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資料編號: | HK-766 |
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中文名稱: | 台灣斑鳩菊 |
學名: | Decaneuropsis gratiosa [找同屬植物] |
異名: | Vernonia gratiosa |
植物科名: (APG新系統) | ASTERACEAE菊科 [找同科植物] |
標室舊系統 | ASTERACEAE菊科[找同科] |
生長習性: | 攀援狀小灌木 |
原生/外來: | 香港原生植物 |
資料更新: | 20230124 01:26:41 pm |
備註: Photo Reference: 見到頭狀花序含8-12朵花 Photo Reference2 茄葉斑鳩菊同毒根斑鳩菊葉好相似: 毒根斑鳩菊:花葉枝都係黑色點腺體 茄葉斑鳩菊:葉沒有黑色點腺體. 深圳植物誌: 小喬木或大灌木[**有時屈曲延伸,近成攀援狀];側脈每邊7-9條; 管狀花8-10朵-茄葉斑鳩菊 攀援狀小灌木;葉片兩面有腺體,側脈每邊5-7條;頭狀花序具18-21朵花-毒根斑鳩菊 攀援狀小灌木;葉片兩面無腺體,側脈每邊7-9條;頭狀花序含8-12朵花。台灣斑鳩菊 深圳植物誌: 攀援狀小灌木。莖長2-3m,分枝多,具條紋,密被銹色或灰褐色絨毛。葉柄長0.5-1cm,密被長柔毛;葉片紙質,長圓形或長圓狀披針形,長6-12cm,寬1.5-4.8cm,基部近楔形,邊緣全緣或具疏小齒,先端短漸尖,側脈每邊7-9條,下面密被短柔毛,上面疏被短柔毛或近無毛。 頭狀花序數枚,直徑 0.8-1.5cm;通常在莖、枝端排成疏傘房花序狀的聚繖花序,而在莖上端則再組成圓錐花序狀的聚繖花序;花序梗長0.4-1.2cm;總苞半球形至鐘形,長約6mm,寬約7mm;總苞片4層,外層總苞片短,條形或條狀披針形,中層和內層總苞片卵形至長圓形,下面被褐色短柔毛;花序托稍凸起,具小窩孔;管狀花8-12朵,長約1cm,花冠紅紫色,管部外面密被微柔毛,簷部裂片條狀披針形,無毛。瘦果近圓柱形,長3-3.5mm,略扁,具10條縱肋,被微柔毛;冠毛紅褐色,2層,外層冠毛少數或無,易脫落,內層冠毛糙毛狀,長0.9-1cm。花期:8月至翌年2月。果期:8月至翌年2月。 FOC: Scandent shrubs, to 3 m. Stems many, terete, striate, densely gray-brown tomentose. Petiole 4-10 mm, densely pubescent; leaf blade oblong or lanceolate-oblong, 6-12 × 1.5-4 cm, papery, abaxially sparsely puberulent or subglabrous, adaxially densely gray-green or gray-brown pubescent, lateral veins 6-12-paired, veins adaxially inconspicuously raised, veinlets reticulate, base cuneate-rounded, margin entire or laxly mucronulate, apex shortly acuminate. Synflorescences terminal or axillary, paniculate. Capitula several, 10-15 mm in diam.; peduncles 2-12 mm. Involucre campanulate, ca. 6 × 7 mm, usually 1/2 as long as pappus; phyllaries ca. 4-seriate, outer short, linear or linear-lanceolate, densely brown pubescent, apex acute, median and inner oblong. Receptacle rather convex, foveolate. Florets ca. 10; corolla purple, tubular, ca. 10 mm, tube ca. 5 mm, densely puberulent; lobes linear-lanceolate, glabrous. Achenes cylindric, rather compressed, 3-3.5 mm, 10-ribbed, puberulent. Pappus 2-seriate, sordid brown or reddish brown; outer setae very short, deciduous; inner setae 9-10 mm, scabrid-barbellate. Fl. and fr. Aug-Feb. | |
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1-766a | |