Tainia dunnii

長葉杜鵑蘭

Tainia dunnii Rolfe

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Rolfe, The journal of the Linnean Society of London. Botany 38: 368. 1908. (J. Linn. Soc., Bot.)

台灣首次記錄發表文獻

Su, Flora of Taiwan, second edition 5: 1043. pl. 447. 2000. (Fl. Taiwan 2nd edit.)

異名

Tainia shimadai Hayata

Hayata, Icones Plantarum Formosanarum 6: 75. pl. 7. fig. 11. 1916. (Icon. Pl. Formos.)
Tainia piyananensis Fukuy.

Fukuy., The Botanical magazine, Tokyo 49: 294. 1935. (Bot. Mag. Tokyo)
Tainia laxiflora Makino var. piyananensis (Fukuy.) Masam.

Masamune, Journal of Geobotany 21(4): xiv. 1974. (J. Geobot.)
Tainia shimadai Hayata var. elliptica (Fukuy.) S. S. Ying

Ying, Coloured illustrations of indigeous orchids of Taiwan 1: 504. 1977. (Col. Ill. Indig. Orch. Taiwan)
Tainia laxiflora Makino

Ying, S.S., Coloured illustrations of indigeous orchids of Taiwan 1: 503. 1977. (Col. Ill. Indig. Orch. Taiwan)

各語言俗名

中

闊葉杜鵑蘭. 竹東杜鵑蘭. 小杜鵑蘭.
日

ながばあおいらん. るりだまあおいらん. ひろはのあおいらん.

參考文獻

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

herb

形態特徵

Rhizomes repent, producing one pseudobulb and one peduncle alternatively. Pseudobulbs purplish, elongate-ovoid or nearly cylindrical, 3-5 cm tall, 4-8 mm thick, articulated with petiole.
Leaves linear lanceolate, oblong or linear, 6-40 cm long, 1.5-4.2 cm wide, acute or acuminate at apex, cuneate and decurrent at base, mainly 3-nerved; petiole 5 cm long, canaliculate.
Peduncle separated from pseudobulb, producing from tip of rhizome, purplish, ca. 40 cm long, raceme loosely 7-20 flowered; bracts linear, 5-8 mm long; pedicel and ovary ca. 15 mm long. Flowers yellowish or greenish brown and tinged with red, or reddish brown; sepals spreading, dorsal one linear-oblong, 12-18 mm long, 2-2.5 mm wide, lateral ones linear-falcate, 12-17 mm long, 2-3 mm wide, mentum 2 mm long; petals not widely spreading, falcate-linear, 12-17 mm long, 2 mm wide; lip yellow, with minute brown dots on each side, obtriangular, 10-15 mm long, 8-10 mm wide, 3-lobed, side lobes erect, falcate, central lobe broadly obtriangular, truncate and apiculate at apex, disc with 3 keels; column 7-9 mm long, curved, apex with 2 semiorbicular wings, base with short foot; anther yellow, 1.5 mm long, with 2 reddish brown conic horns; pollinia flattened ovoid; stigma broad.

分布

台灣 : forests, 500-1,500 m, mountainous regions throughout.
世界 : Southern China.

引證標本

TAIPEI: Chutsushan, Shimada s. n. Apr 1915; Fushan, Su & Chen 8604. ILAN: Nanao, Su et al. 7008. TAOYUEN: Najyeshan, Su & Chen 8799. HSINCHU: Nalow, Su & Chen 8230*. MIAOLI: Manapan, Su & Chen 8844. PINGTUNG: Wutoushang, Segawa s. n. May 1936. TAITUNG: Hsinkangshan, Su & Chen 8052; Chingshuiying, Segawa s. n. Apr 1937. HUALIEN: Nengkua, Segawa s. n. Nov 1938.