black stem

noun

, Plant Pathology.

1. a disease of plants, characterized by blackened stems and defoliation, caused by any of several fungi, as Ascochyta imperfecta or Mycosphaerella lethalis.

Example Sentences

Ben could make out the black stem line of a jutting flintlock.

From Project Gutenberg

A large tree fern, growing from ten to forty feet high, with a slender black stem, and dark green fronds silvery underneath.

From Project Gutenberg

I noticed two varieties of the maiden-hair, its slender black stem making the most exquisite tracery among the vivid greens.

From Project Gutenberg

A strong, black stem with bright green leaves is apt to look crude and hard.

From Project Gutenberg

This is due to the coal-black stem, which gives to a palm tree shorn of its head the look of a tumble-down smoke-grimed chimney.

From Project Gutenberg