長萼亞麻檢視原始碼討論檢視歷史
長萼亞麻 |
中文學名:長萼亞麻 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:亞麻目 科:亞麻科 屬:亞麻屬 種:長萼亞麻 |
長萼亞麻,一年生草本,高10-30厘米。分布於新疆西部和西南部。生於沙質或砂礫質河灘、平原荒漠或低山草原。中亞各國和哈薩克斯坦有分布。採收和儲藏:夏季可採收,洗淨,鮮用或曬乾。 [1]
長萼亞麻形態特徵
一年生草本,高10-30厘米。根為直根,灰白色,纖細。莖單一,直立,光滑或被星散柔毛,中部以上假二叉狀分枝,或莖多數而基部仰臥。
葉互生或散生,無柄;葉片狹披針形,長10-15毫米,寬1-2毫米,先端漸尖成芒狀或鈍,兩面幾無毛,邊緣具微牙齒,1脈。
花單生葉腋或與葉對生,有時散生莖上,常在莖上部集為聚傘狀;花多數;苞片與葉同型,稍短;花梗與葉片近等長或稍短,直立;萼片披針形,長4-6毫米,寬1-1.5毫米,長於蒴果近兩倍,具一條凸起的中脈,下部邊緣具腺毛;
花瓣黃色,倒長卵形,長6-8毫米,寬約2毫米,先端鈍圓,基部漸狹成爪;雌、雄蕊同長。
蒴果圓卵形,黃褐色,長2-3毫米,寬約1.5毫米。種子卵狀橢圓形,長約1毫米,亮黃褐色,光滑。花期5-6月,果期6-7月 。[2]
Linum corymbulosum Reichb. Fl. Germ. Excurs. 834. 1832; Juz. in Schischk. et Bobr. Fl. URSS, 14: 128. 1949; И. И. РолДУЗИН В Лолов, ФЛ. Казахст. 6: 28. 1963.
Annuals 10-30 cm tall. Taproot pale, slender. Stems simple, erect, glabrous or sparsely pubescent, corymbosely branched apically from middle or sometimes branched at base and decumbent. Leaves alternate, narrowly lanceolate, 1-1.5 cm × 1-2 mm, nearly glabrous, 1-veined from base, margin slightly denticulate, apex acuminate to obtuse. Flowers axillary or opposite a leaf, solitary or in broad cymes, homostylous. Pedicel subequaling leaves or slightly shorter, erect. Sepals lanceolate, 4-6 × 1-1.5 mm, 2 × as long as capsules, 1-veined, basal margin glandular-ciliate. Petals yellow, long obovate, 6-8 × ca. 2 mm, base gradually narrowed into claw, apex obtuse. Capsule pale yellowish brown, globose-ovoid, 2-3 × ca. 1.5 mm. Seeds pale yellowish brown, elliptic, ca. 1 mm. Fl. Jun-Aug, fr. Jul-Oct. 2n = 18.
Sandy and gravelly floodplains, flat areas in deserts or on low mountains. Xinjiang [Afghanistan, Kazakhstan, Pakistan, Russia; N Africa, SW Asia, Europe].
長萼亞麻生長環境
生長於沙質或砂礫質河灘、平原荒漠或低山草原。