Timonius arboreus

貝木

Timonius arboreus Elmer

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

Elmer, Leaflets of Philippine Botany 1: 72. 1906. (Leafl. Philipp. Bot.)

台灣首次記錄發表文獻

Kanehira, Anat. Charact. Ident. Formos. Woods 130. 1921.

異名

無

各語言俗名

中

櫓木.
英

Lanyu timonius.
日

かいのき.
原

Gakwat (Yami).

參考資料

Lee, Plant map - The lowland vegetation of Taiwan 76. 2000. (Pl. Map, 植物地圖 - 台灣低海拔植物生態)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan, 台灣植物名彙)

特徵描述

生活型

tree-shrub

形態特徵

Evergreen small trees or shrubs, glabrous.
Leaves in 3-whorled or opposite, elliptic, oblong or broadly elliptic, (8.4-)10.9–4.5(–17.0) cm long, (3.2-)4.0–2(–7.5) cm broad, apex acuminate, base cuneate; sessile or subsessile, 0.4–1.2 cm long; stipules triangle to broadly triangular, pubescent outside, densely hairy inside, deciduous.
Flowers axillary, unisexual, dioecious, white or pale yellowish-white, 2-bracteate; calyx truncate; corolla pubescent outside, glabrous inside, 6-lobed; male flowers ca. 1.0 cm long, in cymes with several secund flowers, pedicellate, 1.7–1.8 cm long, stamens 6, rudimentary styles short, linear, pubescent; female flowers solitary, pedicellate, 0.8–1.0 cm long, rudimentary stamens 6, styles short, stigma 6-lobed, ovary many-celled.
Fruits globular, 0.8–1.0 cm long, 1.0–1.4 cm in diam., pedicels 1.5–2.2 cm long. Seeds cylindrical.

分布

台灣 : only found on both Lutao and Lanyu Islands.
世界 : The Philippines.

引證標本

TAITUNG: Lutao Island, Kudo & Mori s.n. Jul 1930(♀); Lanyu Island, Chang 2785(♀), 3627(♂), Fukuyama 353(♂), Masam. 4133(♀), 4154(♂), Hongtou to Tienchi, Huang & Hsu 4702(♂), Li 521(♀), Yang & Yen 8166(♀), Yang & Wang 10115(♂).