kingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots » order Malpighiales »  family Violaceae »  tribus Violeae > genus Viola > Viola sect. Viola L. > Viola subsect. Viola L.

Viola hondoensis W. Becker & H. Boissieu

| Bio Lib | GRIN | eFlora of China | Wild plnts in Hokkaido |

Common names: 日本球果堇菜 ri ben qiu guo jin cai ; aoi-sumire アオイスミレ - 葵菫; 아욱 제비꽃 

Synon.: Viola hirta Linnaeus var. japonica Maximowicz. 

Description: Plants 3-8 cm tall at anthesis, pubescent. Rhizome thick, creeping, nodes closely spaced. Stolons creeping, producing new individuals. Radical leaves in summer larger than those in spring, usually present in winter; leaf blade to 6-7 × 6-7 cm. Petiole 2-8 cm, pubescent. Stipules broadly lanceolate, margins fimbriate; leaf blade orbicular-cordate to reniform, 1.5-4 × 1.5-4 cm, both surfaces pubescent, base cordate, margin crenate, apex rounded. Pedicel radical or cauline, 3-8 cm. Flowers light violet or white, 1-1.5 cm in diam. Sepals ovate, pubescent, apex obtuse, basal auricles ca. 1 mm. Petals 1-1.3 cm; lateral ones sparsely shortly bearded or glabrous, slightly purple striate; lowest petal purple-striate; spur 3-4.5 mm, 2-3 mm longer than base auricles. Ovary pilose; style hooked at apex. Pedicel curved in fruit. Capsule globose, 5-6 mm in diam., densely pubescent. Fl. Mar-May, fr. Jul-Sep. 2n = 20 

Distributional Range: Native Asia-Temperate CHINA: China (possibly) EASTERN ASIA: Japan, [Hokkaidô, Honshu, Kyushu, Shikoku] Korea 

Habitat: Mixed forests near streams; 900-1300 m .  

References: 

1. Igari, M. 1996. Wild violets of Japan Note: book almost entirely in Japanese

2. Iwatsuki, K. et al. 1993-. Flora of Japan.

3. Lee, Y. N. 1997. Flora of Korea.

4. Ohwi, J. 1965. Flora of Japan (Engl. ed.).