白花蔓枝滿天星學名Gypsophila repens 'Alba',石竹科滿天星(霞草、絲石竹、石頭花)屬一年生草本植物,又稱白花霞草,園藝栽培種,植株纖細輕盈,株高五至二十五公分,莖圓柱形,被微柔毛,上部無毛,分枝多,自基部開始分枝,莖與分枝常在節部膨大,單葉對生,葉線形、線狀披針形,纖細,端部急尖至鈍狀,基部漸狹,全緣葉,葉長五至二十五公釐,寬一至三公釐,葉面灰綠至蒼白色,葉上表面無毛,葉背被短柔毛,近平行脈,葉脈不明顯,無托葉,無葉柄,兩性花,整齊花,聚繖花序,再排列成圓錐花序狀,頂生或腋生,二歧,疏散開展狀,花梗細,直挺,無毛,苞片葉狀,尖狀,花萼長鐘狀、倒圓錐筒狀,長一至三公釐,五裂,覆瓦狀排列,膜質,萼齒裂至四分之一或三分之一,圓形,頂端嚙蝕狀,小花多,如繁星密布,花冠闊鐘形,花白色,脈色較深,展開,花型有單瓣與重瓣之分,單瓣花花瓣五枚,與花萼同數,楔形、倒卵狀楔形,頂端嚙蝕狀,雄蕊通常是花瓣數二倍,與花瓣等長或稍長,花藥二室,縱裂,雌蕊心皮二至五枚,合生,花柱短,子房卵球形,子房上位,子房一室,中央胎座,胚珠一至數枚,蒴果,卵圓形,比宿存萼長,種子細小,多數,歪卵形,黑色,種皮具整齊之鈍疣狀凸起(粗瘤),種子具外懸胚。
滿天星(Gypsophila)屬常見之品種有:
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Gypsophila acutifolia(尖葉石頭花)
Gypsophila altissima(高石頭花)
Gypsophila aretioides(白花滿天星)
Gypsophila arrostii
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Gypsophila bicolor
Gypsophila bungeana
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Gypsophila capituliflora(頭狀石頭花)
Gypsophila cephalotes(膜苞石頭花)
Gypsophila cerastioides(花鼠耳滿天星、照鼠耳滿天星、卷耳狀石頭花)
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Gypsophila davurica(草原石頭花)
Gypsophila desertorum(荒漠石頭花)
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Gypsophila elegans(縷絲花、線狀花瞿麥)
Gypsophila elegans 'Carminea'
Gypsophila elegans 'Covent Garden'
Gypsophila elegans 'Garden Bride Pink'
Gypsophila elegans 'Giant White'
Gypsophila elegans 'Snow Fountain'
Gypsophila elegans 'White Elephant'
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Gypsophila fastigiata(沙生帚絲生竹)
Gypsophila fastigiata 'Silverstar'
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Gypsophila huashanensis(華山石頭竹)
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Gypsophila licentiana(細葉石頭花)
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Gypsophila muralis(細小石頭花)
Gypsophila muralis 'Garden Bride'
Gypsophila muralis 'Gypsy Deep Rose'
Gypsophila muralis 'Gypsy Rose'
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Gypsophila nana
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Gypsophila oldhamiana(長蕊石頭花)
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Gypsophila pacifica(大葉石頭花)
Gypsophila paniculata(宿根滿天星、大花滿天星、錐花絲石竹、圓錐花絲石竹、錐花霞草)
Gypsophila paniculata 'Bristol Fairy'
Gypsophila paniculata 'Compacta Plena'
Gypsophila paniculata 'Double Snowflake'
Gypsophila paniculata 'Early Snowball'
Gypsophila paniculata 'Festival Pink'
Gypsophila paniculata 'Festival Star'
Gypsophila paniculata 'Festival White'
Gypsophila paniculata 'Happy Festival'
Gypsophila paniculata 'Million Stars'
Gypsophila paniculata 'My Pink'
Gypsophila paniculata 'Pink Fairy'
Gypsophila paniculata 'Pink Star'
Gypsophila paniculata 'Snowflake'
Gypsophila paniculata 'Viette's Dwarf'
Gypsophila paniculata 'Yukinko Crystal'
Gypsophila patrinii(紫萼石頭花)
Gypsophila perfoliata(鈍葉石頭花)
Gypsophila petraea
Gypsophila pilosa
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Gypsophila repens(蔓枝滿天星、霞草)
Gypsophila repens 'Alba'
Gypsophila repens 'Red Neck'
Gypsophila repens 'Rosa'
Gypsophila repens 'Rosa Schoenheit'
Gypsophila repens 'Rose Beauty'
Gypsophila rokejeka
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Gypsophila scorzonerifolia
Gypsophila sericea(絹毛石頭花)
Gypsophila silenoides
Gypsophila spinosa(刺序石頭花)
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Gypsophila tenuifolia
Gypsophila tschiliensis(河北石頭花)
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Gypsophila violacea
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Gypsophila 'Ivory curls'
Gypsophila 'Perfecta'
Gypsophila 'Summer Sparkles'
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