散枝豬毛菜檢視原始碼討論檢視歷史
散枝豬毛菜 |
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]
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。
散枝豬毛菜分布範圍
物種產自新疆北部。蘇聯、蒙古也有。 (資料來源:中國植物志第25(2)卷 )