单花凤仙花Impatiens uniflora

单花凤仙花Impatiens uniflora

单花凤仙花Impatiens uniflora

单花凤仙花Impatiens uniflora

单花凤仙花Impatiens uniflora

中文名(Chinese Name):单花凤仙花
学名(Scientific Name):Impatiens uniflora Hayata
英文名(English Common Name):
别名(Chinese Common Name):紫花凤仙花
异名(Synonym):
科属(Family & Genus):凤仙花科Balsaminaceae 凤仙花属Impatiens
形态特征(Description):一年生草本,高8-50厘米,茎直立具翅,常向上部弯曲。叶互生,具柄,叶片纸质,卵形,椭圆形至披针状椭圆形,长1-10厘米,宽1-5厘米,顶端急尖,基部楔形,边缘具锯齿,齿端具小尖,侧脉4-5对,弧状弯曲,上面及下面沿脉被糙毛,叶柄长0.3-2厘米。花单生,稀2,腋生或顶生,淡红紫色,淡紫色或白色,花冠内面有淡紫色或黄色斑点。总花梗长3-5厘米,花梗细,长1-1.5厘米,常被疏糙短毛基部具2苞片;苞片卵形,长1-2毫米。侧生萼片2,卵形或斜卵形,长4毫米,顶端尾状尖;旗瓣近肾形,长9毫米,中肋背面增厚,具狭龙骨状突起,先端具尾状突尖;翼瓣无柄,长19毫米,3裂,基部裂片长圆形,上部裂较大,长圆状斧形,具短裂片,顶端急尖,唇瓣囊状,长2-2.5厘米,口部平展,宽12-15毫米,先端突尖,基部渐狭成长15毫米内弯的距。花丝扁平,长4-5毫米,花药卵形,顶端尾尖。子房纺锤状,喙尖,长3.5毫米。蒴果线形,长1.7-2厘米,顶端喙尖。种子多数,椭圆形,褐色,表面粗糙。花期6-10月。
分布(Distribution):产台湾(台北、屿兰、新竹、台中、南头、嘉义、平东、花莲、台东)。生于松林山坡或草坡,海拔1600-3000米。
用途(Use):
引自中国植物志英文版:FOC Vol. 12 Page 51, 86      
Impatiens uniflora Hayata, J. Coll. Sci. Imp. Univ. Tokyo. 25(19): 66. 1908.
单花凤仙花 dan hua feng xian hua| Balsaminaceae  | Impatiens
Plants annual, 8-50 cm tall. Stem erect, winged, upper part often curved. Leaves alternate; petiole 0.3-2 cm; leaf blade ovate or elliptic to lanceolate-elliptic, 1-10 × 1-5 cm, papery, both surfaces strigose on veins, lateral veins 4 or 5 pairs curved, base cuneate, margin serrate, teeth mucronulate, apex acute. Inflorescences axillary or terminal, 1(or 2)-flowered; peduncles 3-5 cm. Pedicels 1-1.5 cm, often sparsely strigose, 2-bracteate at base; bracts ovate, 1-2 mm. Flowers pale red-purple or white, pale purple spotted or yellow spotted. Lateral sepals ovate or obliquely ovate, ca. 4 mm, apex caudate-acute. Lower sepal saccate, 2-2.5 cm deep, gradually narrowed into an incurved spur ca. 1.5 cm; mouth vertical, 1.2-1.5 cm wide, tip acute. Upper petal subreniform, ca. 9 mm, apex cuspidate, abaxial midvein thickened, narrowly carinate; lateral united petals not clawed, ca. 1.9 cm, 2-lobed; basal lobes oblong; distal lobes oblong-dolabriform, larger, apex obtuse. Filaments compressed, 4-5.5 mm; anthers ovoid, apex acute. Ovary fusiform, ca. 3.5 mm. Capsule ca. 1.7 cm. Seeds many, brown, ellipsoid, ca. 2.5 mm, granular. Fl. Jun-Oct.
● Understories of coniferous forests on mountain slopes, grasslands; 1600-3000 m. Taiwan.(责任编辑:徐晔春)

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