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绒毛假糙苏Paraphlomis albo-tomentosa C. Y. Wu

绒毛假糙苏Paraphlomis albo-tomentosa C. Y. Wu

别名:野芝麻(湖南永顺)

科名:唇形科 Labiatae

属名:假糙苏属 Paraphlomis

《中国植物志》第65(2)卷522页
  11. 绒毛假糙苏 野芝麻(湖南永顺)图版110:1-13
  Paraphlomis albo-tomentosa C. Y. Wu in Act. Phytotax. Sin. 8 (1): 36, pl. IV, f. 1-13. 1959; H. W. Li in ibid. 10 (1): 67. 1965.
  草本,从纤细须根直立,具长而被绵毛的匍匐枝。茎单生,高约50厘米,钝四棱形,被倒向平伏毛,向基部无叶,上部具叶。茎下部叶早落,上部叶阔三角状卵圆形,长4-9厘米,宽3-6厘米,先端短渐尖,基部宽楔形,基部以上有不规则而向上渐远离的犬齿状锯齿,草质,上面橄榄绿色,脉上密被余部疏被平伏毛,下面呈白色,脉上被平伏毛余部密被单毛状的绒毛,侧脉5-7对,不显著;叶柄扁平,密被平伏毛,长3-5厘米,较下部的最长。轮伞花序具4-8花,多少明显地由具短梗的紧缩聚伞花序所组成,其下承以叶状的苞片及线形的小苞片;总梗长约5毫米;花梗无。花萼管状钟形,长8-9毫米,外面密被白色具节平伏毛,内面具硬毛,脉不明显,齿5,长三角形,先端锐尖,等大。花冠白色,长1.5-2厘米,密被平伏毛,细,直,上部外弯,冠檐二唇形,上唇长椭圆形,全缘,下唇稍大,3浅裂,中裂片倒梯形,顶端微缺,内面混生硬毛及微柔毛。雄蕊4,内藏,近等长,花丝丝状,被微柔毛,插生于冠筒喉部,花药长圆形,药室2,平行。花柱内藏,丝状,先端不相等2浅裂。子房无毛。花期7月。
  产湖南西南部;生于山谷溪旁。模式标本采自湖南永顺。
形态特征:草本,从纤细须根直立,具长而被绵毛的匍匐枝。茎单生,高约50厘米,钝四棱形,被倒向平伏毛,向基部无叶,上部具叶。茎下部叶早落,上部叶阔三角状卵圆形,长4—9厘米,宽3—6厘米,先端短渐尖,基部宽楔形,基部以上有不规则而向上渐远离的犬齿状锯齿,草质,上面橄榄绿色,脉上密被余部疏被平伏毛,下面呈白色,脉上被平伏毛余部密被单毛状的绒毛,侧脉5—7对,不显著;叶柄扁平,密被平伏毛,长3—5厘米,较下部的最长。轮伞花序具4—8花,多少明显地由具短梗的紧缩聚伞花序所组成,其下承以叶状的苞片及线形的小苞片;总梗长约5毫米;花梗无。花萼管状钟形,长8—9毫米,外面密被白色具节平伏毛,内面具硬毛,脉不明显,齿5,长三角形,先端锐尖,等大。花冠白色,长1.5—2厘米,密被平伏毛,细,直,上部外弯,冠檐二唇形,上唇长椭圆形,全缘,下唇稍大,3浅裂,中裂片倒梯形,顶端微缺,内面混生硬毛及微柔毛。雄蕊4,内藏,近等长,花丝丝状,被微柔毛,插生于冠筒喉部,花药长圆形,药室2,平行。花柱内藏,丝状,先端不相等2浅裂。子房无毛。花期7月。
产地分布:产湖南西南部;生于山谷溪旁。模式标本采自湖南永顺。
参考文献:Paraphlomisalbo-tomentosaC.Y.WuinAct.Phytotax.Sin.8(1):36,pl.IV,f.1—13.1959;H.W.Uinibid.10(1):67.1965.

《Flora of China》 Vol. 17 (1994)
Paraphlomis albotomentosa  C. Y. Wu
绒毛假糙苏   rong mao jia cao su
Herbs with long, lanate stolons. Stems solitary, ca. 50 cm, retrorse strigose, leafless toward base. Lower stem leaves early deciduous; petiole densely strigose, 3-5 cm, longest basally; upper stem leaf blades broadly triangular-ovate, 4-9 × 3-6 cm, herbaceous, adaxially sparsely strigose, densely so on veins, abaxially densely white tomentose except for strigose veins, base broadly cuneate, margin gradually remote dentate-serrate above base, apex short acuminate; lateral veins 5-7 pairs, inconspicuous. Verticillasters 4-8-flowered, surrounded by leaflike bracts and linear bracteoles; peduncle ca. 5 mm. Flowers sessile. Calyx tubular-campanulate, 8-9 mm, densely strigose, hirsute inside, veins inconspicuous; teeth equal, narrowly triangular, acute. Corolla white, 1.5-2 cm, densely strigose, slender, straight, recurved at apex; upper lip oblong, entire; lower lip somewhat larger, middle lobe trapeziform, apex emarginate, hirsute-puberulent inside. Ovary glabrous. Fl. Jul.
* Valley streamsides. Hunan.

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