长形盾

Seed cones terminal on branchlets, solitary, globose or oblong, dehiscent when mature in 1st year; cone scales 8-12, peltate, woody, each fertile scale bearing (1 or)2(-5) seeds; free bract apex a small mucro.

顶生的球果在小枝上，单生，或长圆形，开裂在第1年内成熟时；珠鳞8-12，盾形，木质，不是每能育鳞片都着生或2-5种子；离生苞片先端一小的短尖头。

Apical appendage of keel peltate or saccate-cucullate; seeds densely hirsute-villous, strophiole absent

龙骨瓣顶端附属物盾形的或囊状兜状；种子密被长硬毛具长柔毛，无种阜 35

Plant monoecious. Male flowers sometimes solitary, sometimes in a thyrse 5-7 cm, 2-3 cm in diam.; pedicels 0.8-1.5 cm; sepals 2 large, 2 small; petals orange, obovate, 1-5 × as long as sepals; stamen fascicles stalk 2-3 mm, each fascicle with 50 anthers; anthers aggregated into a head, 2-celled, cells longitudinally dehiscent; pistillode columnar; stigma distinctly peltate, 4-lobed.

雌雄同株；雄花有时单生，有时在一聚伞圆锥花序内5-7厘米，直径2-3厘米；花梗0.8-1.5厘米；大的萼片2，小的2；花瓣橙，倒卵形，长为萼片的1-5 倍；雄蕊束簇柄2-3毫米，每束簇具50花药；花药聚生为头状花序，2室，室纵向开裂；退化雌蕊柱状；柱头清楚的盾形，4裂。

Leaves arising from rhizome, simple, alternate, floating, emersed, or submersed, long petiolate but short petiolate on submersed vernal ones; leaf blade undivided, usually with a basal sinus, often peltate.

单叶着生于根状茎，互生，漂浮，挺水，或沉水，有长叶柄但是在春季的沉水叶上为短叶柄；叶片不分裂，通常基部有凹缺，通常盾形。

Ca. 5 mm. Calyx yellow with purple-brown blotches and reticulate veins; tube geniculately curved, abaxially densely villous; basal portion of tube 50-65 × 10-20 mm; limb oblong-peltate, 5-8 × 4-7 cm, 3-lobed; lobes unequal, rounded.

花萼黄的具紫褐色大块斑点和网脉；筒部膝曲，背面的密被长柔毛；筒部的基部的部分 50-65 * 10-20 毫米；冠檐盾形长圆形， 5-8 * 4-7 厘米，3浅裂；裂片不等长，圆形。

Female flowers: perianth tube adnate to ovary, mouth contracted, apex 3- or 4-toothed; staminodes absent; stigma sessile, discoid or peltate, long ciliate hairs along margin; ovule orthotropous.

雌花： 花被筒贴生于子房，口部收缩，顶3或4齿状；退化雄蕊无。柱头无柄，盘状的或者盾形，具长缘毛毛沿边缘；胚珠直生的。

Umbrella form inflorescence normally 2~4 bunch gives birth to short branch of Yu Xie armpit, short branch grows 1~2 millimeter; Inflorescence total stalk grows 5~10 millimeter, by short fluff; Bud piece 4, wide egg form, have 5~6 arteries and veins, outside a few without wool, inside face by white short fluff; Inflorescence of each umbrella form has beautiful 4~6, the leaf is opened or open at the same time with the leaf first; Peduncular grow about 1.5 millimeter, close by white fluff; Perianth piece 6, elliptic, two sides by short fluff; In male flower can Yo is staminal 9, filament has grey yellow fluff, form of heart of shape of aegis of body of gland of ministry of the 3rd round of stamen radical, do not have a handle nearly, degrade pistil is not had; Stamen degrades in female flower 9, staff state, by grey yellow fluff, ovarian crock form, style is dumpy, post head shape, shallow crack.

伞形花序通常2~4个簇生于叶腋短枝上，短枝长1~2毫米；花序总梗长5~10毫米，被短柔毛；苞片4，宽卵形，有5~6条脉，外面几无毛，内面被白色短柔毛；每一伞形花序有花4~6朵，先叶开放或与叶同时开放；花梗长约1.5毫米，密被白色柔毛；花被片6，椭圆形，两面被短柔毛；雄花中能育雄蕊9，花丝有灰黄色柔毛，第三轮雄蕊基部腺体盾状心形，近无柄，退化雌蕊无；雌花中退化雄蕊9，棍棒状，被灰黄色柔毛，子房壶形，花柱粗短，柱头头状，具浅裂。

Flowers 5(-8) mm; apical appendage of keel peltate; capsule oblong-obovate, ca.

花5(-8)毫米；龙骨瓣顶端附属物盾形；长圆状倒卵形的蒴果，约8毫米，直径约4毫米。

Male flowers: free, surrounded by peltate to clavate interfloral bracts; calyx tubular, slightly 2-lobed or 2-4-lobed; lobes imbricate or valvate; stamen 1, straight in bud, slightly to conspicuously exserted from calyx; anthers globose to oblong, 2-loculed; pistillode absent.

雄花： 离生，被盾形到棍棒状的花内苞片包围；花萼管状，稍2裂或浅裂；裂片覆瓦状的或镊合状；雄蕊1，在芽中直，从花萼稍外露到显著；花药球状的到长圆形，2室；退化雌蕊缺席。

A Eurasian plant having thick, peltate leaves and yellowish-green flowers.

一种长有较厚且呈盾形的叶子和''。'黄绿色'。''''。'花朵'。''的亚欧植物

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。