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Harrisia martinii

Species category

Weed

Common name

mooncactus

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

D-shaped

Size

  • Length 1.8–2.8 mm
  • Width 1.8–2.8 mm
  • Thickness 0.8–1 mm

Color

Black or brown

Texture

GlandularGlandular:
The surface appearing to be covered with minute glands or spheres.

Other structures

Large collar around a depressed hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).

Identification notes

Large rib around the apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
 half of the seed margin.

Noxious weed seed categories

State Noxious Weed: Hawaii

AOSA examination list

Not included

Nomenclature

Family

Cactaceae

Valid name

Harrisia martinii (Labour.) Britton

Synonyms

Cereus martinii Labour.
Eriocereus martinii (Labour.) Riccob.

Harrisia martinii . Seeds with a large rib around the apical half of the seed margin.
Harrisia martinii. Seeds with a large rib around the apical half of the seed margin.
Harrisia martinii. Seeds with a large collar around a depressed hilum.
Harrisia martinii. Seeds with a large collar around a depressed hilum.