midvein
美 
英
例句
Stomatal apparatuses are oval, and the long axes of stomata are mostly perpendicular or oblique to the midvein.
氣孔器橢圓形，長軸與葉片長軸垂直或成一定的角度。
Petals broadly obovate, white, rarely pinkish or purplish, midvein yellow or yellow-green, base cuneate, with an inflexed apex.
花瓣寬倒卵形，白色，很少帶粉紅色或略帶紫色的，黃或黃綠色，基部楔形，具內折先端。
Leaf blade sometimes folded, base slightly broadened, margin cartilaginous, apex acuminate, midvein scabrous.
葉片有時折疊，稍擴大的基部，邊緣軟骨質，先端漸尖，中脈粗糙。
leaf blade lanceolate or oblong, with several pairs of longitudinal veins parallel to a distinct midvein.
葉片披針形或者長圓形，有幾對平行的縱裂或一個顯著的中脈。
Leaf blade without an obvious midvein but with many, slender, longitudinal veins dichotomous in basal region and converging toward apex.
沒有一明顯的中脈的但是具很多的葉片，纖細，縱向脈在基部的地區和會聚的向先端二歧。
Inflorescences umbels, sessile, borne on midvein of leaf blade, rarely on petiole of leaves on upper part of young branches.
傘形花序，無柄，生于葉片的中脈上，少數生于幼枝的葉柄的上部。
Leaves basal, tufted, grasslike, lanceolate to linear, with a conspicuous midvein.
葉基生，叢生，草狀，披針形到線形，有一明顯中脈。
Leaves pectinate-pinnatifid, with up to 11 lobes on each side of midvein; stigma prominently 2-lobed, lobes subdecurrent.
羽狀半裂葉櫛狀，具可達11裂片在中脈兩邊各；柱頭顯著2裂，裂片。
Petals yellow, outer reddish-tinged, ovate, midvein elevated on both surfaces, apex narrowly inflexed.
花瓣黃色，外部帶紅色微染，卵形，中脈兩面突起，先端狹內折。
Leaf blade secondary veins 6-8 on each side of midvein, apex acute and with a retuse tip.
葉片次脈6-8在中脈兩邊各，先端銳尖并且具一微凹的端部。
A prominent, simple vein or rib of a leaf. See illustration for midvein.
葉的明顯而簡單脈或肋。
bracts lanceolate, margin and midvein sparsely hirtellous, apex long acuminate.
苞片披針形，邊緣和中脈疏生，先端長漸尖。
inner ones with purple midvein, sometimes slightly longer than outer ones, apex acute, shortly pointed.
紫色中脈的內部的具，有時稍長于外部的，先端銳尖，短尖。
Corolla tubular-campanulate; leaf with fine veins inconspicuous on both surfaces; abaxially densely floccose towards base on midvein.
花冠管狀鐘狀葉具細脈兩面不明顯；背面被叢卷毛向基部在中脈上的濃密。
41 (40) Leaflet blades abaxially pubescent at least on midvein toward base or secondary veins.
對于基部或次脈的小葉葉片背面具短柔毛至少在中脈上。
Leaf blade margin conspicuously serrate, crenate serrate, or sparsely serrate, midvein adaxially raised.
顯著葉片邊緣有鋸齒，圓齒狀鋸齒，或疏生有鋸齒，正面突起。
Sepals lanceolate to ovate-lanceolate, 3-veined, midvein raised, lateral veins not obvious, margin white membranous, apex acute.
萼片披針形到卵狀披針形，3脈，中脈凸起，不明顯的側脈，邊緣白色膜質，先端銳尖。
Leaves petiolate; leaf blade usually membranous, secondary veins 4 on each side of midvein, tertiary veins parallel, margin dentate.
葉具葉柄葉片通常膜質，次脈4在中脈兩邊各，平行的第三脈，邊緣具牙齒。
Petiolule and midvein of blade densely yellow pubescent, without fine prickles.
小葉柄和葉片中脈密被黃色短柔毛，沒有細皮刺。
Leaf blade with only midvein and lateral veins pubescent abaxially; male pedicels, sepals outside, and capsules glabrous.
