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锐尖

网络acute; Sharp Point

锐尖

锐尖

acute

　　锐尖(acute) 尖端为锐角，且叶边缘直顺，如桑（Morus alba L.）。　　钝尖(obtuse) 尖端成一钝角或狭圆形，如大叶黄杨的叶。

Sharp Point

...5N的外力下保持原形，则可视其为锐尖 8.12 锐尖 (Sharp Point ) ? 尖点测试仪器 8.13 弯曲测试 (Flexure Test) 玩具或儿童用 …

4

tertiary veins reticulate , base cuneate, slightly decurrent, margin cartilaginous, involute, apex acute or shortly acuminate.

支脉网状，基部楔形，稍下延，边缘软骨质，内卷，先端锐尖或短渐尖。

5

Leaf blade usually elliptic , leathery, apex acute to acuminate, abaxially scattered punctate ; bracteoles close to calyx .

叶片通常椭圆形，革质，先端锐尖或渐尖，背面星散具点；小苞片接近于花萼。

6

anthers narrowly lanceolate , longitudinally dehiscent , punctate dorsally, apex acute .

狭披针形的花药，纵向开裂，背具点，先端锐尖。

7

The wood is used for making furniture and stationery , and the leaves and bark are used to treat acute bronchitis .

木头用于制造家俱和文具，并且叶和树皮用来治疗锐尖的支气管炎。

9

ultimate segments ovate , usually lobed , lobules lanceolate, both surfaces roughened, hispid, apex acute, deciduous .

卵形的末回裂片，通常浅裂，披针形，两面使粗糙，具糙硬毛，先端锐尖，落叶。

10

Leaves ovate , broadly ovate, or rhombic-ovate, longer than wide, apex abruptly acute to acuminate; pedicel of female flower less than 2 mm .

卵形，宽卵形的叶，卵形的或菱形，长于宽，先端突然锐尖到渐尖；雌花不到 2 毫米的花梗。

11

leaf blade oblong to ovate-lanceolate , pubescent, glabrescent, base acute, margin entire, serrate, or deeply incised-dentate, apex acute .

叶片长圆形到卵状披针形，短柔毛，，基部锐尖，边缘全缘，有锯齿，深深锐裂具牙齿，先端锐尖的或。

12

Calyx lobes broadly ovate , acute or obtuse, puberulent, ciliate, inconspicuously pellucid punctate-lineate.

萼裂片宽卵形，锐尖或钝，被微柔毛，具缘毛，难以觉察透明具线纹。

13

Bract base decurrent; bractlet margin membranous laterally , but apex herbaceous , acute; anther appendage apex pungent.

苞片基部下延；小苞片侧面边缘膜质的，但是顶草质，锐尖；花药附属物先端锐尖。

14

bracts black or brownish yellow proximally, elliptic or ovate , villous, often glabrescent distally, apex shortly acuminate or acute .

黄下部的苞片黑色或带褐色的，椭圆形或卵形，具长柔毛，通常上部，先端短渐尖或锐尖。

15

Styles divided to base , free arms strongly recurved in fruit ; leaflets elliptic (rarely narrowly elliptic ), apex acute to shortly acuminate.

花柱全裂至基部，离生臂强烈在果期弯曲；小叶椭圆形（很少狭椭圆形），先端锐尖到短渐尖。

16

Leaf blade oblong-lanceolate , base cuneate, margin prominently doubly serrate, apex acute . Hypanthium glabrous .

长圆状披针形的叶片，基部楔形，边缘显著重锯齿，先端锐尖。托杯无毛。

17

Corona lobes shorter than anthers , base with an erect , hook like dorsal spur, apex bluntly acute .

副花冠裂片短于花药，基部具直立，背侧距，钝的锐尖的先端。

18

Leaves prominently black punctate-lineate; bracts subulate, bracteoles and calyx lobes longer than wide , apery, apex acute .

显著的叶黑色具点具线纹；苞片钻形，小苞片和萼裂片长于宽，学样，先端锐尖。

19

Sepals triangular-elliptic , as long as hypanthium, recurved, margin frequently glandular-dentate, apex acute .

萼片三角形的椭圆形，倍于托杯，下弯，经常给具腺齿镶边，先端锐尖。

20

Leaf blade apex obtuse to acute , apiculate; scales on abaxial surface concave , veins conspicuous on both sides ; corolla scaly outside .

叶片先端钝的到锐尖，具细尖；鳞片在背面凹面，脉明显的两面；有鳞的花冠在外面。

21

terminal leaflet of radical leaves broadly rhombic-ovate or obovate-lanceolate , apex usually acuminate, rarely acute .

卵形胚根叶宽棱形的顶生小叶披针形或倒卵形，先端通常渐尖，很少锐尖。

22

Spikes terminal; bracts conspicuously larger than leaves , pubescence as on leaves , marginal teeth acute to acuminate.

如同在叶，边缘的齿锐尖到渐尖上的比叶，短柔毛大的显著的苞片。

24

Calyx lobes ovate-triangular , margin ciliate, apex acute with a setose tip .

萼裂片卵状三角形，边缘具缘毛，先端锐尖具一顶部。

25

anthers broadly ovate , longitudinally dehiscent , not punctate dorsally , apex acute .

宽卵形的花药，纵向开裂，背不具点，先端锐尖。

28

tertiary veins few , lax , inconspicuous, base cuneate or broadly cuneate, margin involute, apex acuminate or acute .

第三脉很少，疏松，不明显，基部楔形或宽楔形，边缘内卷，先端渐尖或锐尖的。

29

leaf blade rhombic-ovate or oblong-lanceolate , glabrous , base cuneate, margin entire or undulate, apex acuminate or acute .

叶片菱形的卵形的或长圆状披针形，无毛，基部楔形，边缘全缘或波状，先端渐尖或锐尖的。

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