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圆叶堇菜Viola striatella

时间:2013-12-05 12:36作者:徐晔春 点击: 次 标签: 堇菜科 Violaceae 堇菜属 Viola
  中文名(Chinese Name):圆叶堇菜
学名(Scientific Name):Viola striatella H. Boissieu
英文名(English Common Name):
别名(Chinese Common Name): 圆叶小堇菜
异名(Synonym):Viola schensiensis W. Beck.  Viola lianhuashanensis C. J. Wang et K. Sun  Viola bambusetorum Hand.-Mazz.  Viola pseudobambusetorum Chang  Viola emeiensis Ching J. Wang  
科属(Family & Genus):堇菜科(Violaceae)堇菜属
形态特征(Description):多年生小草本,无地上茎及匍匐枝,高达7厘米。根状茎垂直或稍斜生,长3-7厘米,粗2-3毫米,上端节密生,下部节间较长,节处有残留的叶柄及托叶,并向下发出较细长褐色根。叶均基生;叶片圆形或心形,稀呈肾形,长1.4-2.5厘米,宽1.4-2厘米,先端短尖,稀圆钝,基部心形,弯缺深达叶片的1/9-1/7,边缘具细锯齿,两面均无毛,上面深绿色,下面淡绿色或微呈淡紫色;叶柄纤细,长2.5-5.5厘米,无毛;托叶干膜质,基部与叶柄合生,下部的托叶宽卵形,先端渐尖,边缘疏生腺状齿,上部的托叶线状披针形或线形,先端急尖,边缘疏生腺状齿,稀具流苏状齿缘。花深紫色,具长梗;花梗纤细,丝状,长5-9厘米,高出于叶,无毛,在中部以下具2枚小苞片;小苞片线形或狭披针形,长3-4毫米,全缘或边缘疏生细齿;萼片披针形,长约5毫米,无毛,具3脉,先端钝,基部附属物较短,末端截形;花瓣倒卵状长圆形,上方花瓣长约1.2厘米,宽约4.5毫米,侧方花瓣长约1.3厘米,宽约4.5毫米,里面近基部有白色须毛,下方花瓣稍短,具短距;距长约3毫米,末端钝或稍圆形;雄蕊长约3毫米,下方两枚具短距;子房圆锥形,长约1.5毫米,无毛,花柱长约2毫米,基部稍膝曲,柱头扁平,两侧及后方具狭缘边,前方具明显的短喙,喙端具较细的柱头孔。花期5-7月。
引自中国植物志英文版:FOC | Family List | FOC Vol. 13 | Violaceae  | Viola 
Viola striatella H. Boissieu, Bull. Herb. Boissier, sér. 2. 1: 1077. 1901.
圆叶堇菜 yuan ye jin cai
Viola bambusetorum Handel-Mazzetti; V. emeiensis C. J. Wang; V. lianhuashanensis C. J. Wang & K. Sun; V. pseudobambusetorum Chang; V. schensiensis W. Becker.
Herbs perennial, acaulescent, 5-7 cm tall. Rhizome nearly erect, slightly robust, shortly and conspicuously noded, with few brown remains of stipules. Leaves basal, usually 3-5; stipules brownish or dark brownish, adnate to petioles in lower part, free part ovate-lanceolate, margin entire or sparsely shortly fimbriate, apex acuminate; petiole long, 4-6 cm, slender; leaf blade subreniform, orbicular, or ovate, 1-1.5 × 1-1.5 cm, both surfaces glabrous, base narrowly cordate, margin obtusely serrate, apex mucronate or obtuse. Flowers pinkish, deep purple, purple-white, or white, small; pedicels slightly exceeding leaves, slender, 2-bracteolate near middle; bracteoles opposite, linear, ca. 5 mm, margin remotely denticulate. Sepals linear-lanceolate, ca. 3 mm, margin narrowly membranous, apex ± acute, basal auricles not conspicuous, ca. 0.5 mm, apex obtuse. Petals oblong-obovate, upper ones ca. 8 × 3 mm, base attenuate, apex obtuse, lateral ones ca. 7 × 3 mm, shortly bearded, anterior one ca. 8.5 mm (spur included); spur shortly saccate, 2-2.5 mm, ca. 2 mm in diam., apex obtuse. Anthers ca. 1.5 mm, appendage of connectives subequaling anthers; spur of 2 anterior stamens shortly angular, ca. 1.5 mm. Ovary ovoid-globose, ca. 1.5 mm; styles clavate, 1.7-3 mm, base slender and slightly geniculate forward; stigmas slightly flat at top, narrowly margined on lateral sides, shortly beaked in front, beak erect, with a smaller stigma hole at tip. Fl. May, fr. Jun-Sept. 2n = 24*.
● Grasslands on mountain slopes, moist places on rocks; 1200-3400 m. Anhui, Chongqing, Gansu, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Yunnan.

 


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