Quercus stenophylloides

狹葉櫟

endemic

Quercus stenophylloides Hayata

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

同發表文獻

Cyclobalanopsis stenophylloides (Hayata) Kudo & Masam.

Kudo & Masam., Journal of the Society of Tropical Agriculture 2: 149. 1930. (J. Soc. Trop. Agr.)
Cyclobalanopsis stenophylloides (Hayata) Kudo & Masam. ex Kudo

Kudo & Masam. ex Kudo, Transactions of the Natural History Society of Formosa 20: 162. 1930. (Trans. Nat. Hist. Soc. Formos.)
Quercus stenophylla (Bl.) Makino var. stenophylloides (Hayata) Camus

Camus, Les Chênes. Monographie du genre Quercus 1: 272. 1934. (Chênes. Monogr. Quercus)
Cyclobalanopsis stenophylla (Bl.) Schottky var. stenophylloides (Hayata) Liao

Liao, Forestry Series 62: 89. 1974. (For. ser.)
Quercus salicina Bl. var. stenophylloides (Hayata) Ying

Ying, Quarterly journal of Chinese forestry 21(2): 112. 1988. (Quart. J. Chin. For.)

Govaerts, R. & Frodin, D.G., The Board of Trustees of the Royal Botanic Gardens, Kew. 1-408. 1998.
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

tree

Evergreen trees up to 15 m high, trunks up to 40 cm across; branchlets gray, with lenticels.
Leaves lanceolate to ovate-oblong, 6–14.5 cm long, 1.2–4.2 cm wide, acuminate at apex, acute or obtuse at base, green above, grayish-white, glaucous or green and hairy beneath, coriaceous, echinate-serrate, midrib concave above, elevated beneath, lateral veins 9–17 pairs; petioles 1–2.3 cm long.
Staminate catkins about 5 cm long; Staminate flowers about 3.5 mm long; perianth 4–6-lobed, hairy outside, glabrous inside; stamens 4–9 (3–11), filaments 2.5 mm long, anthers 1 mm long. Pistillate flowers 2 mm long, 3.5 mm wide; perianth 3–4-lobed, hairy, styles 3–4, strongly curved.
Cupules 0.9–1.2 cm long, 1.3–1.5 cm across, scales in 8–9 concentric rings, tomentose, margins of rim dentate-serrate; nuts ellipsoid, 1.7–2.1 cm long, 1.2–1.6 cm across.