Contemporary Circumscription Compared with A Utah Flora 4th ed.
Bio430
Convolvulaceae
The parasitic genus Cuscuta is recognized in its own family, Cuscutaceae, in A Utah Flora, yet phylogenetically belongs within Convolvulaceae.
Key Features
Usually twining vines with somewhat milky sap; flowers funnelform, convolute in bud, with petals fused all the way to the tips (unlobed). Cotyledons corrugated (folded) in bud.
IMG_6619_mod21.jpg
N17_6345_mod21.jpg
Convolvulus leaf with latex at cut stem apex
N17_5464_flwrSide_mod21.jpg
The root portion shown here, with new shoots growing from top, was taken about 10 inches deep in the soil.
Convolulus arvensis - sepals free to base
Covolvulus arvensis showing superior ovary with orange nectary and two lobed stigma
N17_5462_closeupside_mod21.jpg
N17_5460_mod21.jpg
Convolvulus arvensis showning fused ovary of 2 carpels
DSC_0209_mod21.jpg
DSC_5742_mod21.jpg
A few Convolvulaceae have 3 carpels (here showing 2 seeds per carpel). The corrugated cotyledons are clearly visible.
N17_1633_mod21.jpg
Cuscuta is a parasitic genus of Covolvulaceae
N17_1631_mod21.jpg
N17_1633_mod21.jpg
Convolvulacae1.png
Convolvulacae2.png
Convolvulacae3.png
Convolvulacae4.png