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資料編號: | HK-4916 |
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中文名稱: | 刨花潤楠 |
中文別名: | 多脈潤楠_密脈潤楠 |
學名: | Machilus pauhoi [找同屬植物] |
英文名稱: | Many-nerved Machilus |
植物科名: (APG新系統) | LAURACEAE樟科 [找同科植物] |
標室舊系統 | LAURACEAE樟科[找同科] |
生長習性: | 喬木 |
原生/外來: | 香港原生植物 |
圖片花色: | yellow |
圖片果色: | green |
資料更新: | 20200211 10:39:56 am |
備註: 100%confirm 是刨花潤楠 中國植物物誌用葉分析: 紅楠:葉倒卵形至倒卵狀披針形. 刨花潤楠: 葉橢圓形或狹橢圓形,間或倒披針形. FOC: Trees, to 20 m tall; trunk to 30 cm d.b.h. Branchlets glabrous or puberulent at base of young shoot. Terminal buds usually densely brownish sericeous. Leaves usually congested at apex of branchlet; petiole 1.1-1.6(-2.5) cm, glabrous; leaf blade elliptic or narrowly elliptic, sometimes oblanceolate, 7-15(-17) × 2-4(-5) cm, leathery, abaxially appressed sericeous, rarely glabrate, adaxially glabrous, midrib distinctly elevated abaxially, concave adaxially, lateral veins slender, 12-17 pairs, veinlets most slender, inconspicuous on both surfaces, base cuneate, apex acuminate or long acuminate. Cymose panicles on lower part of 1-year-old branchlet, ca. as long as leaf blade, puberulent, with a few flowers, branched ca. at middle or upper part of peduncle. Pedicel slender, 8-13 mm. Perianth lobes ovate-lanceolate, ca. 6 mm, puberulent on both surfaces. Stamens glabrous; glands of 3rd series stipitate. Staminodes ca. as long as glands, ca. 1.5 mm. Ovary subglobose; style longer than ovary. Fruit globose, ca. 1 cm in diam., black when mature. 喬木,高6.5-20米,直徑達30厘米,樹皮灰褐色,有淺裂。小枝綠帶褐色,乾時常帶黑色,無毛或新枝基部有淺棕色小柔毛。頂芽球形至近卵形,隨著新枝萌發,漸多少呈竹筍形,鱗片密被棕色或黃棕色小柔毛。 葉常集生小枝梢端,橢圓形或狹橢圓形,間或倒披針形,長7-15(17)厘米,寬2-4(5)厘米,先端漸尖或尾狀漸尖,尖頭稍鈍,基部楔形,革質,上面深綠色,無毛,下面淺綠色,嫩時除中脈和側脈外密被灰黃色貼伏絹毛,老時仍被貼伏小絹毛,中脈上面凹下,下面明顯突起,側脈纖細,每邊12-17條,小脈很纖細,結成密網狀;葉柄長1.2-1.6(2.5)厘米。 聚傘狀圓錐花序生當年生枝下部,約與葉近等長,有微小柔毛,疏花,約在中部或上端分枝;花梗纖細,長8-13毫米;花被裂片卵狀披針形,長約6毫米,先端鈍,兩面都有小柔毛;雄蕊無毛,第三輪雄蕊的腺體有柄,退化雄蕊約和腺體等長,長約1.5毫米;子房無毛,近球形,花柱較子房長,柱頭小,頭狀。果球形,直徑約1厘米,熟時黑色。 本種的邊材易腐,心材較堅實,稍帶紅色,弦切面的紋理美觀,為散孔材,木射線纖細,放大鏡下可見。木材供建築、製家具,刨成薄片,叫“刨花”,浸水中可產生粘液,加入石灰水中,用於粉刷牆壁,能增加石灰的粘著力,不易揩脫,並可用於製紙。種子含油脂,為製造臘燭和肥皂的好原料。 | |
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