Trees, lofty, emergent, with grayish brown to orange flaky, prominently lenticellate bark and aromatic oily white resin, with stout buttresses.

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Branchlets terete, lenticellate; calyx lobes densely punctate-lineate; bracts and bracteoles wider than long; inflorescence rachis and pedicels glabrous

小枝圓柱狀，具皮孔国产图片大全综合视频；濃密的萼裂片具點(diǎn)具線紋一级做a爰片久久毛片A片高潮；苞片和小苞片長不及寬；花序軸和花梗無毛 22 Maesa consanguinea 擬杜莖山

Leaves often glandular punctate abaxially, usually serrate or dentate, rarely lobulate.

葉背面通常具腺點(diǎn)308AV.COM，邊緣通常有鋸齒或者具齒亚洲色AⅤ性色在线观看，少數(shù)具小裂片。

Petiole to 2-12(-14) cm; leaf blade ovate to broadly ovate, elliptic, lanceolate, or oblong, rarely ovate- rhombic; lateral veins 3-7 on each side of midrib, conspicuous, margin coarsely to double serrate, crenate, or dentate to lobulate, rarely merely cr

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Petiole to 6 cm, rust-brown villous and pubescent; leaf blade elliptic to oblong, 1.5-8 X 1.1-3 cm, adaxially densely gray villous and sparsely brown villous and pubescent or sparsely villous to puberulent, abaxially white pubescent and densely brown villous or villous to puberulent, base cuneate to cordate, margin crenate to lobulate with lobes crenate; lateral veins 4 or 5 on each side of midrib, inconspicuous or conspicuous abaxially.

葉柄到6厘米，銹棕色具長柔毛和短柔毛黄视频中文字幕；葉片橢圓形到長圓形毛片无码免费视频一区二区三区， 1.5-8 X 1.1-3厘米，灰色具長柔毛和稀少棕色具長柔毛的和短柔毛或者疏生長柔毛到微柔毛的濃密的正面日本一区二区免费黄色视频，側(cè)脈4或5在中脈每邊各深夜十八禁，不明顯的或背面明顯。

Branchlets sparsely villous; petiole 1-3 cm, loosely villous or glabrescent; leaves ovate, oblong, or elliptic, pilose along veins abaxially, margin lobulate or incised distally; bracts longer than fruit

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Outer sepals 5-10 mm, mucronulate, glabrous to pilose abaxially, margin ciliate or fimbriate; corolla 1.5-4 cm.

外部萼片5-10毫米日本黄色视频在线观看免费，具小短尖，具柔毛背面的無毛到欧洲一级A片大全，邊緣具緣毛或流蘇狀日本免费看A片一进一出；花冠1.5-4 厘米 20

Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.

短的根狀莖長和薄的或具小節(jié)；三出的葉片一级黄片久久99，狹窄的葉柄东北肥女人毛多水多性视频；總苞片具葉柄；雌蕊和瘦果具離生的花柱和小三级免费操逼视频，通常線形柱頭欧洲精品欧美精品。

At the depigmentation assay, DH and EH show dose-dependently inhibitory activities against mushroom tyrosinase, and the IC50 is 5.697 and 5.256 mM, respectively, and show noncompetitively inhibitory modes in the present of tyrosine, but not DOPA. The control synthetic products, D and E, have no inhibitory effects on tyrosinase. Using tyrosinase activity staining in PAGE gels, both DH and EH show dose-dependently inhibitory pattern in the presence of tyrosine, while, EH also could suppress tyrosinase activity in the presence of DOPA.

而美白活性方面，以商品酪胺酸以商品酪胺酸酵素進(jìn)行實(shí)驗(yàn)人人摸人人交，當(dāng)基質(zhì)為酪胺酸時(shí)，發(fā)現(xiàn)DH與EH具濃度相關(guān)抑制效果在线免费观看视频黄片，IC50分別為5.697與5.256 mM131美女作爱视频一区二区，且其相對(duì)於基質(zhì)酪胺酸之抑制型態(tài)皆為非競(jìng)爭(zhēng)型抑制，而其結(jié)構(gòu)類似物之對(duì)照化合物D與E則不具此活性欧美一级αA；但當(dāng)基質(zhì)為多巴時(shí)則皆不具此活性伊人久久久AⅤ老熟妇；利用原態(tài)PAGE電泳活性染色亦發(fā)現(xiàn)抑制酪胺酸酵素結(jié)果，但EH在基質(zhì)為多巴時(shí)也能下降酪胺酸酵素活性超碰在线色婷婷。

Trees, evergreen, up to 15 m tall; branches with 1 prophyll, young shoots and petioles stellately tomentose or with sessile peltate scales; buds perulate.

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