Plant Profile: Urochloa platyphylla

Taxonomy: Urochloa platyphylla

Names

Broad-leaf Liverseed Grass, Broadleaf Signalgrass, Broadleaf Signal Grass

  • Photo of Urochloa platyphylla (Urochloa platyphyllas)

Phonetic Spelling:

Genus:Urochloa

Species:platyphylla

Family:Poaceae

Broadleaf signalgrass is an annual weed that belongs to the Poaceae family, known for its ornamental qualities. This warm-season grass thrives and flowers from May to October, often found in locations such as roadsides, disturbed sites, agricultural fields, and ditches, favoring loamy to sandy soil types.

In terms of pests and diseases, this grass can exhibit resistance to herbicides, making it challenging to control.

Urochloa platyphylla Feature Summary

Urochloa platyphylla Image Gallery

Tags

#weedy
#NC native
#warm-season grass
#disturbed areas
#native ornamental grass
#warm season weed

Similar Plants

Urochloa platyphylla Feature Summary

Attributes
Southern and central U.S.A., Cuba, South America
Flowers
Blooms from May-October
Spring
Summer
Fall
Leaves
Sheathing wide linear leaves with hairs on sheath, blades are smooth. Ligule has fringe of hairs. Leave blades can have a bit of burdangy color.
Green
Red/Burgundy
Simple
Sheath
Whole Plant Traits
Annual
Native Plant
Weed
Ornamental Grasses and Sedges
Cultural Conditions
Loam (Silt)
Sand
Landscape

Urochloa platyphylla Attributes

Urochloa platyphylla: Country Or Region Of Origin

Southern and central U.S.A., Cuba, South America

Urochloa platyphylla: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Urochloa platyphylla Flowers

Urochloa platyphylla: Flower Description

Blooms from May-October

Urochloa platyphylla: Flower Bloom Time

Winter
Spring
Summer
Fall

Urochloa platyphylla Leaves

Urochloa platyphylla: Leaf Description

Sheathing wide linear leaves with hairs on sheath, blades are smooth. Ligule has fringe of hairs. Leave blades can have a bit of burdangy color.

Urochloa platyphylla: Leaf Color

spa
Green
spa
Red/Burgundy

Urochloa platyphylla: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Urochloa platyphylla: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Urochloa platyphylla: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Urochloa platyphylla: Hairs Present

No
Yes

Urochloa platyphylla Whole Plant Traits

Urochloa platyphylla: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Urochloa platyphylla Cultural Conditions

Urochloa platyphylla: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Urochloa platyphylla: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Urochloa platyphylla Stem

Urochloa platyphylla: Stem Is Aromatic

No
Yes

Urochloa platyphylla Landscape

Urochloa platyphylla: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy