Montanoa hibiscifolia

Species category

Weed

Common name

treedaisy, montanoa, tree daisy

Diagnostic characters

Planting unit

AcheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.

Shape

Triangular and winged

Size

  • Length 10 mm
  • Width 5 mm
  • Thickness 3 mm

Color

Brown

Texture

Smooth with ample veining

Other structures

ApicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
portion has a large, veined, lateral wing with serrated margin.

Identification notes

This acheneAchene:
A dry, hard, one-chambered, one-seeded indehiscent fruit, as in buckwheat (Fagopyrum) or sunflower (Helianthus). The fruit wall is not united with the seed coat.
appears similar to a samaraSamara:
A one-seeded winged fruit. The wing may be on one side as in maples (Acer) or surround the fruit as in elms (Ulmus).
with its winged apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.

Noxious weed seed categories

State Noxious Weed: Hawaii

AOSA examination list

Not included

Nomenclature

Family

Asteraceae

Valid name

Montanoa hibiscifolia (Benth.) Standl.

Synonyms

Montagnaea hibiscifolia Benth.

 Montanoa hibiscifolia.  Achenes with a large, veined, lateral wing with a serrated margin. 
Montanoa hibiscifolia. Achenes with a large, veined, lateral wing with a serrated margin.