巨柱唇柱苣苔

多年生草本,具有塊狀根狀莖。蒴果線形,直長約5cm,密被褐色短柔毛。花期10月。

基本介紹

  • 中文學名:巨柱唇柱苣苔
  • :植物界
  • 苔蘚植物門
  • 苔綱
  • :巨柱唇柱苣苔
形態特徵,生長環境,分布範圍,

形態特徵

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.5-3 cm X 1-3 mm; leaf blade elliptic to narrowly ovate or narrowly obovate, 2.5-5(-7) X 1-2 cm, papery, adaxially densely puberulent and villous, eglandular, abaxially grayish velutinous to densely pubescent, base cuneate to broadly cuneate, margin entire, apex acute to rounded; lateral veins ca. 3 on each side of midrib, inconspicuous. Cymes 1-3-flowered; peduncle ca. 6 cm, densely pubescent to villous; bracts 2, free, triangular-linear, ca. 2 X 0.3 mm, pilose, margin entire, apex obtuse. Pedicel ca. 5 mm, densely spreading pilose. Calyx 5-sect from base; segments equal, lanceolate-linear, 4-5 X 0.8-1 mm, outside densely pilose, inside above sparsely pubescent, margin entire, apex acute. Corolla white, ca. 2.3 cm, outside sparsely puberulent, inside glandular puberulent near mouth; tube narrowly funnelform, 1.5-1.8 X ca. 0.5 cm; adaxial lip ca. 4 mm; abaxial lip 8-9 mm. Filaments ca. 6.5 mm, pilose basally, pubescent above; anthers fused by entire adaxial surfaces, ca. 3.2 mm, abaxially pilose; staminodes absent. Pistil ca. 1.5 cm, puberulent; ovary ca. 5.5 mm. Stigma narrowly oblong, ca. 1 mm, undivided. Capsule erect, ca. 5 cm. Fl. Oct.* Rocks in shaded hilly regions. N Guangdong (Lian Xian).
葉約8,基生,葉片厚紙質,長橢圓形,長2.5-5(-7)cm,寬1-2cm,先端微尖,基部漸狹,邊緣近全緣,上面密被短柔毛並散生少數長柔毛,下面密被灰白色短絨毛,側脈每側約3,不明顯;葉柄長2-3cm。花序1回分枝,每花序1-3花;花序梗長達6cm,密被短柔毛;苞片對生,線形,長約2mm,密被短柔毛;花梗長約0.5cm,花萼長4-5mm,5裂達基部,裂片披針狀線形,外面密被柔毛。花冠白色,長約2.2cm,外面密被短柔毛;筒長1.3-1.8cm,口部直徑約5mm,上唇長約4mm,下唇長約9mm,裂片長圓形或長圓狀倒卵形,先端圓形。雄蕊2,花絲長約6.5mm,基部被柔毛,向上被短柔毛;花葯以整個腹面連著,長約3.2mm,背面被柔毛;退化雄蕊缺失;雌蕊長約1.5cm,被微柔毛;子房線形,長約5.5mm,與花柱均密被短柔毛。柱頭狹長圓形,長約1mm,不分裂。

生長環境

生長於低山陰處石上。

分布範圍

分布於廣東連州。

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