蛇藤谷木
蛇藤谷木 |
中文学名:蛇藤谷木 界:植物界 门:被子植物门 纲:双子叶植物纲 目:桃金娘目 科:野牡丹科 属:谷木属 种:蛇藤谷木 分布区域:西藏自治区 |
蛇藤谷木(shé téng gǔ mù),学名 Memecylon celastrinum Kurz,乔木到25米高,直径达60厘米,树干直的但是板根单独大的。树皮细裂开并且剥落,薄,红棕色到晒黑或微黑的,内部树皮粉红色到红色,形成层带白色紫色,木质部橙色黄色或米色。小枝有点变平或者四角形,老时变得的圆筒状的。叶柄3-6毫米; 叶片披针形到宽卵形,产于西藏东南部(墨脱) 。 [1]
目录
形态特性
乔木到25米高,直径达60厘米,树干直的但是板根单独大的。树皮细裂开并且剥落,薄,红棕色到晒黑或微黑的,内部树皮粉红色到红色,形成层带白色紫色,木质部橙色黄色或米色。
小枝有点变平或者四角形,老时变得的圆筒状的。叶柄3-6毫米; 叶片披针形到宽卵形, 5-10 * 2-5.5 厘米,革质,背面干燥时通常绿色的到稻草色,正面棕色到黑色,看不见的脉,基部楔形,先端渐尖。
花序在叶腋,聚伞花序,0.7-1.7厘米内,多花的。 托杯漏斗状到瓶形,1-2毫米,具小乳突。萼裂片小。 花瓣粉红色,宽卵形到近圆盘状,2-2.5毫米,顶部圆形或锐尖。
花药新月形; 药隔具一小的凹的背面的腺体。 果绿色当未发育完全时,干燥时淡黄的,球状,直径7-10毫米,疱状突起的表面,基部和顶部扁平,先端具一直径为1-2毫米的环。
Trees to 25 m tall, d.b.h. to 60 cm, bole straight but buttressed in larger individuals. Bark finely fissured and flaking, thin, reddish brown to tan or blackish, inner bark pink to red, cambium whitish purple, wood orange-yellow or cream.
Branchlets somewhat flattened or quadrangular, becoming cylindric with age. Petiole 3-6 mm; leaf blade lanceolate to broadly ovate, 5-10 × 2-5.5 cm, leathery, abaxially usually drying green to straw-colored, adaxially brown to black, veins invisible, base cuneate, apex acuminate.
Inflorescences in leaf axils, cymes, 0.7-1.7 cm, many-flowered. Hypanthium funnel-shaped to urceolate, 1-2 mm, papillose. Calyx lobes minute. Petals pink, broadly ovate to suborbiculate, 2-2.5 mm, apically rounded or acute.
Anthers crescent-shaped; connective with a small concave abaxial gland. Fruit green when immature, drying yellowish, globose, 7-10 mm in diam., surface pustulate, basally and apically flattened, apex with a ring 1-2 mm in diam.
产地生境
Primary forests; ?500-1800 m. SE Xizang (Mêdog) [Myanmar, Singapore, Thailand].
辨析
This is perhaps a synonym of Memecylon minutiflorum Miquel (Fl. Ned. Ind., Eerste Bijv. 323. 1861).
这或许是一Memecylon minutiflorum Miquel的异名(Fl. Ned. Ind., Eerste Bijv. 323. 1861) .奈德。 Ind., Eerste Bijv。 323.1861).