Zanthoxylum integrifoliolum

蘭嶼花椒

Zanthoxylum integrifoliolum (Merr.) Merr.

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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Merr., An Enumeration of Philippine Flowering Plants 2: 327. 1923. (Enum. Philipp. Fl. Pl.)

Lee, Plant map - The lowland vegetation of Taiwan 81. 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)

tree

Trees; stems with short, scattered prickles when young; branchlets unarmed.
Leaves paripinnate or imparipinnate, 20–60 cm long, glabrous; petiolules of lateral leaflets 7–13 mm long; leaflets 4–12 pairs, opposite, chartaceous to coriaceous, obovate to elliptic, generally broadest above the middle, 6–15 cm long, 4–6 cm wide, the base obtuse to cuneate, often rather oblique, the lateral veins 9–15 on each side of the midrib, the margins entire; petals 4, white, elliptic-ovate, 2.5–3.5 mm long; stamens 4, slightly exceeding the petals; rudimentary carpel conical, to 0.2 mm high.
Female flowers 3–4 mm long; gynoecium 1-carpellate, about 1 mm long; style excentric, the stigma flattened, about 0.5 mm broad.
Fruiting pedicels 3–5 mm long; follicles single, subglobose, 6–9 mm in diameter, with numerous large oil glands.