討論:假柃木

山羊百科，林文智老師的植物、山岳、攝影紀錄

钝齿柃 Eurya crenatifolia Yamamoto

灌木；嫩枝纖細，圓柱形，灰褐色，被柔毛，小枝灰褐色或灰白色，無毛或幾無毛；頂芽細錐形，漸尖，疏被柔毛。葉革質，橢圓形或倒卵狀長圓形，長1-2.5釐米，寬0.8-1.5釐米，頂端銳尖，尖頭鈍，並有微凹，基部楔形或闊楔形，邊緣有鈍鋸齒，稍反卷，上面綠色，下面淡綠色，兩面無毛或下麵初時沿中脈上略被柔毛，迅即脫落而無毛，中脈在上面凹下，下面凸起，側脈5-7對，在上面不明顯或略凹下，在下面凸起；葉柄長1-1.5毫米，無毛或幾無毛。花1-3 (-4)朵簇生於葉腋，花梗長1.5-2毫米，無毛，雄花：小苞片2，卵形或近圓形，細小，疏被短柔毛；萼片5，卵形或近圓形，長1-1.5毫米，頂端圓或鈍，無毛，邊緣也無纖毛；花瓣5，倒卵形或卵圓形，長約1.5毫米；雄蕊5枚，花藥不具分格，退化子房無毛。雌花的小苞片和萼片與雄花同；花瓣5,卵形，長約1.5毫米；子房圓球形，3室，無毛，花柱長約1毫米，頂端3深裂幾達基部。果實圓球形，直徑約3毫米；種子每室1-4個，腎形，略扁，深褐色，表面具細蜂窩狀網紋。

產於我國臺灣臺北、宜蘭、太平山、花蓮等地；多生於海拔1300-2300米的山地林下或疏林中。模式標本采自臺灣Pianan山。

77.钝齿柃 Eurya crenatifolia (Yamamoto) Kobuski, Ann. Missouri Bot. Gard. 25: 332. 1938.

Shrubs. Young branches grayish brown to grayish white, glabrous; current year branchlets terete, pubescent; terminal buds sparsely pubescent. Petiole 1-1.5 mm, pubescent or glabrescent; leaf blade elliptic to obovate-oblong, 1-2.5 × 0.8-1.5 cm, leathery, abaxially pale green and glabrous or sparsely pubescent along midvein when young, adaxially green and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 5 or 6 on each side of midvein, abaxially raised, and adaxially obscure to slightly impressed, base cuneate to broadly cuneate, margin crenate-serrate, apex acute and with an obtuse to retuse tip. Flowers axillary, solitary or to 4 in a cluster. Pedicel 1.5-2 mm, glabrous. Male flowers: bracteoles ovate to suborbicular, ca. 0.5 mm, outside sparsely pubescent; sepals ovate to suborbicular, 1-1.5 mm, glabrous, apex obtuse to rounded; petals obovate to ovate, ca. 1.5 mm; stamens 5; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers; petals ovate, ca. 1.5 mm; ovary globose, glabrous, 3-loculed; style ca. 1 mm, apically 3-parted. Fruit globose, ca. 3 mm in diam., with 1-4 seeds per locule. Seeds dark brown, reniform. Fl. Feb-Mar, fr. Jun-Sep.