台湾毛柃
台湾毛柃 |
中文学名:台湾毛柃 拉丁学名:Eurya strigillosa Hayata 别 称:粗毛柃木 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:原始花被亚纲 目:侧膜胎座目 亚 目:山茶亚目 科:山茶科 亚 科:厚皮香亚科 族:杨桐族 属:柃木属 亚 属:柃亚属 |
台湾毛柃(tái wān máo líng,Eurya strigillosa Hayata),多见于中国台湾的柃木属小乔木;嫩枝纤细,圆柱形,密被黄褐色披散长柔毛,小枝灰褐色,无毛或近无毛;顶芽细锥形,密被黄褐色长柔毛。 [1]
目录
台湾毛柃形态特征
叶薄革质或革质,披针形,长6-11厘米,宽1.5-2.5厘米,顶端渐尖,基部钝,边缘有细锯齿,干后稍反卷,上面深绿色,有光泽,无毛,干后翠褐色,下面淡绿色,被长粗毛,中脉更密,中脉在上面凹下,下面凸起,侧脉10-12对,两面均不明显,有时在下面隐约可见;叶柄极短或几无柄,长不超过1毫米,密被粗毛。
花1-3朵簇生于叶腋,花梗极短,长约0.5毫米;雌花:小苞片2,卵形,被柔毛;萼片5,近圆形,长约1毫米,顶端圆,有小尖头,外面被柔毛;花瓣5,倒卵形或倒卵状长圆形,长约2.5毫米;子房圆球形,3室,密被柔毛,花柱3枚,长约1.5毫米。
雄花与雌花近同形,但较大,雄蕊约15枚,花药具数分格,退化子房被柔毛。
果实圆球形,直径3-4毫米,密被黄褐色柔毛。
Small trees. Young branchlets grayish brown, glabrous or glabrescent; current year branchlets terete, densely yellowish brown spreading villous; terminal buds yellowish brown villous. Petiole less than 1 mm, densely strigillose; leaf blade lanceolate, 6-11 × 1.5-2.5 cm, thinly leathery to leathery, abaxially pale green, strigillose, and becoming pale brown when dry, adaxially dark green, shiny, and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 10-12 on each side of midvein and obscure on both surfaces, base obtuse, margin serrulate, apex acuminate. Flowers axillary, solitary or to 3 in a cluster. Pedicel ca. 0.5 mm. Male flowers: bracteoles and sepals similar but slightly larger than those of female flowers; stamens ca. 15; anthers several-locellate; pistillode pubescent. Female flowers: bracteoles ovate, pubescent; sepals suborbicular, ca. 1 mm, outside pubescent, apex rounded and mucronate; petals obovate to obovate-oblong, ca. 2.5 mm; ovary globose, densely pubescent, 3-loculed; styles 3, distinct, ca. 1.5 mm. Fruit globose, 3-4 mm in diam., densely yellowish brown pubescent. Fl. Oct, fr. May-Jun.
台湾毛柃生长环境
主要生长于海拔2000-2200米的山地林中。
台湾毛柃分布范围
台湾毛柃同种区别
本种和华南毛柃颇近似,区别在于本种叶片革质或薄革质,雄蕊15枚以及花柱3枚,长仅1.5毫米等。