散枝豬毛菜
| 散枝豬毛菜 |
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中文學名:散枝豬毛菜 拉丁學名:Salsola brachiata Pall 界:植物界 門:被子植物門 Angiospermae 綱:雙子葉植物綱 Dicotyledoneae 亞 綱:原始花被亞綱 Archichlamydeae 目:中央種子目 Centrospermae 科:藜科 Chenopodiaceae 亞 科:螺胚亞科 Spirolobeae 族:豬毛菜族 Salsoleae 屬:豬毛菜屬 Salsola 蒙古也有。 |
枝豬毛菜（學名：Salsola brachiata），為藜科豬毛菜屬下的一個植物種。 [1]
目錄
散枝豬毛菜形態特徵
散枝豬毛菜，一年生草本，高10-30厘米；莖直立，自基部分枝；枝對生，有時上部的枝為互生，枝條伸展，細而堅硬，密生短柔毛及稀疏的、有關節而直立的長毛。
葉對生，葉片半圓柱狀，長1.5-2厘米，寬2-2.5毫米，密生短柔毛及稀疏的長毛，頂端有小短尖，基部稍擴展，不下延。
花序穗狀，生於枝條的上部；苞片葉狀，基部擴展，長於小苞片；小苞片寬披針形，頂端尖，基部有寬的膜質邊緣，苞片及小苞片均密生短柔毛及稀疏的長毛；花被片狹披針形，密生短柔毛，邊緣膜質，果時變硬，自背面中下部生翅；翅3個為腎形，膜質，黃褐色或紫褐色，有多數細而密集的脈，2個較小，倒卵形，花被果時（包括翅）直徑10-13毫米；花被片在翅以上部分，狹披針形，近革質，密生短柔毛，向中央聚集形成細長的圓錐體；花葯附屬物匙狀；花柱極短；柱頭鑽狀，長為花柱的7-8倍。
種子直立。花期7-8月，果期9-10月。
Herbs annual, 10-30 cm tall. Stem erect, branched from base; branches opposite, sometimes upper ones alternate; branchlets spreading, thin, hard, densely pubescent mixed with sparse, long, jointed hairs. Leaves opposite, semiterete, 1.5-2 cm × 2-2.5 mm, densely pubescent mixed with sparse, long hairs, base slightly expanded, not decurrent, apex mucronate. Inflorescence spikelike; bracts leaflike, longer than bractlets, base expanded; bractlets broadly lanceolate, densely pubescent mixed with sparse, long hairs, margin broadly membranous at base, apex acute. Perianth (including wings) 10-13 mm in diam. in fruit; segments narrowly lanceolate, hardened in fruit, abaxially winged from proximal middle part, densely pubescent, margin membranous; portion of segment above wing connivent with others into a long, thin cone, narrowly lanceolate, subleathery, densely pubescent; 3 wings yellow-brown or purple-brown, reniform; other 2 wings obovate, smaller. Anther appendage cochleate. Style very short; stigmas subulate, 7-8 × as long as style. Seed vertical. Fl. Jul-Aug, fr. Sep-Oct.
散枝豬毛菜生長環境
物種生於戈壁灘，山麓及山溝。