Castanea crenata

茅栗

cultivated

Castanea crenata Sieb. & Zucc.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

Sieb. & Zucc., Fl. Jap. Fam. Nat. II. 4(3): 324. 1846.

台灣首次記錄發表文獻

Liao, Memoirs of the College of Agriculture, National Taiwan University 12(2): 85. pl. 1. 1971. (Mem. Coll. Agr. Natl. Taiwan Univ., 國立台灣大學農學院硏究報告)

異名

無

各語言俗名

中

日本板栗. 日本栗. 栗子.
英

Japanese chestunt.
日

くり.
台

Lát chí.

參考資料

Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)
Liu, Illustrations of native and introduced ligneous plants of Taiwan . 1961. (Ill. Nat. Intr. Lign. Pl. Taiwan, 台灣木本植物圖誌)

特徵描述

生活型

tree-shrub

形態特徵

Shrubs or large trees, deciduous; tree up to 15 m high, 1.2 m across; bark brownish, glabrous while young; branchlets dark-brown, sparsely gray-white-hairy, soon becoming glabrous, with white lenticels; winter buds, ovoid, dark-brown, sparsely hairy, soon.
Leaves alternate, narrowly-oblong to broadly lanceolate, 7.7–19.5 cm long, 3–5 cm wide, acuminate or acute at apex, rounded or subcordate and often somewhat oblique at base, echinate-serrate or crenate-serrate, pubescent beneath at least while young or nearly glabrous or pubescent only on the veins, with small lepidote-glands below, lateral veins 13–26 pairs; petioles 0.5–1.9 cm long; stipules long-triangular with serrulate margins, soon deciduous.
Inflorescence a catkin, about 8–26 cm long; flowers fragrant. Staminate flowers yellowish-white; perianth 5–6-cleft, 2 mm long, 3 mm wide, the lobes elliptic, nearly glabrous except central parts outside, tomentose inside; stamens 10–12, filaments 5–6 mm long, glabrous, anthers 0.4 mm long, 0.2 mm wide, glabrous; reduced ovaries, 3–4, 0.8 mm long, 0.3 mm wide, densely long-hairy. Involucre 4–5 mm long, 5–7 mm wide, 2–3 clustered at base of staminate inflorescence, scales of involucre lanceolate to broadly triangular; pistillate flowers 3, clustered in one involucre, 6 mm long, 2 mm wide; perianth 6-cleft, ovate, 1.5 mm long, 2 mm wide; ovary 4–6-celled, 1 mm long, 0.6 mm wide, styles 4–9, very long, cylindric, stigmas pointed.
Fruit compressed, glabrous, 5 cm long, 8 cm broad, 4 cm thick; cupules usually 4-lobed, dehiscent; spines of involucre branched, 1–1.5 cm long, somewhat hairy;nuts 2–3, rarely up to 5, enclosed in one cupule, 1.8–2.8 cm long, 2–3 cm wide, 1.5–2.2 cm thick, usually broader than high, deep-brown, lustrous; cotyledons remaining in the nut at germination.

物候

Flowering from June to July; fruits maturing from October to November.

分布

台灣 : cultivated in Chitung, Hsinchu; Wushe and Meiyuen near Puli, Tatsupan near Chiayi; Shienpin, Liukuei, Kaohsiung, etc. from sea level to 2,600 m altitude.
世界 : Japan, Korea and mainland China.