Scientific Name:	Digitaria ischaemum
Pronunciation:	dij-ih-TARE-ree-uh IS-kay-mum
Common Name:	smooth crabgrass
Family Name:	Poaceae
Plant Type:	Annual, Poales (grass-like), Weed (horticultural)
Key ID Features:	Leaf vernation rolled, blades dull green to purplish, 2- 6 mm wide, lacking hairs (trichomes) except sometimes in collar area, rough textured, tips sharp-pointed…sheaths mostly closed, compressed, smooth…auricles absent…collar with long trichomes…ligule 2-3 mm tall, frayed or wavy edged…rhizomes absent (annual)…prostrate or ascending habit.
Course(s):	not used (on campus)

Habit: Spreading Form: Vase Texture: Coarse Mature Size: Height: < 0.1m Spread: 0.1 - 0.3m Growth Rate: Fast Origin: Hardiness Rating: Zone 4: (-34 to -29 C) Exposure: Soil/ Growing Medium: Landscape Uses: Additional Info: Google

Leaf Morphology: Form: Grass-like Arrangement: Alternate Texture/ Venation: Soft flexible Surfaces: Pubescent Leaf(let) Terms: Shapes: Linear Apices: Acute Bases: Sheathing Margins: Entire Additional Info: Rolled in the bud; leaves to 6 mm wide.

Inflorescence Type: Spikelet Flower Morphology: Colour (petals): Not showy, Green Flower Time at Peak: Sep Additional Info: Florets in two rows along axis of long spikelet; 2 to 6 spikelets about 5 cm long arising from a common node.

Fruit Type: Grain (caryopsis) Fruit Colour: Brown Fruiting Time:

Bark or Stem Colour:     Organ Modifications: Fleshy monocot roots, Stems do NOT root at the nodes.

Propagation:	Seed

Location(s): (WDY) WeeDY location : receiving area Location Map

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