台北菫菜

Viola nagasawai Makino & Hayata in Journ. Coll. Sci. Imp. Univ. Tokyo 22:30, 1906; Hayata, Icon. Pl. Form. 1:60, 1911; W. Becker in Beih. Bot. Centralbl. 40:116, 1923; Lin in Taiwania 1:271, 1950; Hashimoto in Bull. Jap. Assoc. Bot. Gard. 1959, 30; Hsieh in Li et al. Fl. Taiwan 3:776, 1977 (pro parte). Viola acutilabella Hayata, Icon. Pl. Form. 10:1, 1921. Viola nagasawai Makino & Hayata var. acutilabella (Hayata) Nakai in Bot. Mag. Tokyo 36:87, 1922; Lin in Taiwania 1:273, 1950.

Perennial herb; rhizome erect to ascending, rather thin, bearing rosette of leaves and flowers at apex, usually with stolons rooting at ends and producing dense rosettes of leaves and flowers. Leaves 1-3 cm long, 1-2.5 cm broad, ovate or elliptic, broadly cordate at base, rounded or obtuse at apex, crenate on margin, narrowly long decurrent on petiole, hirsute above, nearly glabrous beneath, herbaceous; petiole 1-7 cm long. Stipules 5-14 mm long, 1-2 mm broad, linear-lanceolate to lanceolate, acuminate at apex, sparsely fimbriate-laciniate on margin, partly adnate to the petioles. Flowers 15-2W mm across, pale purple to almost white with dark violet veins on the basal petal; peduncle 4-1 cm long, slender, twice to 4 times as long as petioles. Sepals 5-8 mm long, 1-1.5 mm broad, linear-lanceolateto linea, acute at apex, sparsely fimbrio-ciliate on margin; appendage up to 0.5 mm long, rounded, fimbrio-ciliate. Petals obovate, the basal shortest, acute at apex, laterals beardless; spur 1-1.5 mm long, obtuse. Style c. 2 mm long, geniculate at base, clavate distally, with two lateral lobes at apex, anterior stigmatic beak. Capsule 5-6 mm long, ellipsoid, glabrous. Seeds ovoid, 1-1.2 mm long. Chromosome number: n = 24.

Taipei : Yangmingshan, Kudo, Suzuki & Mori s.n. Apr. 21, 1929, Kudo & Suzuki 3304, Tanaka & Shimada 11004, Chuang, 2721; Chishingshan (Mt. Sitisei), Shimizu 634, Kuo 6822, 9840, S. Suzuki s.n. Sept. 3, 1926, s.n. Mar. 21, 1928, s.n. Dec. 1, 1929, Hsu 3199, 9278, Yang 1221, T. Y. Yang 628, Sasaki s.n. Apr. 1, 1911, s.n. Mar. 1912 (TAIF), s.n. Oct. 1927, Tang 434, Wang 3550, 3551, 3552, 3553, 3555, 3556, 3557, 3558, 3559, 3560, 4202, 4203, Yang s.n. Apr. 25, 1987; Shichiseitonzan, Hayata s.n. 1900 (Type of Viola nagasawai, TI!), Kawakami & Sasaki s.n. Dec. 1, 190 (TAIF); Shimada s.n. Apr. 2, 1910 (TAIF); Yangmingshan-Chishingshan, Yang & Chiang 178, Hsu 3164; Fonlin Fall, Yang 1078; Tatunshan (Mt. Daiton), U. Faurie s.n.1903 (Type of Viola nagasawai, TI!), Sho 34, 35, 36, Hsu 11477, S. Suzuki 10231, L. S. Chern 13, Y. F. Chen et al. 1073, Shimada s.n. Apr. 23, 1933 C. Tseng 3962, Kao 3614, 3727, Murata & T. Y. Yang 17849; Tatunshan- Peihsinchuang, Lin s.n. Mar. 21, 1986; Tsutzuhu (Tikusiko), Nagasawa 320 (Type of Viola nagasawai, TI!), S. Suzuki 4382, 7477, 7478, 7481, 7531, Simada 1171, Chuang 3894, 3895, Nakamura 250,Okamoto s.n. Mar. 1913 (TAIF), Shimada s.n. Feb. 24, 1914 (TAIF); Yangmingshan-Tsutzuhu, Kao s.n. Feb. 9, 1955; Sendanyama, T. Suzuki 7479; Mt. Syokwannon, Shimada 338; Menghuanhu, Wang 2877, 3429, 5071, Yang s.n. Oct. 18, 1986; Chungshing farm, Wang 4116, Hsieh et al. s.n. Apr. 30, 1987; Peichatienshan, Hsieh & Lin s.n. Sept. 5, 1986; Polushan, Chen s.n. Aug. 19, 1986; Ruggyahu Maherokku, T. Suzuki 16628, 16440; Sihoyanzan, T. Suzuki ST14630b; Kabozan, Fukuyama, ST19232; Talingka, Nakamura 4299; Mentienshan, Simada s.n. Oct. 31, 1914 (TAIF); Rimogan, Mori s.n. Jun. 7, 1905 (TAIF). Taoyuan : Sotenzan, Mori s.n. May 25, 1908 (TAIF); Lalashan, Hsieh et al. s.n. May. 9, 1986. Ilan : Taipingshan, Yang s.n., Apr. 30, 1987, Sasaki s.n. Apr. 25, 1930, S. Suzuki 992, s.n. Jul. 26, 1929, s.n. Aug. 9, 1928; Shernmihu, Wang 5051; Mt. Egiri, Mori s.n. Apr. 11, 1908 (TAIF); Shuangshengchiao, Hayata s.n. May 11, 1916 (TAIF); Gentozan, T. Suzuki ST17767; Mt. Bonbon, Hayata & Sasaki s.n. May 1917 (Type of Viola acutilabella, TI!).

Endemic.