討論:薯豆
山羊百科，林文智老師的植物、山岳、攝影紀錄
2. Elaeocarpus japonicus Sieb. & Zucc.薯豆
An evergreen tree. Leaves thin-coriaceous, elliptic or oblong, acuminate at apex, with obtuse acumen, obtuse to subrounded at base, 6-10 cm long, 2-3 cm broad, glabrous, slightly shining above and minutely black-tubercled beneath, the margins obscurely crenulate-serrulate, the midrib slightly impressed above, prominently elevated beneath, the lateral veins 5-6 on each side of the midrib, the veinlets reticulate, slightly elevated on both surfaces; petioles about 2-3 cm long, glabrous, slightly swollen at the top. Inflorescences axillary, racemose, the rachis slightly pubescent, or glabrescent; pedicels 3-5 mm long, pubescent; sepals ovate-oblong, about 5 mm long, 2 mm broad, acute at the apex, oblong, slightly pubescent; stamens about 8, the anthers sometimes 3-4 dented; linear, obtuse at the apex, about 4 mm long, the anthers awnless; ovary villous; style much shorter than the stamens. Fruit ovoid, 7-9 mm long, about 5 mm across.
China, south Japan and the Ryukyus. Taiwan, in forests at low altitudes throughout the island.
TAIPEI: Shihlin, Tanaka 72607. ILAN: Tayuanshan, Kao 78662. MIAOLI: Kuo & Kao 72603. TAICHUNG: Pahsienshan, Chuang et al. 73609. NANTOU: Sun Moon Lake, Chang 3683. PINGTUNG: Hiiranshan, Chang 4730, Chioka, Ou 2456. This species is well known by its entire petals but we have found recently the specimens Ou 2456 are kept in the Department of Forestry, Chung-Hsing University with petals, cut into 3-4 teeth.
- Elaeocarpus japonicus コバンモチ
15. 日本杜英 Elaeocarpus japonicus Sieb. et Zucc.
喬木；嫩枝禿淨無毛；葉芽有發亮絹毛。葉革質，通常卵形，亦有為橢圓形或倒卵形，長6-12釐米，寬3-6釐米，先端尖銳，尖頭鈍，基部圓形或鈍，初時上下兩面密被銀灰色絹毛，很快變禿淨，老葉上面深綠色，發亮，幹後仍有光澤，下面無毛，有多數細小黑腺點，側脈5-6對，在下麵突起，網脈在上下兩面均明顯；邊緣有疏鋸齒；葉柄長2-6釐米，初時被毛，不久完全禿淨。總狀花序長3-6釐米，生於當年枝的葉腋內，花序軸有短柔毛；花柄長3-4毫米，被微毛；花兩性或單性。兩性花：萼片5片，長圓形，長4毫米，兩面有毛；花瓣長圓形，兩面有毛，與萼片等長，先端全緣或有數個淺齒；雄蕊15枚，花絲極短，花藥長2毫米，有微毛，頂端無附屬物；花盤10裂，連合成環；子房有毛，3室，花柱長3毫米，有毛。雄花：萼片5-6片，花瓣5-6片，均兩面被毛；雄蕊9-14枚；退化子房存在或缺。核果橢圓形，長1-1.3釐米，寬8毫米，1室；種子1顆，長8毫米。花期4-5月。
產于我國長江以南各省區，東起臺灣，西至四川及雲南最西部，南至海南。生於海拔400-1300米的常綠林中。越南、日本也有分佈。
