生活型

tree

形態特徵

• Large deciduous trees with dark brown bark, branchlets pale-brown, glabrous.
• Levaes chartaceous, glabrous, elliptic or oblong, 15–20 cm long, 7–9.5 cm wide, abruptly short-cuspidate, obtuse or rounded at base, entire or undulate, midrib slightly prominent beneath, lateral primary veins 9–10 pairs; petioles slender, glabrous or somewhat pubescent, 2–4 cm long; stipules broadly lanceolate, 2–4 cm long, fugaceous.
• Male, gall and female Flowers mixed; male Flowers few, near mouth of receptacle, sessile, perianth lobes 3–4, involute, stamen 1, filament short; gall Flowers sessile, perianth 2–3-parted, ovary smooth, globose or obovoid, style lateral or subterminal, short, stigma dilated; female Flowers sessile, perianth 2–3-parted, ovary smooth, obovoid, style obliquely lateral or subterminal, stigma slightly dilated.
• Receptacles yellowish-white, tinged with red, solitary, paired or clustered, axillary or cauline on thick branches, globose, 0.5–0.8 cm across; basal bracts 3; stalks 0.5–0.7 cm long.

分布

• 台灣 : Often at low altitudes in the northern and southern parts, Lanyu and Lutao islands.
• 世界 : Southern Japan and the Ryukyus, the Philippines, Thailand, Myanmar, Malaysia, Lombok, Borneo, N. Sulawesi, Moluccas, New Guinea and Sri Lanka.

引證標本

TAIPEI: Taipei, Liao 11613. HUALIEN: Tailuko, Chen 160. PINGTUNG: Hengchun, Liao 10436; Kuraru, Liao 11596. TAITUNG: Taitung, Yamamoto 490; Lanyu, Sata 486; Lutao, Sasaki 38751.

參考文獻

• LIAO, JIH-CHING, Flora of Taiwan, second edition 2: 151. 1996.  (Fl. Taiwan 2nd edit.)