Flower, Weed
Madagascar periwinkle
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.
OvalOval:
Broadly elliptic.
Black
Large, irregular ribs covered with fine stipplesStipples:
Numerous small dots or specks.
HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
in the center of the dorsalDorsal:
Upper side or back of a seed or fruit.
side
Some deviations from the ovalOval:
Broadly elliptic. shape are found.
Not listed
Not included
Apocynaceae
Catharanthus roseus (L.) G. Don
Ammocallis rosea (L.) Small
Lochnera rosea (L.) Rchb. ex Spach
Vinca rosea L.
