屏东花椒查看源代码讨论查看历史
屏东花椒 |
中文学名:屏东花椒 拉丁学名:Zanthoxylum wutaiense Chen 界:植物界 门:被子植物门 Angiospermae 纲:双子叶植物纲 Dicotyledoneae 亚 纲:原始花被亚纲 Archichlamydeae 目:芸香目 Rutales 亚 目:芸香亚目 Rutineae 科:芸香科 Rutaceae 亚 科:芸香亚科 Subfam. Rutoideae 属:花椒属 Zanthoxylum 种:屏东花椒 |
屏东花椒(学名 Zanthoxylum wutaiense Chen)为台湾屏东县的特产的一种花椒。灌木,枝无毛,有钩刺。果卵形,成熟分果瓣1-2个。产台湾屏东县。 [1]
屏东花椒形态特征
灌木,枝无毛,有钩刺。
叶有小叶5-13片,叶轴近顶部有狭窄的翼叶;小叶对生,无柄,革质,长圆形至长圆状披针形,长3-10厘米,宽1-2厘米,顶部渐尖,基部渐狭尖或楔尖,侧脉每边7-16条,中脉在叶片两面凸起,叶缘有钝裂齿,齿缝有油点。
花黄色,组成腋生圆锥花序;花梗长3毫米;雄花的花被片及雄蕊均5-8片(枚);雌花的子房卵状长圆形,花柱短,柱头头状。
果卵形,成熟分果瓣1-2个,径约5毫米。[2]
Zanthoxylum wutaiense Chen in Taiwan Sci. 26(34): 56, f. 1. 1972; 台湾植物志3: 537. 1977.
Shrubs. Branchlets with prickles or unarmed, glabrous. Leaves 5-13-foliolate; rachis canaliculate, sides of channel rarely slightly spreading apically; leaflet blades sessile, opposite, oblong to oblong-lanceolate, 2.5-10 × 0.6-2 cm, leathery, midvein narrowly ridged adaxially, secondary veins 7-16 on each side of midvein, base attenuate to cuneate, margin crenulate, apex acuminate at least in terminal blade. Inflorescences axillary, paniculate. Flowers yellow. Pedicel ca. 3 mm. Perianth in 2 irregular series or 1 series, with 5-8 ± undifferentiated tepals. Male flowers: stamens 5-8. Female flowers: pistil subtended by columnar disk, 1(or 2)-carpelled; carpel ovoid to ellipsoid, with a conspicuous lateral oil gland; style short; stigma capitate. Fruit follicle ovoid, ca. 5 mm in diam. Fl. Apr.
● Exposed slopes in secondary broad-leaved forests; 1300-1400 m. Taiwan (Pingdong).