blackroot

n. = Culver's root

词形变化

blackroots 复数 blackroots

释义与例句

n.
  1. 1.

    Several North American plants with black roots of:

    species Veronicastrum virginicum (Culver's root)

    可数 不可数
  2. 2.

    Several North American plants with black roots of:

    genus Pterocaulon, such as Pterocaulon pycnostachyum (dense-spike blackroot) and Pterocaulon virgatum (wand blackroot)

    可数 不可数
  3. 3.

    Several North American plants with black roots of:

    species Aletris farinosa (colicroot)

    可数 不可数
  4. 4.

    Several plant diseases caused by fungi in the genus Aphanomyces causing that cause roots to rot and turn black.

    可数 不可数

词源

From black + root.

来源：wiktionary