下位,花柱6,顶端2深裂,柱头侧生。花期5月。
  产于四川东北部。生于海拔1000-1400米的山沟岩隙阴湿地。模式标本采自苍溪。
  本种全草在产地入药。
  本种和大叶马蹄香Asarum maximum Hemsl.相近,两者花被管均有环突,但本种的环突在管的上部,粗大而较宽,有纵行细密条纹,喉部极度缢缩,喉孔有宽阔膜环;花被裂片卵形,基部具乳突状皱褶,不具半圆形垫状斑块可区别。

《Flora of China》 Vol. 5 (2003)
Asarum inflatum  C. Y. Cheng & C. S. Yang
灯笼细辛   deng long xi xin
?Asarum dabieshanense D. Q. Wang & S. H. Hwang.
Herbs. Rhizomes vertical, 2-3 mm in diam., internodes less than 1 cm. Leaves solitary; petiole 7-10 cm, puberulent; leaf blade uniformly colored, ovate, triangular-ovate, or subhastate, 4-11 × 5-11 cm, abaxial surface glabrous or puberulent, adaxial surface puberulent along veins and margin, base auriculate, lateral lobes divaricate, 2.5-3.5 × ca. 2.3 cm, apex acute; cataphylls ovate, ca. 1.5 × 1 cm. Peduncle ascending to recurved, ca. 1 cm. Calyx dull purple, campanulate-rotate, inflated at middle, 3-4 × 3-4.5 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube lantern-shaped, basal 1/2 cylindric, ca. 1 × 1.5 cm, apical 1/2 abruptly swollen into broad disk with abaxial ridges, ca. 0.9 × 2 cm, narrowly constricted at throat, adaxially densely rugose-ribbed, orifice ring ca. 4 mm wide; lobes ovate, ca. 3.5 × 2.5 cm, base with pinkish triangular corrugate-papillate area. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, obtuse. Ovary half-inferior. Styles free, apex 2-forked; stigmas lateral. Fl. May.
* Forests, valleys, moist places, rock fissures. ?Anhui, NE Sichuan.
Asarum dabieshanense, described from Anhui (Changchong), is included here on the basis of the protologue; further research is needed to clarify its position and status.

This species is used medicinally.

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