尖叶假龙胆Gentianella acuta (Michx.) Hulten

别名：苦龙胆;阿古特-其其格;

科名：龙胆科 Gentianaceae

属名：假龙胆属 Gentianella

《中国植物志》第62卷318页
  9. 尖叶假龙胆（中国高等植物图鉴）苦龙胆（东北植物检索表）
  Gentianella acuta (Michx.) Hulten in Mem. Soc. Fauna Fl. Fenn. 25: 76. 1950;中国高等植物图鉴3: 400. 图4753. 1974. ——Gentiana acuta Michx. Fl. Bor. -Amer. 1: 177. 1803: Grossh. in Kom. Fl. URSS 18: 607. 1952. ——G. amarella var. fastigiata Ling, 中国北部植物图志2: 21. 图版5. 1933. syn. nov. ——Gentianella amarella (L.) Boern. subsp. acuta (Michx.) J. M. Gillett in Ann. Missouri Bot. Gard. 44 (3): 253. 1957. ——Gentiana amarella L. subsp. acuta (Michx.) Hulten. in Ark. Bot. (Stockholm) 7(1): 107. 1967.——G. amarclla auct. non L.: 东北植物检索表285. 1959.
  一年生草本，高24-35厘米。主根细长。茎直立，单一，上部有短的分枝，近四棱形。基生叶早落；茎生叶无柄，披针形或卵状披针形，长1.5-3.5厘米，宽0.3-1厘米，先端急尖，基部稍宽，不连合，叶脉3-7条，在下面较明显。聚伞花序顶生和腋生，组成狭窄的总状圆锥花序；花5数，稀4数；花梗细而短，长2-8毫米，四棱形；花萼长为花冠的1/2-2/3，深裂，萼筒浅钟形，长1-2毫米，裂片狭披针形，长4-7毫米，宽约1毫米，先端渐尖，边缘略增厚，背部中脉隆起，脊状；花冠蓝色，狭圆筒形，长8-11毫米，喉部宽约3毫米，裂片矩圆状披针形，长3-4毫米，宽约1.5毫米，先端急尖，基部具6-7条排列不整齐的流苏，流苏长柔毛状，内有维管束，冠筒基部具8-10个小腺体，雄蕊着生于冠筒中部，花丝线形，长约2毫米，基部下延成狭翅，花药蓝色，矩圆形，长约1毫米；子房无柄，圆柱形，长5-6毫米，花柱不明显。蒴果无柄，圆柱形；种子褐色，圆球形，直径0.6-0.8毫米，表面具小点状突起。花果期8-9月。
  产东北、华北地区的各省。生于山坡、草甸子，海拔1500米以下。苏联、蒙古、北美洲（模式标本产地）也有分布。

《Flora of China》 Vol. 16 (1995)
Gentianella acuta  (Michaux) Hulten
尖叶假龙胆   jian ye jia long dan
Gentiana acuta Michaux, Fl. Bor.-Amer. 1: 177. 1803; G. amarella Linnaeus var. fastigiata Ling.
Annuals 25-35 cm tall. Stems erect, subquadrangular, branched apically. Basal leaves withered at anthesis. Stem leaves sessile, lanceolate to ovate-lanceolate, 1.5-3.5 cm × 3-10 mm, base obtuse to rounded, apex acute, veins abaxially 3-7. Inflorescences axillary and terminal, forming narrow panicles. Flowers 5 rarely 4merous. Pedicel slender, 2-8 mm, subquadrangular. Calyx 5-9 mm; lobes narrowly lanceolate, keeled, 4-7 mm, apex acuminate. Corolla blue, tubular, 8-11 × ca. 3 mm; lobes oblong-lanceolate, 3-4 × ca. 1.5 mm, base of each lobe bearing 6 or 7 unequal vascular fimbriae, apex acute. Nectaries 8 or 10. Stamens inserted at middle of corolla tube; filaments ca. 2 mm, decurrent basally into narrow wings of corolla tube; anthers blue, ellipsoid, ca. 1 mm. Style indistinct; stigma lobes suborbicular. Capsules sessile, narrowly ellipsoid, 5-7 mm. Seeds brown, globose, 0.6-0.8 mm in diam.; seed coat warty. Fl. and fr. Aug-Sep.
Hillsides, wet meadows; 0-1500 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi [Mongolia, E Russia; North America].