The Family Convolvulaceae is known as the “Morning Glory” family, and contains 50-55 genera and about 1600-1700 species. Most are herbaceous climbing/trailing vines, but some are shrubs and trees.

Characteristics of Family Convolvulaceae:

  • Simple, alternate leaves: leaves possess a single, undivided leaf blade at each node
alternate-leaves
Simple, alternate leaf arrangement. Source
  • Flowers: 5-merous actinomorphic (5-point radial symmetry), often bisexual and showy
    • Corolla (petals) fused into a tube
    • Stamen (pollen producing organ) fused to petals
    • Compound pistil composed of 2 or more fused carpals (ovule-bearing female reproductive parts, possibly modified leaves)
    • Sepals: 5 unfused, overlapping sepals (leaf-like, lowermost part of flower that protect flower as a bud)
5meral-symmetry
Convolvulaceae flowers show 5-merous actinomorphic symmetry with fused corolla. Ipomoea alba. Source
  • Herbaceous parts tend to be twining (winding around something)
twining
Stems of Convolvulaceae are often twining. Ipomoea sp. Source
  • Fruits: tend to be capsules (simple, dry fruits that split along pores/sutures to release seeds)
capsule-fruits
Convolvulaceae fruits are often capsules containing seeds. Convolvulus arvensis. Source

Familiar members of the Family Convolvulaceae are Morning Glory and Sweet Potatoes (Genus Ipomoea), Bindweed (Genus Convolvulus), and Dodder (Genus Cuscuta).

Sources:

http://botany.csdl.tamu.edu/FLORA/301Manhart/Dicots/Asteridae/Con/Con.html

http://www.botany.hawaii.edu/faculty/carr/phylo_convolvul.htm

http://courses.washington.edu/bot113/spring/LabExercises/Repromorphhigh.pdf

https://cals.arizona.edu/herbarium/sites/cals.arizona.edu.herbarium/files/old_site/assoc/people/daustin/convolv.html

 

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