| Section | Trigonocarpae Gordon | |
|---|---|---|
| Scientific Name | Type species | Viola ovato-oblonga (Miq.) Makino : {Nagabano-tatitubo Sumire} Published in: B. M. T. 21: 59 (1907) |
| Variety | ||
| Form |
V. ovato-oblonga f. albiflora Honda : {Sirobana Nagabano-tatitubo Sumire} Published in: J. Jap. Bot.,24: 30 (1949)
V. ovato-oblonga f. variegata E.Hama : {Madara Nagabano-tatitubo Sumire} Published in: J. Jap. Bot.,51(11): 339. (1976)
V. ovato-oblonga f. pubescens (Nakai) F.Maek. : {Ke Nagabano-tatitubo Sumire} Published in: Enum. Spermatophytarum Japon. 3: 211. (1954)
V. ovato-oblonga f. luteoviridiflora (Araki) F.Maek. : {Asagi Ke Nagabano-tatitubo Sumire} Published in: ESJ 3: 211 (1954)
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| Synonym |
V. grypoceras var. ovato-oblonga (Makino) W.Becker Published in: Beih. Bot. Centralbl. Abt. 2, 40: 41. (1923)
V. micrantha subsp. shikokuensis W.Becker
Viola obtusa (Makino) Makino [B. M. T. 26: 151 (1912)]
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| Origin | ovato-oblonga : egg-shaped long oval | |
| Common names | 【Korean】긴잎제비꽃 | |
| Stalk Form | A flower scape is extended from a stalk, and a flower blooms from each scape. | |
| Habitat | Grown in the place where drainage is good and becomes shade half a day. | |
| Distribution | Japan domestic | Distributed in the western part of Japan from Shizuoka to Kagoshima. |
| Japan overseas | Korean Peninsula. | |
| Others | In recent years, it has been observed in Mt. Tsukuba (Ibaraki Pref.). | |
| Flower | Shape | Middle size. The petal is rather thin. |
| Color | White from light purple. A purple article enters thinly. | |
| Spur | ||
| Season | ||
| Stigma | ||
| Aromatic | ||
| Others | ||
| Leaf | Shape | A basal leaf is heart form, and a tip does not sharpen but is round calmly. A stalk leaf is long and slender, and a tip sharpens lightly. |
| Color | The surface is dark green. The back is a dark purplish red color. Red line go into a leaf vein. | |
| Others | ||
| Seed | Shape | Middle grain. Egge shaped. |
| Color | Seeds: dark brown, seed pillow: light brown white. | |
| Others | ||
| Characteristics of roots | ||
| Endangered Information | 【ThreatenedII（VU）】, Chiba：ThreatenedⅠ | |
| Type Specimen |
V. ovato-oblonga f. variegata E.Hama : Yufuin, Oita 1963.4.28 by E.Hama (Kyoto Univ.)
V. ovato-oblonga f. pubescens (Nakai) F.Maek. : Hiroshima (Kyoto Univ.)
V. ovato-oblonga f. albiflora Honda. : Tokushima (Awa), Sanakochi (T.Inobe 234, in 1944, TI)
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| Chromosome Number | 2n=20 (Yoshioka, H. & R. TANAKA. 1984. On the occurrence of accessory chromosomes in Viola ovato-oblonga. Chromosome Inf. Serv.) |
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| Reference Information | ||
| Others | ||
