Micromorphology and fatty acid composition of the cypselae of Xeranthemum cylindraceum Sm. (Asteraceae, Cardueae)
作者: Gavrilović M de Oliveira AFM Barbosa MO Garcia-Jacas N Susanna A Marin PD & Janaćković P
刊名: Botanica Serbica, 2018, Vol.42 (2)
来源数据库: Faculty of Biology, University of Belgrade
DOI: 10.5281/zenodo.1468350
关键词: XeranthemumCardueaeMicromorphologyFatty acids
原始语种摘要: The paper presents micromorphology of the cypselae of Xeranthemum cylindraceum as revealed by scanning electron microscopy (SEM) and their fatty acid composition as determined on a gas chromatograph coupled with a flame ionisation detector (GC-FID). The cypselae are densely hairy, straight, ribbed, narrowly obconical to obovoid. Micromorphological features are as follows: striate-rugose surface; adaxial detachment area; asymmetrical carpopodium; presence of nonglandular, shortly forked twin hairs; and absence of a pericarp crown. The pappus is paleaceous, homomorphic, uniseriate, persistent, and with several wide, scarious, subulate, and apically pinnulate bristles of variable length. Out of 12 fatty acids detected, nine (88.57%) are identified, ranging from palmitoleic (C16:1) to behenic...
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  • fatty 脂肪的
  • scarious 干膜质的
  • subulate 锥形的
  • adaxial 向轴的
  • narrowly 狭窄地
  • obovoid 倒形卵形
  • carpopodium 心皮柄
  • uniseriate 单列的
  • predominant 优势
  • nonglandular 非腺性的