recognition of the classification, biostratigraphy and biogeography of the ordovician and silurian rugose corals in the yangtze region

adaxial surface rugose to bullate, glabrous or with a few bristles at base when mature;

正面具皱纹到具泡状隆起，无毛或者有一些硬毛在基部成熟时的；

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for example, 97. 6% of the cultivars had small or medium size leaves and 73. 5% had slightly rugose in leaf upper surface.

发现资源间某些性状具有一定的相似性，如叶片大小属于中小叶的比例高达97.6%，叶面大部分为微隆起，占73.

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achenes subglobose, flattened on 1 side, ca. 0. 5 mm in diam. , rugose.

瘦果近球形，使变平的在一边上，直径约0.5毫米，具皱纹。

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spur branchlets ca. 1 cm, ca. 2. 5 mm in diam. , rugose with scales and leaf scars.

距小枝约1厘米，直径约2.5毫米，具皱纹有鳞片和叶痕的。

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mericarps 10-12, abaxially smooth, ca. 1 mm thick, angles rounded and rugose, sides reticulate.

分果爿10-12，背面平滑，厚的约1毫米，角圆形和具皱纹，网状的面。

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seeds light brown, broadly ellipsoid to subglobose, 1. 2-1. 5 mm, longitudinally rugose, both ends winged.

浅褐色的种子，宽椭圆形到近球形，1.2-1.5毫米，具皱纹，具翅的两末端的纵向。

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schizocarps unequal, brown, 1-1. 5 mm thick, nearly woody, abaxially slightly rugose.

不相等，棕色的分果，1-1.5毫米厚，近木质，背面的稍具皱纹。

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seeds 4--14, black to dark brown, slightly rugose.

种子4-14，黑色到暗褐色，稍具皱纹。

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mature achenes subreniform, ca. 1 mm in diam. , rugose.

近肾形的成熟的瘦果，直径约1毫米，具皱纹。

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capsule rugose, without wings, echinate or lobed, opening by 4 or 5 lobes at maturity.

蒴果具皱纹，没有翅，具刺或浅裂的，以成熟时4或5裂片打开。

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seeds subglobose, ca. 1 mm in diam. , conspicuously ridged, rugose.

近球形的种子，直径约1毫米，显著使成脊状，具皱纹。

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fruit rugose, without prickles and wings, not globose, opening by 4 or 5 lobes at maturity.

果具皱纹，没有皮刺和翅，不球状，成熟时以4或5裂片打开。

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lateral veins 8-18 pairs, appearing rugose due to depressed veins.

侧脉8-18对，由于下凹的脉似乎具皱纹。

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leaf blade veins adaxially deeply impressed, surface rugose; bracteoles and sepals 12-17, inside velutinous.

正面深深凹陷的叶片脉，表面具皱纹；小苞片和萼片12-17，里面短绒毛。

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seeds convex on 1 face, transversely rugose, with fleshy funicle.

种子凸的在1边，横向具皱纹，具肉质的珠柄。

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seeds brown to black-brown, densely rugose.

种子棕色到黑色棕色，浓密。

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seeds deltoid-obconical, ca. 3 mm, densely transversely rugose.

种子正三角形倒圆锥形，约3毫米，浓密横向具皱纹。

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seed coat transversely rugose on dorsal side.

在背侧的边上的横向的种皮具皱纹。

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leaf blade adaxially rugose, abaxially with brown to yellowish brown stellate hairs, margin entire or with scattered teeth.

叶片正面具皱纹，背面具使到淡黄色成褐色棕色毛，边缘全缘或具星散的齿。

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leaf blade oblong, ovate-oblong, or ovate, apex acute, adaxially distinctly rugose.

叶片长圆形，卵状长圆形，或卵形，先端锐尖，正面明显具皱纹。

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