討論:銹葉灰木
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Symplocos cochinchinensis (Lour.) S. Moore var. cochinchinensis 銹葉灰木
Evergreen trees; bark gray-brown, smooth. Twigs gray-brown, terete; young twigs thick, rusty tomentose to glabrescent; slightly ridged below petioles. Terminal buds narrowly ovoid, rusty tomentose, 7-12 mm long, apex acuminate, usually curved. Leaves: blades coriaceous, elliptic to narrowly elliptic, 14-25 cm long, 5-9 cm wide; apex caudate; base cuneate; margin slightly recurved, glandular dentate to crenulate with teeth 2-4 mm apart; upper surface glabrous; lower surface pale green, brownishly pubescent especially on midrib and nerves, sometimes glabrescent and the midrib appressed pilose, rarely rusty tomentose; midrib impressed on upper surface, prominent on lower surface; nerves 9-12(-14) pairs, distinctly prominent on lower surface, curved in parallel upwards; petioles brownish pubescent, tomentose or glabrescent, (7-)10-25(-30) mm long. Inflorescence an axillary spike, usually branched, 3-10(-12) cm long, axis brownish to rusty tomentose; bracts ovate 2.5-4 mm long, apex acute; bracteoles 2, ovate to depressed ovate 2.5-3 mm long, apex acute; both persistent, keeled, adaxially glabrous, abaxially with same indument as inflorescence axis. Flowers: calyx tube glabrous, 0.5-1 mm high; calyx limb 1.5-2(-2.5) mm long; calyx lobes imbricate, ovate, 1.5-2(-2.5) mm long, the apex obtuse, outside appressed pubescent, the margin ciliate; corolla white, 4.5-6 mm long, deeply 5-lobed, the lobes elliptic; corolla tube 1-1.5 mm long; stamens 60-80, indistinctly pentadelphous; disk glabrous, annular to cylindrical; style glabrous, 4-6 mm long; ovary 3-locular with 4 ovules in each locule. Fruits ampulliform or globose, often with a cylindrical neck, 6-7 mm long, 6-7 mm in diameter, persistent calyx lobes forming a conical beak; stones ampulliform, shallowly grooved, 5-6 mm by 5-6 mm; mesocarp thin; endocarp woody; seed 1, twice curved, with similarly curved embryo.
Distributed in Japan (including the Ryukyus), Taiwan, China, Indo-china, Thailand, Burma, India, Malay Peninsula, Sumatra, Java, Borneo and New Guinea; in Taiwan very rare, only known from in Taipei district.
TAIPEI: Shinten, Mori s. n.; Kankou, Kanehira s. n., Huang et al. 8670. 僅限於臺北之新店、乾溝一帶山區。
球果山矾组 Sect. Bobua (DC.) Brand
越南山矾 Symplocos cochinchinensis (Lour.) S. Moore
乔木，高可达13米；小枝粗壮，芽、嫩枝、叶柄、叶背中脉均被红褐色绒毛。叶纸质，椭圆形、倒卵状椭圆形或狭椭圆形，长9-27厘米，宽3-10厘米，先端急尖或渐尖，基部阔楔形或近圆形，叶背被柔毛，毛的基部有褐色腺状斑点，边缘有细锯齿或近全缘；中脉在叶面凹下，侧脉每边7-13条；叶柄长1-2厘米。穗状花序长6-11厘米，近基部3-5分枝，花序轴、苞片、萼均被红褐色绒毛；苞片卵形，长约3毫米，小苞片三角状卵形，长约2毫米，背面中肋凸起；花萼长2-3毫米，5裂，裂片卵形，与萼筒等长；花冠有芳香，白色或淡黄色，长约5毫米，5深裂几达基部；雄蕊60-80枚，花丝基部联合；花盘圆柱状，无毛；子房3室。核果圆球形，直径5-7毫米，顶端宿萼裂片合成圆锥状，基部有宿存苞片，核具5-8条浅纵棱。花期8-9月，果期10-11月。
产西藏、云南、广西、广东、福建南部、台湾。生于海拔1500米以下的溪边、路旁和热带阔叶林中。中南半岛、印度尼西亚爪哇、印度也有。模式标本采自越南。
