折毛圓唇苣苔檢視原始碼討論檢視歷史
折毛圓唇苣苔 |
中文名:折毛圓唇苣苔 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:管狀花目 Tubiflorae 科:苦苣苔科 屬:圓唇苣苔屬 二名法:Gyrocheilos retrotrichus |
折毛圓唇苣苔(zhé máo yuán chún jù tái),學名:Gyrocheilos retrotrichus W. T. Wang,異名:Gyrocheilos retrotrichum ,為苦苣苔科圓唇苣苔屬下的一個種。 [1]
折毛圓唇苣苔形態特徵
多年生草本。根狀莖粗壯,頂端粗1.8厘米。葉均基生,具長柄;葉片紙質,心形,長10.5-14厘米,寬14厘米,頂端微尖;
基部心形,邊緣有重牙齒,兩面被長0.6-1.6毫米的短伏毛,掌狀脈7條;葉柄長達15厘米,密被開展或向下斜展的毛(毛長0.8-2毫米)。
聚傘花序約3條,長7-11厘米,4回分枝,具多數花;花序梗長24一34厘米,被開展的柔毛;苞片對生,卵形,長6-8毫米,邊緣有淺鈍齒,被短柔毛;
小苞片卵形或披針形,長2-5毫米,被疏柔毛或無毛;花梗長5-10毫米,無毛。花萼鍾狀,長約4毫米,無毛或在一些裂片頂端有1-3條小毛,5裂至距基部1.5-2毫米處;
裂片線狀披針形,寬1.2毫米,微鈍。花冠紫色,長約13毫米,無毛;筒長7.5毫米,口部粗4毫米;上唇長3毫米,下唇長5.5毫米,3裂至中部之下,裂片長圓形。
雄蕊無毛,花絲着生於距花冠基部4毫米處,披針狀線形,長3毫米,花葯長2.5毫米;退化雄蕊2,着生於距花冠基部5毫米處,棒狀,長約1.5毫米,無毛。
花盤高 0.5毫米。雌蕊長約14毫米,無毛,子房長6毫米,直徑0.6毫米。花期3月。
Petiole to 18 cm, densely spreading or retrorsely pubescent, hairs 0.8-2 mm; leaf blade broadly ovate to reniform, 7-15.5 X 5.5-15.5 cm, adaxially with mixed hairs 0.2-1.2 and 1-2 mm, abaxially puberulent with longer hairs along veins, margin double dentate, apex acute to obtuse.
Peduncle 8.5-34 cm, spreading pubescent, hairs 0.2-2 mm; bracts 6-8 X 2-3.5 mm, margin entire to crenate. Pedicel glabrous. Calyx 3-4 mm, 2-lipped or 4- or 5-lobed; tube 1-2 mm; lobes equal to unequal, narrowly ovate to obovate, 1-3 mm wide, outside glabrous or some lobes with 1-3 short hairs near apex.
Corolla rose-pink, ca. 1.3 cm; tube ca. 7.5 mm; adaxial lip semi-orbicular, ca. 3 mm; abaxial lip ca. 5.5 mm. Stamens adnate to corolla ca. 4 mm above base; filaments ca. 3 mm; anthers ca. 2.5 mm; staminodes adnate to corolla ca. 5 mm above base, 0.5-1.5 mm. Pistil ca. 1.4 cm, glabrous; ovary ca. 6 mm. Capsule 2.5-3 cm. Fl. Mar-Jul, fr. May-Sep.
- Valley forests, shaded rocks in valleys; 400-1000 m. Guangdong, N Guangxi, SE Guizhou.
1 Leaf blade adaxially with mixed hairs, 0.3-1.2 and 1.8-2 mm; calyx 5-lobed, lobes equal, 1-1.5 mm wide; staminodes clavate, ca. 1.5 mm; cymes many flowered, peduncle 9-34 cm, hairs 0.5-2 mm 4a var. retrotrichus 折毛圓唇苣苔 (原變種)
+ Leaf blade adaxially with mixed hairs, 0.2-0.5 and 1-2 mm; calyx 4-lobed or 2-lipped, lobes unequal, 1-3 mm wide; staminodes linear, ca. 0.5 mm; cymes 5- to many flowered, peduncle 8.5-19 cm, hairs 0.2-1.2 mm
折毛圓唇苣苔生長環境
生長于山谷林中。
折毛圓唇苣苔分布範圍
分類文獻
Gyrocheilos retrotrichum W. T. Wang in Bull. Bot. Res. 1(3): 34, pl. 2, fig. 8-10, pl. 5, fig. 2. 1981. ——Didymocarpus floribundus Chun var. retrotrichus Chun ex W. T. Wang, 1. c., pro syn.