Viola lactiflora Nakai

Herbs perennial, acaulescent, 10-18 cm tall. Rhizome erect or obliquely ascending, slightly robust, shortly and densely noded, with several, scattered, long, yellowish roots. Leaves numerous, basal; stipules conspicuous, greenish or brownish, submembranous, adnate to petiole above middle, free part linear-lanceolate, ca. 4 mm wide, margin remotely denticulate or entire; petiole 1-6 cm, wingless, those of lower leaves shorter, those of upper leaves longer; leaf blade narrowly triangular or oblong, those of lower leaves 2-3 × 1.5-2.5 cm, those of upper leaves 4-5 × 1.5-2.5 cm, both surfaces glabrous, veins conspicuously raised abaxially, base shallowly cordate or truncate, sometimes slightly hastate, margin obtusely crenate, apex obtuse. Flowers white, medium-sized, 1.5-1.9 cm; pedicels not or slightly exceeding leaves, 2-bracteolate at or above middle; bracteoles linear. Sepals ovate-lanceolate or lanceolate, 5-7 mm, apex acuminate, basal auricles short and conspicuous, margin narrowly membranous, 3-veined, margin obtusely dentate or entire, apex truncate. Petals obovate, lateral ones distinctly bearded, anterior one broader, apex not emarginate; spur cylindric, 4-5 mm, ca. 3 mm in diam., apex rounded. Anthers ca. 2 mm, subequaling appendage of connectives; spur of 2 anterior stamens shortly angular, ca. 2.5 mm, apex gradually smaller. Ovary glabrous; styles clavate, base slender, slightly geniculate forward, gradually thickened upward; stigmas slightly thickened on lateral sides and abaxially and narrowly margined, shortly beaked in front, with a smaller stigma hole at tip of beak. Capsule ellipsoid, 6-9 mm, glabrous, apex often with persistent styles. Seeds brownish, ovoid-globose, ca. 1.5 mm, glabrous. Fl. Mar-Apr. 2n = 48.

Jiangsu, Jiangxi, S Liaoning, Zhejiang [Japan (?naturalized), Korea].

Grassy slopes or wasteland; below 500 m.

Viola limprichtiana W. Becker.

Viola lactiflora là một loài thực vật có hoa trong họ Hoa tím. Loài này được Nakai miêu tả khoa học đầu tiên năm 1914.

白花堇菜（学名：Viola lactiflora）为堇菜科堇菜属的植物。分布在日本、朝鲜以及中国大陆的（西天目山）、云南、江西（庐山）、浙江、四川（南川）、辽宁、江苏等地，生长于海拔1,500米至1,900米的地区，常生长在针阔混交林林缘、草地、山坡草地、针叶林和草坡。