Castanopsis eyrei

反刺苦櫧

endemic

Castanopsis eyrei (Champ. ex Benth.) Tutcher

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Tutch., The journal of the Linnean Society of London. Botany 37: 68. 1905. (J. Linn. Soc., Bot.)

Liao, Memoirs of the College of Agriculture, National Taiwan University 12(2): 96. pl. 6. 1971. (Mem. Coll. Agr. Natl. Taiwan Univ.)

Castanopsis brachyacantha Hayata

Hayata, Icones Plantarum Formosanarum 3: 188. 1913. (Icon. Pl. Formos.)
Synaedrys brachyacantha (Hayata) Koidz.

Koidz., The Botanical magazine, Tokyo 30: 186. 1916. (Bot. Mag. Tokyo)
Lithocarpus brachyacantha (Hayata) Koidz.

Koidz., The Botanical magazine, Tokyo 39: 2. 1925. (Bot. Mag. Tokyo)
Shiia brachyacantha (Hayata) Kudo & Masam.

Kudo & Masam., The Botanical magazine, Tokyo 44: 405. 1930. (Bot. Mag. Tokyo)
Castanopsis eyrei (Champ. ex Benth.) Tutcher var. brachyacantha (Hayata) Shen ex Ying

Ying, Cloured illustrated flora of Taiwan : Includes introduced species 3: 229. fig. 748. 1988. (Col. Ill. Fl. Taiwan Intr. Pl.)

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)
Liu, Illustrations of native and introduced ligneous plants of Taiwan . 1961. (Ill. Nat. Intr. Lign. Pl. Taiwan)

tree

Medium-sized evergreen trees.
Leaves ovate to broadly lanceolate, 6–8 (–10) cm long, 2.1–2.5 cm wide, acuminate at apex, obtuse and often oblique at base, entire or remotely serrulate, lateral veins 6–9 pairs, indistinct above; petioles 0.8–1.3 cm long.
Staminate flowers about 2 mm high, 3–3.5 mm wide; perianth 6-lobed, glabrous outside, hairy inside; stamens up to 12, filaments 3.5 mm long, glabrous, anthers longitudinally dehiscent. Pistillate inflorescence about 9 cm long, flowers 1.2 mm long, 1.5 mm wide; perianth 5–6-lobed; ovary with 2–3 styles.
Fruits with indehiscent cupules, ovoid to conic, 1.8–2.4 cm long, 1.8–2.3 cm wide, simple- or branched-spined, spines 5 mm long, 1.2 mm wide, tomentose; nut 1, ovoid-conic, 1.4 cm long, 1.2–1.3 cm across, glabrous.

fruit maturing from November to December.

花	1	2	3	4	5	6	7	8	9	10	11	12
果	1	2	3	4	5	6	7	8	9	10	11	12

台灣 : growing at 600–1,600 m altitude, usually in the central part of the island, especially abundant on Mt. Lutsang near Hsinchu, Lienhuachih near Puli, Mts. Shoucheng, Nung Kao and Kuantao in Nantou, and Chiapaotai near Kukuan.
世界 : Distributed in mainland China (SE, S & SW) and Hong Kong.