粗枝豬毛菜
粗枝豬毛菜 |
中文學名:粗枝豬毛菜 界:植物界 門:被子植物門 綱:單子葉植物綱 目:唇形目 科:黎科 族:野獨活族 屬:豬毛菜屬 |
粗枝豬毛菜,學名 Salsola subcrassa M. Pop.生於平原鹽土荒漠及鹽湖。該種為一年生草本。葉基部下延。花被片無毛,花被果時(含翅)莖12-18毫米;柱頭比花柱短或近等長。生平原荒漠鹽漬化土壤上。因未見標本,附記於此。 [1]
目錄
粗枝豬毛菜形態特徵
一年生草本,高15-40厘米。莖基部分枝,枝粗壯,直立或斜伸,莖、枝下部生長稀疏柔毛,疏柔毛後期脫落,上部生短柔毛或近無毛。
葉肉質,半圓柱形,長1-2厘米,寬2-2.5毫米,綠色或黃綠色,頂端鈍,基部邊緣膜質,淡黃色,沿莖下延,無毛或下部的葉有稀疏的柔毛。花單生葉腋,排於枝上部或全枝,形成穗狀花序;小苞片卵形,邊緣膜質,比苞片,比花被短;花被片披針形,膜質,無毛,果時自背面中部持翅;翅倒卵形,2翅較小,膜質,淡紫紅色或紅色;花被果時變硬,在翅以上的上部膜質,向外反折成星狀;化藥頂端有卵形泡狀附屬物;花柱極短,柱頭鑽狀絲形,長為花柱的3-4倍。
果實直徑(包括翅)10-15毫米,種子橫生。花期8月,果期8-10月。
Herbs annual, 15-40 cm tall. Stem branched from base; lower branches elongate, stout, sparsely pilose below, pubescent or subglabrous above. Leaves yellow-green, semiterete, 1-2 cm × 1.5-2.5 mm, glabrous, margin membranous at base, decurrent, apex obtuse; lower leaves sometimes sparsely villous. Inflorescence spikelike; flowers solitary; bracts ovate, longer than bractlets; bractlets ovate, shorter than perianth, margin membranous. Perianth (including wings) 10-15 mm in diam. in fruit; segments lanceolate, membranous, abaxially winged from middle in fruit, glabrous; portion of segment above wing reflexed, with others appearing starlike, apex membranous; wings obovate. Anther appendage shortly stalked, white, shorter than anther. Stigmas subulate-filiform, 3-4 × as long as style. Seed horizontal. Fl. Aug-Sep, fr. Sep-Oct.
粗枝豬毛菜生長環境
生於平原鹽土荒漠及鹽湖邊。