Ormosia formosana

台灣紅豆樹

endemic

Ormosia formosana Kanehira

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Kanehira, The Botanical magazine, Tokyo 30: 420. 1916. (Bot. Mag. Tokyo)

同發表文獻

Ormosia hainanensis auct. non Gagnep.

Ho, Journal of Taiwan Museum 36(2): 2. 1983. (J. Taiwan Mus.)

Yeh-Ching Liu, Fu-Yuan Lu & Chern-Hsiung Ou, Trees of Taiwan revised . 1994. (Tr. Taiwan rev. ed.)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

tree

An evergreen tree, up to 15 m high; young branchlets hirsute, soon glabrate.
Leaves odd-pinnate, alternate, glabrous; leaflets (3-)5(–7), opposite, the apex acuminate to short caudate, the base acute to obtuse, the first pairs obovate ot obovate-lanceolate, 3.5–4 cm long, 1.2–1.8 cm wide, the terminal one obovate-to obovate-lanceolate, 5.5–10 cm long, 1.5–3 cm wide, pale green beneath petiole pulvinous.
Flowers terminal raceme; calyx campanulate, less than half long of corolla, 5-lobed, the lobe triangular, longer than the tube, about 3–4 mm long, covered brownish hairs densely; calyx tube 1 mm long; corolla whitish, 1.5 cm long, with claws 3–4 mm long, the standard 12 mm wide, the base wider than the apex, rounded at apex, the wing long fan-shape, the midrib veins middle, the keel free, oblong, midrib veins along margin, ovate-rectangular; stamens 10, free; pistils fulvopubescent all over, the gynophore 1 mm long, the stigma terminal, reflexed inwardly bilobed dehiscent, pubescent.
Fruits woody, 12–15 cm long, dehiscent, 1–3-seeded, flat, slightly jointed to globose when 2–3-seeded, the stalk 7–10 mm long, the gynophore in fruit under 2 mm long; seeds 1–4, scarlet, depressed-globose, 1 cm across; hilum 3 mm long.