rachillae

rachillae

1. Spikelets with 1 floret, laterally compressed, disarticulating above glumes, rachilla shortly extended beyond floret, glabrous;

1小花的小穗具，侧面压扁，高于颖片，短延长的小穗轴脱节在以外，无毛；

2. Spikelets ovate-lanceolate, laterally compressed, florets several to many, rachilla disarticulating above glumes and between florets;

卵状披针形的小穗，侧面压扁，小花数枚到多数，高于颖片脱节和在小花之间的小穗轴；

3. Specimens occur sporadically throughout the range of the species in which the rudimentary second floret at the end of the rachilla extension is better developed.

在整个分布区的本种期间不时发生标本发生在哪个这不发育秒小花在扩展好发育的那些小穗轴结束时。

4. 12(11) Spikelets in loose, spicate clusters; palea not keeled; lodicules absent (to 3); glumes usually absent; rachilla internodes usually disarticulating.

在松散，穗状的簇生里的小穗；内稃不翻转；鳞被无(对3来说)；颖片通常无；小穗轴节间通常脱节。

5. rachilla disarticulating above glumes, extension beyond floret absent or small and glabrous, rarely better developed and penicillate;

在缺席或者小和无毛小花以外高于颖片脱节的小穗轴，扩展，很少很好地发展，具毛撮；

6. Spikelets in very dense heads; palea keeled; lodicules 3; glumes 2 or 3; rachilla internodes not disarticulating.

在非常紧密的头状花序里的小穗；内稃翻转；鳞被3；颖片2或3；小穗轴节间不脱节。

7. rachilla extension present, minute, glabrous or rarely with a few hairs;

存在的小穗轴扩展，分钟，有一些毛的无毛的或很少；

8. rachilla extension absent or rarely present, glabrous.

存在，无毛的小穗轴扩展缺席的或很少。

9. Spikelets composed of distichous bracts arranged along a slender axis (rachilla);

小穗具有二列的苞片沿着一个纤细的小穗轴排列；

10. Spikelets falling entire, floret 1, rachilla extension bearing a bunch of up to 9 smaller sterile lemmas, cross veinlets evident on glumes and lemmas;

小穗变为全缘，小花1，小穗轴扩展承担最多9更小的不育的外稃，在颖片和外稃上明显的小横脉的一群；

11. rachilla densely pilose;

小穗轴密被柔毛；

12. rachilla extension minute;

小穗轴扩展分钟；

13. rachilla glabrous or scabrid, sometimes minutely hairy;

小穗轴无毛或者粗糙，有时精确有毛；

14. rachilla scabrid or smooth;

小穗轴粗糙的或平滑；

15. rachilla scabrid;

小穗轴粗糙；

16. rachilla internodes ca. 2 mm, minutely hairy, laterally visible;

小穗轴节间的约2毫米，精确有毛，侧面可见；

17. rachilla puberulous or glabrous, disarticulating below each floret;

小穗轴被微柔毛或无毛，在每小花下面脱节；

18. rachilla scaberulous, disarticulating above glumes and between florets;

小穗轴高于颖片微糙，脱节和在小花之间；

19. rachilla disarticulating above glumes and between florets.

小穗轴高于颖片脱节和在小花之间。

20. base of floret often with thickened prolongation articulated with rachilla (callus);

小花的基部通常有膨大的小穗轴；

21. Relationship between Vascular Bundle System of Rachis and Rachilla and Ear Productivity in Wheat

小麦穗轴和小穗轴维管束系统及与穗部生产力关系的研究

22. rachilla disarticulating between florets from top downward at maturity;

成熟时的向下的在来自顶的小花之间脱节的小穗轴；

23. STRUCTURE OF RACHILLAE AND ITS CHANGES OURING FLOWER OPENING AND CLOSURE IN RICE

水稻小穗轴的结构及其在开闭颖过程中的变化

24. This is formed by the swollen lowest rachilla internode and adnate lower glume.

膨胀的最低的小穗轴节间和贴生的更低的颖片形成这。

25. rachilla internodes disarticulating, ca. 1/2 as long as florets.

节间脱节的小穗轴，大约1/2的倍于小花。

26. 18(17) Inflorescence subtended by a broad, 2-keeled prophyll; rachilla internodes usually distinct and disarticulating.

花序被包着以一宽阔的部分，2龙骨状；小穗轴节间通常清楚和脱节。

27. Zheng YF., GP. Sun and XG. Chen：Characteristics of the short rachillae of rice from archaeological sites dating to 7000 years ago, Chinese Science Bullentin, 2007, 52（12）：1654-1660

郑云飞，蒋乐平，郑建明：跨湖桥遗址出土的古稻研究，中国水稻科学，2004年，第2期。