台灣植物誌 第二版 Flora of Taiwan, 2nd edition Vol. 1
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cuneate, glabrous; veins free. Sori submarginal, terminal on a vein, or uniting the apices of 2-3 veins; indusia fixed by the base and more or less by the sides, opening towards the margin; annulus of 12-24 thickened cells. Spores bilateral or rarely tetrahedral, without perispore.
About 20 species, pantropic, south to New Zealand and Madagascar, north to Japan and Florida; two species in Taiwan.
KEY TO SPECIES
1. Frond oblong-lanceolate, the lowest 2-3 parirs of pinnae shorter than the upper ones… 2. S. chusana
1. Frond ovate, the lowest 2-3 pairs of pinnae longer than the upper ones… 1. S. biflora
1. Sphenomeris biflora (Kaulf.) Tagawa in Journ. Jap. Bot. 33: 203. 1958; Shieh in Fl. Taiwan 1: 265. pl. 93. 1975. 闊片烏蕨 Pl.71
Davallia biflora Kaulf., Enum. Fil. 221. 1824.
Fronds up to 30 cm long, deltoid-ovate, coriaceous, bi- to tripinnate, the lower pinnae not reduced, segments wide-cuneate.
Distributed in S. China, Japan, the Ryukyus, Taiwan and the Philippines.
TAIPEI: Chinshan, Do 496; Keelung Island, Simozawa 498. PINGTUNG: Nanjenshan, Shieh & Tsai 302. TAITUNG: Is. Lanyu, Shieh et al. 326*; Is. Lutao, Huang & Kao 6915.
2. Sphenomeris chusana (L.) Copel. In Bishop Mus. Bull. 59. 1929; Shieh in Fl. Taiwan 1: 265. 1975. 烏蕨 Pl.72
Adiantum chusanum L., Sp. Pl. 2: 1095. 1753.
Rhizome short-creeping, clothed with dark brown, stiff, hair-like scales. Stipes up to 25 cm long, stramineous, glabrous; lamina 40-60 cm long, lanceolate to ovate, thickly herbaceous, tripinnate to quadripinnatifid, the lower pinnae usually somewhat reduced, segments cuneate.
Distributed in C. and S. China, Himalayas, India, Ceylon, Malay Peninsula, Japan, Taiwan, the Philippines, Malaya Isls., Polynesia and Madagascar.
TAIPEI: Hsintien, Shieh s. n. 1968. ILAN: Taipingshan, Shieh 401. MIAOLI: Tahu, Shieh 12. TAICHUNG:Anmashan, Liu et al. 168. NANTOU: Lushan, Kuo 349; Kuantaochi, Shieh 161. CHIAYI: Fenchihu, Shieh & Chen 170. TAINAN: Kuantzulin, Morimoto 743. KAOHSIUNG: Shanping, Kuo 1982. PINGTUNG: Kuskus, Kudo & Suzuki 16002. TAITUNG: Tawu, Chuang 2061; Is. Lanyu, Huang & Kao 5309.
3. TAPEINIDIUM (Presl) C. Chr. 達邊蕨屬
Terrestrial; rhizome creeping, protostelic, clothed with narrow brown scales. Fronds of moderate size, simply pinnate to bipinnate, subcoriaceous, glabrous; veins free. Sori submarginal, simple, terminal on the veins; indusia firm, half cup-shaped, fixed by base and sides or free in the upper part; annulus of 13-16 thickened cells. Spores bilateral, smooth.
A genus of 17 species, ranging from Indo-China to Malaya, Luzon and Fiji; only one species in Taiwan.
About 20 species, pantropic, south to New Zealand and Madagascar, north to Japan and Florida; two species in Taiwan.
KEY TO SPECIES
1. Frond oblong-lanceolate, the lowest 2-3 parirs of pinnae shorter than the upper ones… 2. S. chusana
1. Frond ovate, the lowest 2-3 pairs of pinnae longer than the upper ones… 1. S. biflora
1. Sphenomeris biflora (Kaulf.) Tagawa in Journ. Jap. Bot. 33: 203. 1958; Shieh in Fl. Taiwan 1: 265. pl. 93. 1975. 闊片烏蕨 Pl.71
Davallia biflora Kaulf., Enum. Fil. 221. 1824.
Fronds up to 30 cm long, deltoid-ovate, coriaceous, bi- to tripinnate, the lower pinnae not reduced, segments wide-cuneate.
Distributed in S. China, Japan, the Ryukyus, Taiwan and the Philippines.
TAIPEI: Chinshan, Do 496; Keelung Island, Simozawa 498. PINGTUNG: Nanjenshan, Shieh & Tsai 302. TAITUNG: Is. Lanyu, Shieh et al. 326*; Is. Lutao, Huang & Kao 6915.
2. Sphenomeris chusana (L.) Copel. In Bishop Mus. Bull. 59. 1929; Shieh in Fl. Taiwan 1: 265. 1975. 烏蕨 Pl.72
Adiantum chusanum L., Sp. Pl. 2: 1095. 1753.
Rhizome short-creeping, clothed with dark brown, stiff, hair-like scales. Stipes up to 25 cm long, stramineous, glabrous; lamina 40-60 cm long, lanceolate to ovate, thickly herbaceous, tripinnate to quadripinnatifid, the lower pinnae usually somewhat reduced, segments cuneate.
Distributed in C. and S. China, Himalayas, India, Ceylon, Malay Peninsula, Japan, Taiwan, the Philippines, Malaya Isls., Polynesia and Madagascar.
TAIPEI: Hsintien, Shieh s. n. 1968. ILAN: Taipingshan, Shieh 401. MIAOLI: Tahu, Shieh 12. TAICHUNG:Anmashan, Liu et al. 168. NANTOU: Lushan, Kuo 349; Kuantaochi, Shieh 161. CHIAYI: Fenchihu, Shieh & Chen 170. TAINAN: Kuantzulin, Morimoto 743. KAOHSIUNG: Shanping, Kuo 1982. PINGTUNG: Kuskus, Kudo & Suzuki 16002. TAITUNG: Tawu, Chuang 2061; Is. Lanyu, Huang & Kao 5309.
3. TAPEINIDIUM (Presl) C. Chr. 達邊蕨屬
Terrestrial; rhizome creeping, protostelic, clothed with narrow brown scales. Fronds of moderate size, simply pinnate to bipinnate, subcoriaceous, glabrous; veins free. Sori submarginal, simple, terminal on the veins; indusia firm, half cup-shaped, fixed by base and sides or free in the upper part; annulus of 13-16 thickened cells. Spores bilateral, smooth.
A genus of 17 species, ranging from Indo-China to Malaya, Luzon and Fiji; only one species in Taiwan.
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