栏目

云南龙胆Gentiana yunnanensis Franch.

云南龙胆Gentiana yunnanensis Franch.

别名:邦见嘎波;滇龙胆;

科名:龙胆科 Gentianaceae

属名:龙胆属 Gentiana

《中国植物志》第62卷139页
  95. 云南龙胆(中国高等植物图鉴)图版22:1-3
  Gentiana yunnanensis Franch. in Bull. Soc. Bot. France 31: 376. 1884; Forbes et Hemsl. in Journ. Linn. Soc. Bot. 26: 138. 1890; Kusnez. in Acta Hort. Petrop. 15 285 1898; Forest in Not. Bot. Gard. Edinb. 4: 74. 1907: Levl. Cat., Pl. Yunnan 115. 1916; H. Smith in Hand. -Mazz. Symb. Sin. 7: 978. 1936: Marq, in Kew Bull. 1937: 187. 1937; S. Nilsson in Grana Palyn. 7(1): 102. 1967;中国高等植物图鉴3: 391. 图4736. 1974. ——G. blinii Levl. in Bull. Geogr. Bot. 25: 22. 1915 et Cat. Pl. Yunnan 113. 1916; Marq. l. c. 165; L. A. Lauen. in Not. Bot. Gard. Edinb. 37 (1): 137. 1978-1979. syn. nov.——G. yunnanensis var. kialensis Marq. l. c. 166; S. Nilsson, l. c. 102. syn. nov.——Gentianodes yunnanensis (Franch. ) A. et D. Love in Bot. Not. 125: 258. 1972.
  一年生草本,高5-30厘米。根系发达,主根明显。茎直立,紫红色,密被乳突,常从基部或下部起多分枝。叶较多,疏离,叶片匙形或倒卵形,长10-35毫米,宽4-13毫米,先端钝圆,基部渐狭,边缘微粗糙或平滑,叶脉1-3条,细而明显,叶柄细,与叶片等长或稍长。花极多数,以1-3朵着生小枝顶端或叶腋;无花梗;花萼筒倒锥状筒形,长6-8.5毫米,裂片不整齐,3个大,匙形,长8-10毫米,2个小,狭椭圆形,长4-6毫米,先端钝圆,基部渐狭,边缘微粗糙或平滑,中脉在背面明显,弯缺圆形;花冠黄绿色或淡蓝色,具蓝灰色斑点,筒形,长(1.5)2.2-2.6厘米,裂片卵形,长3-5毫米,先端钝,全缘,褶整齐,宽卵形,长0.7-1毫米,先端2浅裂或具细齿;雄蕊着生于冠筒中部,内藏,不整齐,花丝线状钻形,3个长,长10-12毫米,2个短,长7-9毫米,花药矩圆形,长1-1.5毫米;子房线形,长8-9毫米,两端渐狭,柄长4-5毫米,花柱线形,连柱头长2-3毫米,柱头2裂,裂片线状矩圆形。蒴果内藏或先端外露,狭矩圆形,长11-13毫米,先端急尖,基部钝,柄常约与蒴果等长,稀长达35毫米;种子褐色,近圆球形,直径0.5-0.7毫米,表面具浅蜂窝状网隙。花果期8-10月。
  产西藏东南部、云南、四川、贵州。生于山坡草地、路旁、高山草甸、灌丛中及林下,海拔2300-4400米。模式标本采自云南洱源。
  本种在我国西南地区分布较广,外部形态上多有变化,茎直立或斜升,从基部或下部起多分枝,叶长10-35毫米,宽4-13毫米,花长1.5-2.5厘米,一般小枝上的叶及花较小。以叶及花萼裂片匙形具爪,但花长仅1.5厘米的G. blinii Levl. 及茎从基部起多分枝,斜升,叶及花萼裂片较狭窄的 G. yunnanensis var. kialensis Marq. 均应是本种。

《Flora of China》 Vol. 16 (1995)
Gentiana yunnanensis  Franchet
云南龙胆   yun nan long dan
Annuals 5-30 cm tall. Stems purple, erect, branched, densely papillate. Petiole equal or slightly longer than leaf blade, slender; leaf blade spatulate to obovate, 1-3.5 cm × 4-13 mm, base narrowed, margin scabrous, apex rounded, veins 1-3. Inflorescences elongated with terminal and many axillary clusters. Flowers sessile or subsessile, 5merous. Calyx tube narrowly obconic, 6-9 mm; lobes narrowly elliptic, unequal, 3 larger and 8-10 mm, 2 smaller and 4-6 mm, base narrowed, margin scabrous, apex obtuse, midvein prominent. Corolla pale yellow-white to pale blue, with blackish streaks and spots, tubular, (1.5-)2.2-2.6 cm; lobes ovate, 3-5 mm, margin entire, apex obtuse; plicae broadly ovate, 0.7-1 mm, symmetric, margin slightly 2cleft or denticulate. Stamens inserted at middle of corolla tube, usually exserted, unequal, 3 longer and 1-1.2 cm, 2 shorter and 7-9 mm; anthers ellipsoid, 1-1.5 mm. Style linear, 2-3 mm, much shorter than ovary; stigma lobes narrowly oblong. Capsules narrowly ellipsoid, 1.1-1.3 cm; gynophore 1.1-1.3(-3.5) cm, slender. Seeds brown, subglobose, 0.5-0.7 mm. Fl. and fr. Aug-Nov.
* Grassland slopes, roadsides, alpine meadows, scrub, forests; 2300-4400 m. Guizhou, SW and W Sichuan, SE Xizang, NE and NW Yunnan.

TOP