Tuesday, December 29, 2015

Japanese Stilt Grass

Microstegium vimineum ( Japanese Stiltgrass )
An annual weed reaching a maximum height of 3.3 feet through often much shorter ( especially in cut lawns ). It is native to far eastern Russia and Japan; south to India and Indonesia.
The leaf blades are up to 4 x 0.6 inches in size. The foliage is bright green.
The seed spikes, up to 2.8 inches long, ripen during early to mid autumn.

* photos taken on Aug 11 2015 in Columbia, MD

* lawn infestation taken on Aug 11 2015 in Columbia, MD

* photos taken on Sep 19 2015 in Columbia, MD

* photos taken on Aug 12 2016 in Howard Co., MD


Oplismenus hirtellus ( Wavyleaf Basketgrass )
A perennial weed, reaching up to 2 feet in height, that is native to woodland from northern India to southeastern China. The lance-shaped leaf blades are up to 6 x 1.2 inches in size.
The seed spikelets ripen late summer to mid-autumn.

* photos taken on Aug 13 2016 in Reisterstown, MD

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