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Pittosporum undulatum

Species category

Weed

Common name

Australian cheesewood

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

OvalOval:
Broadly elliptic.
 with indentations

Size

  • Length 2–3 mm
  • Width 2–3 mm
  • Thickness 1.5–1.6 mm

Color

Black with scattered yellow surface material

Texture

Minute reticulations and scattered, yellow surface material

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is an indentation on the margin.

Identification notes

Seed mostly ovalOval:
Broadly elliptic.
 with many irregular modifications. The loose material scattered over the surface is of unknown origin.

Noxious weed seed categories

State Noxious Weed: Hawaii

AOSA examination list

Not included

Nomenclature

Family

Pittosporaceae

Valid name

Pittosporum undulatum Vent.

Pittosporum undulatum. True seeds that are black with scattered yellow surface material. 
Pittosporum undulatum. True seeds that are black with scattered yellow surface material.