Leptochloa chinensis

Species category

Weed

Common name

Chinese sprangletop, red sprangletop, Asian sprangletop

Diagnostic characters

Planting unit

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.

Shape

EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

  • Length 1.2–1.5 mm
  • Width 0.5–0.8 mm
  • Thickness 0.2–0.4 mm

Color

Light brown

Texture

PubescentPubescent:
Having hairs.

Lemma

Short and pubescentPubescent:
Having hairs.

Palea

Short and pubescentPubescent:
Having hairs.

Other structures

Cylindrical rachillaRachilla:
The axis of a spikelet.

Identification notes

CaryopsesCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
are dark brown with striations.

Noxious weed seed categories

State Noxious Weed: California
Federal

Learn more on ITP's Federal Noxious Weed Disseminules tool, listed under Dinebra chinensis.

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Dinebra chinensis P.M. Peterson and N. Snow

Synonyms

Leptochloa chinensis (L.) Nees

 Leptochloa chinensis . Pubescent florets. Photo by Julia Scher, USDA-APHIS-PPQ.
Leptochloa chinensis. Pubescent florets. Photo by Julia Scher, USDA-APHIS-PPQ.
 Leptochloa chinensis.  Dark brown caryopses with striations. Photo by Julia Scher, USDA-APHIS-PPQ.
Leptochloa chinensis. Dark brown caryopses with striations. Photo by Julia Scher, USDA-APHIS-PPQ.
 Leptochloa chinensis.  Spikelets. Photo by Julia Scher, USDA-APHIS-PPQ.
Leptochloa chinensis. Spikelets. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lepthochloa chinensis.  Pubescent florets and a brown caryopsis. Photo by Julia Scher, USDA-APHIS-PPQ.
Lepthochloa chinensis. Pubescent florets and a brown caryopsis. Photo by Julia Scher, USDA-APHIS-PPQ.