栏目

三角叶堇菜Viola triangulifolia W. Beck.

三角叶堇菜Viola triangulifolia W. Beck.

别名:蔓地犁;蔓地草;犁头草;蔓地堇;蔓地梨;曼地犁;

科名:堇菜科 Violaceae

属名:堇菜属 Viola

《中国植物志》第51卷111页
  94. 三角叶堇菜(中国高等植物图鉴)蔓地草(拉汉种子植物名称)图版14: 15-20
  Viola triangulifolia W. Beck. in Kew Bull. Misc. Inf. 6: 202. 1929; Hand. -Mazz. Symb. Sin. 7: 381. 1931; A. N. Steward Mam. Vasc. Pl. Lower Yungtze Vall. Chin. 263. 1958; 中国高等植物图鉴2: 903. 图3535. 1972.
  多年生草本,具地上茎,高13-35厘米。根状茎深褐色,粗短,通常斜生,节间缩短,节密生,有多数较粗的细根。地上茎直立,较细弱,单一或数个簇生,无毛。基生叶2-5枚,通常早枯,叶片宽卵形或卵形,长1-2厘米,宽1.5-2.8厘米,先端尖,基部心形,具长3-6.5厘米的叶柄;茎生叶叶片卵状三角形至狭三角形,长2-5厘米,基部宽2-3.5厘米,先端尖,基部心形或截形,边缘具浅锯齿,两面无毛,具长柄;托叶草质,离生,披针形或线状披针形,长0.5-1厘米,全缘或疏生细齿,常有缘毛。花小,白色有紫色条纹,单生于茎生叶的叶腋;花梗细弱,通常与叶近等长,有时超出于叶,上部有2枚对生的线形小苞片;萼片卵状披针形或披针形,长约3毫米,宽0.8-1.2毫米,先端渐尖,基部附属物长约0.5毫米,具狭膜质边缘;上方花瓣长倒卵形,长约5-7.5毫米,宽约2.5毫米,侧方花瓣长圆形,长5-8毫米,宽约2毫米,里面基部有须毛,下方花瓣较短,呈匙形,连距长约6毫米;距浅囊状,长1-1.5毫米,粗约2毫米;花药长约2毫米,药隔顶端附属物长约1.5毫米,下方2枚雄蕊的距较短,呈方形,长约1.1毫米,宽约0.8毫米;子房卵球形,长1.5毫米,无毛,花柱棍棒状,长约1.3毫米,基部稍向前膝曲,向上明显增粗,柱头两侧及背部明显增厚成斜展的缘部,中央部分平坦,前方具短喙,喙端具较粗的柱头孔。蒴果较小,椭圆形,长5-6毫米,无毛。花果期4-6月。
  产浙江、江西、福建、湖南、广东、广西。生于山谷溪旁、林缘或路旁。模式标本采自江西婺源。

《Flora of China》 Vol. 13 (2007)
Viola triangulifolia  W. Becker
三角叶堇菜   san jiao ye jin cai
Herbs perennial, caulescent, 13-35 cm tall. Rhizome usually obliquely ascending, deep brown, short, stout, densely noded, with numerous stout rootlets. Stems solitary or several fasciculate, erect, slender, glabrous. Basal leaves 2-5, usually withered early; petioles 3-6.5 cm; blades broadly ovate or ovate, 1-2 × 1.5-2.8 cm, base cordate, apex acute. Cauline leaves long petiolate; stipules free, lanceolate or linear-lanceolate, 0.5-1 cm, herbaceous, margin entire or remotely denticulate, often ciliate; blades ovate-triangular to narrowly triangular, 2-5 × 2-3.5 cm at base, both surfaces glabrous, base cordate or truncate, margin shallowly serrate, apex acute. Flowers solitary in axils of cauline leaves, white, purple striate, small; pedicels usually subequaling leaves, sometimes exceeding leaves, slender, 2-bracteolate at upper part; bracteoles opposite, linear. Sepals ovate-lanceolate or lanceolate, ca. 3 × 0.8-1.2 mm, apex acuminate, basal auricles ca. 0.5 mm, margin narrowly membranous. Upper petals narrowly obovate, 5-7.5 × ca. 2.5 mm, lateral ones oblong, 5-8 × ca. 2 mm, bearded, anterior one shorter, spatulate, ca. 6 mm (spur included); spur shallowly saccate, 1-1.5 mm, ca. 2 mm in diam. Anthers ca. 2 mm, appendage of connectives ca. 1.5 mm, spur of 2 anterior stamens shorter, square, subtriangular, ca. 1.1 × 0.8 mm. Ovary ovoid-globose, ca. 1.5 mm, glabrous; styles clavate, ca. 1.3 mm, base slightly geniculate forward, conspicuously thickened upward; stigmas conspicuously thickened on lateral and abaxial sides, margin obliquely spreading, flat in central part, shortly beaked in front, with a larger stigma hole at tip of beak. Capsule ellipsoid, small, 5-6 mm, glabrous. Fl. Apr-May, fr. May-Sep.
● Streamsides in mountain valleys, forest margins, roadsides; 200-1800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Zhejiang.

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