知母薤檢視原始碼討論檢視歷史
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中文名:知母薤 拉丁學名:Allium caesium Schrenk 界:植物界 門:被子植物門 綱:單子葉植物綱 目:百合目 科:百合科 屬:蔥屬 種:知母薤 |
知母薤(zhī mǔ xiè)，學名：Allium caesium Schrenk，異名：Allium renardii Allium urceolatum ，是百合科、蔥屬植物。葉稍短到稍長於花葶。分布於中國新疆北部和西部。 [1]
知母薤形態特徵
鱗莖單生，卵球形球狀，直徑1-1.5厘米，在基部淺灰棕色或紫色球狀；鱗莖灰色，近革質到紙質。葉2或3，稍短到稍長於花葶，寬1-3毫米，半圓柱狀，有時有瘺管，正面溝道，粗糙具小齒，很少近光滑。
花葶15-65厘米，粗糙具小齒或很少近光滑，其長度的1/4-1/2被葉鞘覆蓋。佛焰苞宿存。傘形花序半球形到球狀，密被多花，有時具一些小鱗莖，具小鱗莖。
花梗等長，2-3（-5）倍於花被，具小苞片。花被湛藍，很少白色；裂片具深色中脈，長圓形到長圓狀披針形，等長，4-6毫米，先端近鈍；內部的稍寬於外部。
花絲3/4倍等長花被片，基部合生並與花被片貼生；外部花絲狹三角形；內部花絲加寬約為其長度的2/3，2倍於外部的寬，每邊有1鈍齒。花柱稍外露。 花期 以及果期5月6月。
Allium renardii Regel; A. urceolatum Regel.
Bulb solitary, ovoid-globose, 1--1.5 cm in diam., with grayish brown or violet bulbels at base; tunic gray, subleathery to papery. Leaves 2 or 3, slightly shorter to slightly longer than scape, 1--3 mm wide, semiterete, sometimes fistulose, adaxially channeled, scabrous-denticulate, rarely subsmooth.
Scape 15--65 cm, scabrous-denticulate or rarely subsmooth, covered with leaf sheaths for 1/4--1/2 its length. Spathe persistent. Umbel hemispheric to globose, densely many flowered, sometimes with a few bulblets, never with bulblets only.
Pedicels equal, 2--3(--5) × as long as perianth, bracteolate. Perianth azure, rarely white; segments with darker midvein, oblong to oblong-lanceolate, equal, 4--6 mm, apex subobtuse; inner ones slightly wider than outer.
Filaments 3/4 as long as to equaling perianth segments, connate at base and adnate to perianth segments; outer ones narrowly triangular; inner ones broadened for ca. 2/3 their length, to 2 × as wide as outer ones, with 1 obtuse tooth on each side. Style slightly exserted. Fl. and fr. May--Jun. 2 n = 16, 32.
Deserts, dry pastures; 700--2000 m. N and W Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan].
知母薤分布範圍
分布於中國新疆北部和西部。