多年生的

The length,width,thickness and weight of the current year and more than one-year-old needles of both bi-needle-cluster and tri-needle-cluster of slash pine were measured to expose the differences in terms of leaf shape and specific leaf area,and leaf area index was estimate based on measurement of the plantation in Qianyanzhou Ecological Station.

对湿地松当年生和多年生两针一束、三针一束叶片的长度、宽度、厚度和重量分别进行量测，据此探讨不同类型叶片的叶形和比叶面积差异，并结合样地调查数据对中科院千烟洲试验站湿地松人工林的叶面积指数进行计算。

Herbs, perennial, 5-35 cm tall, suberect to ascending from creeping branching rooting base; stems solitary or ± cespitose, unbranched or ± branched above.

多年生草本，5-35厘米高，来自匍匐的枝根基部的直立到上升；上面的茎单生或多少丛生，不分枝的或多少枝。

Leaves simple, alternate on long, 1-year-old branchlets or single and subterminal on short, many-year-old branchlets, marked by crowded concentric scars from petiole bases and bud scales from former years; leaf blade palmately veined.

单叶，在1年生枝条上互生，在短的多年生枝条上单生或近顶生，叶柄和往年的芽鳞基部有同心的疤痕叶片具掌状脉。

In the fenced plot of site A, the seed percentage of annual and biannual herbs in soil seed bank reserve was very high, and the percentage was even higher in the unfenced plot.

羊草样地围栏内外土壤种子库内的种子均以一、二年生牧草为主，远多于多年生牧草的数量。而围栏外一、二年生牧草在种子库总贮量中所占的比例更高。

Genus of perennial tuberous herbs having lilylike flowers; Mexico; sometimes placed in family Amaryllidaceae.

有类似百合的花的一个多年生块茎草本属；产于墨西哥；有时归入石蒜科植物的一个科。

Miscamthus floridulus, Arundo donaxl, Artemisia argyi, Comnyza Canadensis, Crotalaris mucronata, and Kummerowia striata, are pioneer plants for vegetation recovery in coal piles. They have high summed dominance ratio and take crucial action on vegetation recovery and community succession. Many pioneer plants including annual and perennial herbs, e.g. Imperata cylindrical, Comnyza Canadensis, and Crotalaris mucronata colonize successfully to provide conditions for colonization of shrubs, e.g. Buddleja asiatica.

耐贫瘠、广布性植物如五节芒、荻芦竹、艾蒿、小飞蓬及豆科杂草猪屎豆、鸡眼草等是煤矸石堆植被恢复重建的先锋植物，它们在群落中综合优势比较大，对植被重建和群落演替起决定性作用；许多一年或多年生草本植物，如白茅、小飞蓬、猪屎豆等先锋植物的成功定居，为驳骨丹等灌木的入侵创造了条件。

The main outputs were validation of the suitability of perennial species for the project area including citrus, pineapple, macadamia, bananas, and palm hearts (Bactris gasipaes Viable cropping systems and sequences were identified.

主要产出的项目区为多年生树种适宜性的验证（包括柑橘，菠萝，坚果，香蕉，棕榈心）可行的种植制度和序列进行了鉴定。

Any of several perennial North American herbs of the genus Chelone, especially C. glabra, having a white or pink bilabiate corolla with a bearded lower lip.

龟头花几种产于北美洲的龟花属的多年生草木植物的一种，尤指龟头花，花冠呈白色或粉红色，下部呈披针形

Hairy perennial with yellow flower heads in branched clusters; found almost everywhere in dry places from Canada to west central and western United States; sometimes placed in genus Chrysopsis.

有毛的多年生植物，有黄色的头状花序；遍及加拿大到美国中西部和西部的干燥地区；有时归入金菊属。

Small cormous perennial grown for its low rosette of succulent foliage and racemes of pink-tinged white flowers; eastern North America.

长有球茎的小型多年生植物，玫瑰花形，多汁的叶片和花序以及略带粉红的白花；分布于北美东部。

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。