achenes
导读:achenes读音音标
英美
achenes意思解释
n.【植】瘦果网络成熟的果实内含黄色的瘦果变形复数:achenes 英英释义 achene[ ə\'ki:n ]n.small dry indehiscent fruit with the s
英美
achenes意思解释
n.【植】瘦果网络成熟的果实内含黄色的瘦果变形复数:achenes 英英释义 achene[ ə\'ki:n ]n.small dry indehiscent fruit with the s

achenes读音音标
英
美
achenes意思解释
n.
【植】瘦果
网络
成熟的果实内含黄色的瘦果
变形
复数:
achenes英英释义
achene[ ə\'ki:n ]
n.
small dry indehiscent fruit with the seed distinct from the fruit wall
双语例句
1.Overtheyears,
the
shapeofthe
inflorescencechangesaccording to the number of
achenes
that have
beendispersedformthe
peripheralzone
.在以后的多年里,随着外围的种子逐渐被传播,花序的形状发生变化。www.planta.cn2.Receptacleglabrous,rarelywithafewhairs;achenesglabrous.花托无毛,很少具一些毛;瘦果无毛。www.flora.ac.cn3.Weconclude
thatthe
mucilagelayer
ofA.sphaerocephala
achenesplays an
importantecologicalfunction in
seeddispersalandgermination.
研究表明:瘦果的粘液物质对白沙蒿种子的传播与萌发具有重要的生态意义。4.The
maincharactersof
thisspeciesaresmallleaflets
andcompressedachenes
withnarrow,lateralwings.本种的主要特征是小的小叶和压扁的瘦果具狭窄的,侧翅。www.flora.ac.cn5.Stigmascapitate.Achenesexceedingpersistent
perianth,brown,shiny,
broadlyellipsoid, trigonous
.柱头头状瘦果超过宿存花被,棕色,发亮,宽椭圆形,三棱。www.flora.ac.cn6.Inveryoldinflorescence,however,from which the
acheneshave
alreadydispersed,the
mechanismno
longerworksand the
bractsare
shed.然而,在很老的花序里,瘦果早已完全传播,这种机制就不再起作用,苞片闭合。www.planta.cn7.Thiseffectofpositionensuresthat
achenesof each whorl
germinatewhenthey
reachtheperipheryandare
disconnected.这种位置效应确保了每一圈的瘦果在到达外围并且分离的时候才萌发。www.planta.cn8.Achenesnarrowlyellipsoidal,tuberculate
.狭椭圆体的瘦果,具瘤。www.flora.ac.cn9.Thecentralachenesare the
lastto go
.中心的瘦果*后传播。www.planta.cn10.Achenesgrooved;angles
roundedbelowmiddle,sharply
acuteabove;pedicelarticulateatmiddle.开槽的瘦果;有棱圆形的中间以下,在上面锐锐尖;花梗有节在中部。www.flora.ac.cn12345