北附地菜Trigonotis radicans

北附地菜Trigonotis radicans

北附地菜Trigonotis radicans

中文名(Chinese Name):北附地菜
学名(Scientific Name):Trigonotis radicans (Turcz.) Stev.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Myosotis radicans Turcz.  Trigonotis koreana Nakai
科属(Family & Genus):紫草科(Boraginaceae)附地菜属
形态特征(Description):多年生草本。根状茎短粗,深褐色。茎数条丛生,高20-32厘米,不分枝或上部分枝,疏生贴伏的短糙毛或近无毛,秋季在茎上部叶腋内常发出丝状匍匐枝,其上常生根。基生叶和茎下部叶卵形或椭圆状卵形,长2-4厘米,宽1-2厘米,秋季常增大,先端具短尖头,基部圆或楔形,两面被短伏毛;叶柄长3-12厘米,基部略扩张;茎生叶似基生叶但叶片较小,叶柄较短。花序顶生,有叶状苞片;花单生腋外;花梗细,斜伸,长1.5-2毫米;花萼裂片长圆状披针形,长3-4毫米,先端稍尖;花冠淡蓝色,直径约8毫米,筒部长约2毫米,檐部5裂,裂片宽倒卵形,长约4.5毫米,宽约3.5毫米,喉部附属物5,厚,梯形,高约0.8毫米,顶端凹缺,有短柔毛;花药长圆形,长约1毫米,先端钝。小坚果4,幼果为斜三棱锥状四面体形,有短毛,背面三角状卵形,顶端尖,具短柄。花期5-7月。
分布(Distribution):产东北及山东(昆嵛山及崂山)。生山地林缘或灌丛、山谷及溪旁湿润处。日本、朝鲜、苏联远东地区也有。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 369      
Trigonotis radicans (Maximowicz) Riedl, Linzer Biol. Beitr. 25: 94. 1993.
北附地菜 bei fu di cai | Boraginaceae  | Trigonotis
Omphalodes sericea Maximowicz, Bull. Acad. Imp. Sci. Saint-Petersbourg 17: 453. 1872; O. aquatica Brand; O. aquatica var. sinica Brand; O. sericea var. koreana Brand; Trigonotis coreana Nakai; T. nakaii H. Hara; T. radicans var. sericea (Maximowicz) H. Hara; T. sericea (Maximowicz) I. M. Johnston; T. sericea Ohwi.
Herbs perennial, sparsely short strigose, glabrescent, or more densely sericeous-strigose. Stems several, cespitose, erect becoming creeping, to 50 cm tall, rooting from apex or producing rooting branches from axils of upper leaves. Petiole of basal leaves to 18 cm; leaf blade oblong-ovate to ovate, 1-4 cm, rarely longer, abaxially finely short strigose, base cordate to rounded, apex acute; midvein prominent, lateral veins obscure; stem leaves short petiolate. Pedicel to 2 cm in fruit, densely short strigose. Flowers solitary, above stem leaf axils. Calyx 5-parted; lobes lanceolate to broadly ovate, ca. 3 mm, to 5 mm in fruit, apex acute. Corolla light blue or white; tube ca. 1.2-2 mm; throat appendages ca. 0.5 mm, pubescent; limb 6-8(-12) mm wide; lobes divaricate, oblong. Anthers elliptic, ca. 0.5 mm, apex obtuse. Mature nutlets brown, oblique subulate, trigonous-tetrahedral, pubescent, adaxial bottom surface slightly smaller than 2 lateral surfaces; abaxial surfaces flat, rhomboid to rhomboid-ovate, ca. 2 mm, margin narrowly ribbed, apex acute; stipe ca. 0.8 mm, curved. Fl. Jun-Aug, fr. Jul-Sep.
Forest margins, thickets, brookside meadows. NE Hebei, Heilongjiang, Jilin, Liaoning [Japan, Korea, Russia].
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