对节白腊Fraxinus hupehensis

中文名(Chinese Name):对节白腊
学名(Scientific Name):Fraxinus hupehensis S. Z. Qu, C. B. Shang et P. L. Su
英文名(English Common Name):
别名(Chinese Common Name):湖北梣
异名(Synonym):
科属(Family & Genus):木犀科(Oleaceae)梣属
形态特征(Description):落叶大乔木,高达19米,胸径达1.5米;树皮深灰色,老时纵裂;营养枝常呈棘刺状。小枝挺直,被细绒毛或无毛。羽状复叶长7-15厘米;叶柄长3厘米,基部不增厚;叶轴具狭翅,小叶着生处有关节,至少在节上被短柔毛;小叶7-9(-11)枚,革质,披针形至卵状披针形,长1.7-5厘米,宽0.6-1.8厘米,先端渐尖,基部楔形,叶缘具锐锯齿,上面无毛,下面沿中脉基部被短柔毛,侧脉6-7对;小叶柄长3-4毫米,被细柔毛。花杂性,密集簇生于去年生枝上,呈甚短的聚伞圆锥花序,长约1.5厘米;两性花花萼钟状,雄蕊2,花药长1.5-2毫米,花丝较长,长5.5-6毫米,雌蕊具长花柱,柱头2裂。翅果匙形,长4-5厘米,宽5-8毫米,中上部最宽,先端急尖。花期2-3月,果期9月。
分布(Distribution):产于湖北,生海拔600米以下的低山丘陵地。
用途(Use):本种树干挺直,材质优良,单株材积可达10余立方米,是很好的材用树种。极罕见,应注意保护母树,繁育推广。
引自中国植物志英文版:FOC Vol. 15 Page 278
Fraxinus hupehensis Ch'u & Shang & Su, Acta Phytotax. Sin. 18: 366. 1980.
湖北梣 hu bei qin| Oleaceae  | Fraxinus
Trees to 19 m. Branchlets glabrous or puberulent, turning into thorns when old. Leaves 7-15 cm; petiole ca. 3 cm; axis narrowly winged; leaflets 7-9(-11); petiolule 3-4 mm, puberulent; leaflet blade lanceolate to ovate-lanceolate, 1.7-5 × 0.6-1.8 cm, leathery, adaxially glabrous, abaxially pubescent along base of midrib, base cuneate, margin sharply serrate, apex acuminate; primary veins 6 or 7 on each side of midrib. Cymose panicles lateral at branches of previous year, ca. 1.5 cm. Flowers polygamous, congested, fascicled, appearing before leaves. Corolla absent. Staminate flowers with campanulate calyx. Bisexual flower with minute calyx and truncate calyx teeth. Samara spatulate, 4-5 cm × 5-8 mm. Fl. Feb-Mar, fr. Sep.
* Hills; 100-600 m. Hubei
对节白腊Fraxinus hupehensis

对节白腊Fraxinus hupehensis

对节白腊Fraxinus hupehensis(责任编辑:徐晔春)

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