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裂萼糙苏Phlomis ruptilis C. Y. Wu

裂萼糙苏Phlomis ruptilis C. Y. Wu

科名:唇形科 Labiatae

属名:糙苏属 Phlomis

《中国植物志》第65(2)卷464页
  34. 裂萼糙苏 图版89:8-12
  Phlomis ruptilis C. Y. Wu in Addenda 599. 1977.
  多年生草本。茎多分枝,四棱形,具槽及条纹,密被星状疏柔毛。上部茎生叶箭状长圆形,长9-1.7厘米,宽5-8.5厘米,先端急尖,基部箭状心形,边缘为粗圆齿状锯齿,苞叶卵圆形,向上渐变小,但均超过花序,长(2.5)3-6厘米,宽1.2-4厘米,叶片均上面橄榄绿色,疏被中枝较长的星状短柔毛,网脉下陷,下面灰白色,密被星状疏柔毛;上部茎生叶叶柄长0.8-7.5厘米,苞叶叶柄长1-5毫米。轮伞花序多花,约3-5个生于主茎及分枝上,彼此分开,具极不明显的总梗;苞片钻形,长3-8毫米,草质,被星状短柔毛及中枝特长的星状疏柔毛。花萼管状,长约11毫米,宽约4毫米,脉不十分明显,被星状短柔毛及混生的中枝特长的星状疏柔毛,干后淡绿色,近边缘呈黄褐色,花期及果期常撕裂,齿半圆形,先端具长约1-2毫米的小刺尖。花冠黄色,长约1.8厘米,冠筒长约1厘米,外面在背部上方被疏柔毛余部无毛,内面近基部1/3具斜向间断的小疏柔毛环,冠檐二唇形,上唇长约8毫米,外面密被星状绵毛,边缘近全缘或具小齿,自内面被髯毛,下唇长宽约8毫米,外面除边缘外密被星状绵毛,3圆裂,中裂片较大,倒卵形,侧裂片卵形。雄蕊内藏,花丝具毛,后对基部即在毛环上具长而向上反折的附属器。花柱先端不等的2裂。小坚果无毛。花期9月。
  产云南西北部;生于草坡上,海拔3200-3500米。模式标本采自云南鹤庆。
形态特征:多年生草本。茎多分枝,四棱形,具槽及条纹,密被星状疏柔毛。上部茎生叶箭状长圆形,长9—17厘米,宽5—8.5厘米,先端急尖,基部箭状心形,边缘为粗圆齿状锯齿,苞叶卵圆形,向上渐变小,但均超过花序,长(2.5)3—6厘米,宽1.2—4厘米,叶片均上面橄榄绿色,疏被中枝较长的星状短柔毛,网脉下陷,下面灰白色,密被星状疏柔毛;上部茎生叶叶柄长0.8—7.5厘米,苞叶叶柄长1—5毫米。轮伞花序多花,约3—5个生于主茎及分枝上,,彼此分开,具极不明显的总梗;苞片钻形,长3—8毫米,草质,被星状短柔毛及中枝特长的星状疏柔毛。花萼管状,长约21毫米,宽约4毫米,脉不十分明显,被星状短柔毛及混生的中枝特长的星状疏柔毛,干后淡绿色,近边缘呈黄褐色,花期及果期常撕裂,齿半圆形,先端具长约1—2毫米的小刺尖。花冠黄色,长约1.8厘米,冠筒长约1厘米,外面在背部上方被疏柔毛余部无毛,内面近基部1/3具斜向间断的小疏柔毛环,冠檐二唇形,上唇长约8毫米,外面密被星状绵毛,边缘近全缘或具小齿,自内面被髯毛,下唇长宽约8毫米,外面除边缘外密被星状绵毛,3圆裂,中裂片较大,倒卵形,侧裂片卵形。雄蕊内藏,花丝具毛,后对基部即在毛环上具长而向上反折的附属器。花柱先端不等的2裂。小坚果无毛。花期9月。
产地分布:产云南西北部;生于草坡上,海拔3200—3500米。模式标本采自云南鹤庆。
参考文献:PhlomisruptilisC.Y.WuinAddenda599.1977.

《Flora of China》 Vol. 17 (1994)
Phlomis ruptilis  C. Y. Wu
裂萼糙苏   lie e cao su
Stems much branched, striate, densely stellate pilose. Petiole 0.8-7.5 cm; upper stem leaf blades sagittate-oblong, 9-17 × 5-8.5 cm, adaxially sparsely stellate pubescent and hairs with longer central arms, abaxially densely gray stellate pilose, base sagittate-cordate, margin coarsely crenate-serrate, apex acute. Verticillasters 3-5, many flowered, widely spaced; peduncle obscure; floral leaves with petiole 1-5 mm, blade longer than verticillasters, (2.5-)3-6 × 1.2-4 cm; bracts subulate, 3-8 mm, herbaceous, with stellate hairs. Calyx tubular, ca. 11 × 4 mm, conspicuously veined, with stellate hairs, yellow-brown near margin when dry, splitting longitudinally; teeth semicircular, apical spine 1-2 mm. Corolla yellow, ca. 1.8 cm; tube ca. 1 cm, glabrous outside, apex pilose on back, pilose annulate inside; upper lip ca. 8 mm, margin subentire or denticulate, densely stellate lanate outside, bearded inside; lower lip ca. 8 × 8 mm, densely stellate lanate except on margin outside, middle lobe obovate, lateral lobes ovate. Stamens included; filaments hairy, posterior 2 with a long, upwardly curved basal appendage. Nutlets glabrous. Fl. Sep.
* Grassy slopes; 3200-3500 m. Yunnan.

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