葉片具只中脈和側脈短柔毛背面；雄花花梗，萼片外面和蒴果無毛。
Style deeply lobed, ca. as long as ovary; young leaf blade obovate to obovate-oblong, rarely oblanceolate, abaxially comose along midvein.
深裂的花柱，約與子房等長；年輕的葉片倒卵形的到倒卵狀長圓形，很少倒披針形，背面的具叢毛的沿中脈。
Inflorescences axillary, sometimes borne on petiole or leaf midvein.
花序腋生，有時生葉柄或葉中脈。
upper lemma lanceolate, midvein produced into mucro or poorly developed short awn.
披針形，中脈的上面外稃進短尖頭或生產發育不良短。
Leaf blade abaxially pubescent along midvein. Bracts ovate-oblong or ovate, both surfaces pilose or glabrous distally.
葉片背面短柔毛沿中脈。苞片卵形長圓形或卵形，兩面具柔毛或無毛上部。
Leaf blade oblong-elliptic, adaxially pubescent along midvein, apex abruptly acute to shortly acuminate.
葉片長圓狀橢圓形，正面青春期的沿中脈，先端突然銳尖的到短漸尖。
Branchlets nearly glabrous; adaxial surface of leaf blade glabrous except on midvein; inflorescences minutely puberulent.
小枝近無毛；葉片除了中脈外無毛的正面；花序稍被微柔毛。
Fruit with prominent midvein and two lateral veins, widest at middle, light brown.
突出中脈的果具和二側脈，寬在中部，淺褐色。
leaf blade pubescent, secondary veins 2 on each side of midvein, tertiary veins numerous and parallel, margin entire.
葉具葉柄葉片短柔毛，次脈在中脈兩邊各2，第三脈多數和平行，邊緣全緣。
floral bracts obovate, occasionally crested along midvein, glabrous or abaxially with some short hairs.
花的苞片倒卵形，偶有具脊的沿中脈，無毛的或背面具一些短毛。
Stellate hairs of leaf blade abaxial midvein without long central rays.
沒有長的中心的射線背軸中脈的葉片的星狀毛。
Buds, petioles, young leaves, midvein adaxially and mature leaves puberulent.
芽，葉柄，幼葉，中脈正面和成熟葉子被微柔毛。
Leaves abaxially rusty tomentose on midvein and lateral veins to throughout entire surface.
葉背面銹色絨毛在中脈和側脈上到在整個全緣的表面。
lateral veins ca. 30 pairs, nearly at a right angle to midvein, flattened on both surfaces.
約的側脈30對，近在一個直角對中脈，扁平的在兩面。
lobes linear-lanceolate, 8-10 mm, margin ciliolate, apex acuminate, midvein outside strongly keeled and decurrent into wings of calyx tube.
裂片線形披針形，8-10毫米，邊緣具短緣毛，先端漸尖，進萼筒的翅中脈在外面強烈龍骨狀和下延。
lateral veins numerous, subparallel, almost at a right angle to midvein.
側脈多數，近平行，幾乎在一直角對。
Leaflet blades abaxially densely tomentose, adaxially hairy only on midvein and lateral veins, base broadly cuneate to rounded.
小葉葉片背面的密被絨毛，正面有毛的只在中脈和側脈上，基部寬楔形到圓形。
midvein prominent abaxially, concave adaxially, without evident lateral veins.
中脈背面突出，正面凹，沒有明顯的側脈。
Leaves petiolate; leaf blade stiffly papery to sometimes membranous, secondary veins 2 or 3 on each side of midvein, margin denticulate.
葉具葉柄葉片硬紙質到有時膜質，次脈在中脈兩邊各2或3的，邊緣具小齒。
Leaves petiolate; leaf blade ovate to oblong, secondary veins 1 on each side of midvein, margin entire.
葉具葉柄卵形到長圓形的葉片，次脈在中脈兩邊各1，邊緣全緣。
Perianth white; segments with pale red midvein.
花被白色花被片具淺紅色中脈。
