| 单词 | chaff scale |
| 释义 | > as lemmaschaff scale chaff scale n. Botany †(a) a sheath-like structure enclosing the inflorescence of a grass (cf. glume n.) (obsolete rare); (b) a bract associated with a floret of a grass plant or (now usually) of a plant of the family Asteraceae; cf. sense 3, and palea n. ΘΚΠ the world > plants > particular plants > plants and herbs > a grass or grasses > [noun] > part of bladec1450 grass root1474 bent1577 chat1601 grasstop1659 knee1678 locusta1707 straw1776 spikelet1793 strap1793 sheath-scale1796 spiket1796 stragule1821 scutellum1832 scobina1839 rachilla1842 chaff-scale1856 coleorhiza1866 hypoblast1882 lemma1906 the world > plants > particular plants > plants and herbs > according to family > Compositae (composite plants) > [noun] > composite plant > part of plant flower1530 pale1578 thrum1578 blade1672 floret1672 semi-floscule1720 radius1727 ray1727 semi-floret1729 egret1785 floscule1785 anthodium1812 periclinium1826 pericline1855 chaff-scale1856 phyllary1857 anthode1865 arrowlet1872 1830 W. MacGillivray Introd. Study Bot. in Withering's Arrangem. Brit. Plants (condensed ed.) 19 The Outer Husk or Chaff-scale..is the peculiar calyx of grasses and plants allied to them. 1856 W. B. Carpenter Microscope viii. 447 The hairs with which the paleæ (chaff-scales) of most Grasses are furnished, are strengthened by the like siliceous deposit. 1888 Encycl. Brit. XXIV. 531 At the base of each spikelet [of wheat] are two empty boat-shaped glumes or ‘chaff-scales’. 1951 Amer. Jrnl. Bot. 38 68/1 Chaff-scales oblong-linear, translucent, gradually or abruptly narrowed toward tip, under 6 mm. long. 2004 S. Morhardt & E. Morhardt Calif. Desert Flowers 43/1 Bur-sage best describes our four California desert species [of Ambrosia], which have one to two female flowers without corollas in heads by themselves, with the chaff scales growing into spines around the fruit(s). < as lemmas |
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