Pasania formosana

台灣石櫟

endemic

Pasania formosana (Skan) Schott.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Schott., Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 47: 670. 1912. (Bot. Jahrb. Syst.)

同發表文獻

Quercus formosana Skan

Skan, The journal of the Linnean Society of London. Botany 26: 513. 1899. (J. Linn. Soc., Bot.)
Synaedrys formosana (Skan) Koidz.

Koidz., The Botanical magazine, Tokyo 30: 195. 1916. (Bot. Mag. Tokyo)
Lithocarpus formosanus (Skan) Hayata

Hayata, General Index to the Flora of Formosa 72. 1917. (Gen. Ind. Fl. Formos.)

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 with crooked trunk, much-branched; branches usually curved, grayish.
Leaves oblong-obovate or narrow-obovate, 5–10 cm long, 2.5–3 cm broad, coriaceous, rounded, obtuse or rarely acutish at apex, cuneate at base, entire, somewhat revolute, glabrous.
Perianth of staminate flowers 4–6-lobed, puberulent outside, nearly glabrous inside; stamens 8–12, 2.8 mm long, 2.5 mm broad. Pistillate flowers 2–3 clustered, 1.5 mm long, 1.5 mm broad.
Cupules dish-shaped, 0.5–0.6 cm long, 1.7–1.8 cm across, scales imbricate, tomentose; nuts conic, 1.5–1.7 cm long, 1.5–1.7 cm across.