Althaea officinalis

Species category

Flower, Weed

Common name

common marshmallow

Diagnostic characters

Planting unit

CarpelCarpel:
One section of a compound ovary.

Shape

Discoid (carpelCarpel:
One section of a compound ovary.
).

Reniform (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.
).

Size

  • Length: 3 mm
  • Width: 3 mm
  • Thickness: 1.5 mm

Color

Carpel–brown.

True seed–black.

Texture

CarpelCarpel:
One section of a compound ovary.
outer margin with appressedAppressed:
Pressed close or lying flat against something.
hairs. 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.
glabrous.

Other structures

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.
with a deep hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
of 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.
with pointed remnant of funiculusFuniculus:
The stalk that connects an ovule (seed) to the placenta of the ovary wall.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Malvaceae

Valid name

Althaea officinalis L.

 Althaea officinalis.  Hilum of true seed with a pointed remnant of funiculus.
Althaea officinalis. Hilum of true seed with a pointed remnant of funiculus.