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大花糙苏Phlomis megalantha

时间:2013-09-25 13:17来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):大花糙苏 学名( Scientific Name ): Phlomis megalantha Diels 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Phlomis megalantha var. pauciflora C. Y. Wu Phlomoides megalantha
中文名(Chinese Name):大花糙苏
学名(Scientific Name):Phlomis megalantha Diels
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Phlomis megalantha var. pauciflora C. Y. Wu  Phlomoides megalantha (Diels) Kamelin & Makhm.
科属(Family & Genus):唇形科(Labiatae)糙苏属
形态特征(Description):多年生草本;根木质,由主根生出多数坚硬木质须根。茎高15-45厘米,有时具不育分枝,钝四棱形,疏被倒向短硬毛。茎生叶圆卵形或卵形至卵状长圆形,长5-17.5厘米,宽4.2-11厘米,先端急尖或钝,稀渐尖,基部心形,上部的有时浅心形至几截形,边缘为深圆齿状,苞叶卵形至卵状披针形,较小,但超过花序,叶片均上面橄榄绿色,被贴生短纤毛,下面较淡,沿脉上被具节疏柔毛,具皱纹,茎生叶叶柄长1.5-10厘米,苞叶叶柄较短,长不及1厘米。轮伞花序多花,1-2个生于主茎顶部,彼此分离,有时稍靠近;苞片线状钻形,长(6)10-15(20)毫米,宽至2(4)毫米,较萼为短,具中肋,边缘密被具节缘毛。花萼管状钟形,长1.8-2.8厘米,宽约8毫米,外面沿脉上被具节疏柔毛,齿先端微凹,端具长约2毫米的小刺尖,齿间小齿先端微凹,自内面具丛毛,边缘被微柔毛。花冠淡黄、蜡黄至白色,长3.7-5厘米,冠筒外面上部疏被短柔毛,下部无毛,内面无毛环,冠檐二唇形,上唇长1.2-1.4厘米,外面密被短柔毛,边缘具小齿,自内面被髯毛,基部截形,下唇较大,长约1.7厘米,宽约1.3厘米,外面被短柔毛,3圆裂,中裂片圆卵形,长约9毫米,宽约7毫米,边缘为不整齐的波状,侧裂片三角形,较小。雄蕊花丝具长毛,无附属器。花柱先端不等的2短裂。小坚果无毛。花期6-7月,果期8-11月。
分布(Distribution):产山西、陕西、四川;生于海拔2500-4200米冷杉林下或灌丛草坡。
用途(Use):
引自植物志英文版:
FOC Vol. 17 Page 151 Phlomis megalantha Diels, Bot. Jahrb. Syst. 36 (Beibl. 82): 95. 1905.
大花糙苏 da hua cao su | Lamiaceae  | Phlomis
Taproots woody, with numerous, rigid, woody lateral roots. Stems 15-45 cm tall, sparsely retrorse minute hispid. Petiole 1.5-10 cm; stem leaf blades circular-ovate to ovate-oblong, 5-17.5 × 4.2-11 cm, adaxially corrugate, appressed ciliolate, abaxially pilose on veins, base cordate to subtruncate, margin deeply crenate, apex acute or obtuse, rarely acuminate. Verticillasters 1 or 2, few to many flowered, sometimes ± approximate; floral leaves longer than verticillasters; bracts linear-subulate, (6-)10-15(-20) × 2(-4) mm, densely ciliate. Calyx tubular-campanulate, 1.8-2.8 cm × ca. 8 mm, veins pilose outside; teeth double toothed at margin, puberulent, apex emarginate, tufted-pilose inside, spines ca. 2 mm. Corolla yellowish to white, 3.7-5 cm; tube apex pubescent, basally glabrous outside, without hairy annulus inside; upper lip 1.2-1.4 cm, base truncate, margin denticulate, densely pubescent outside, bearded inside; lower lip ca. 1.7 × 1.3 cm, pubescent outside; middle lobe circular-ovate, ca. 9 × 7 mm, margin irregularly undulate; lateral lobes triangular. Filaments long hairy, without basal appendages. Nutlets glabrous. Fl. Jun-Jul, fr. Aug-Nov.
* Abies forests, thickets, grassy slopes; 2400-4200 m. Hubei, Shaanxi, Shanxi, Sichuan.
 




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