Convolvulaceae

From Academic Kids

Bindweed family
Missing image
Ipomoea.imperati1web.jpg
Ipomoza imperati


Ipomoea imperati
Scientific classification
Kingdom:Plantae
Division:Magnoliophyta
Class:Magnoliopsida
Order:Solanales
Family:Convolvulaceae
Genera

See text

The Convolvulaceae, the bindweed or morning glory family, is a group of about 60 genera and more than 1,650 species of mostly herbaceous vines, but also trees, shrubs and herbs.

Contents

Description

They can easily be recognized by their funnel-shaped radially symmetrical flowers. These have 5 sepals, a corolla of 5 united petals and 5 stamens. The flowers are hypogynous (= having a superior ovary). The stem of these plants is usually winding, hence its Latin name (convolvere = to wind). The leaves are simple and alternate, without stipules. The fruit is a capsule with 1 to 4 seeds (sometimes even more), or a berry or a nut.

The leaves and starchy tuberous roots of some species are used as foodstuffs (e.g. sweet potato and water spinach), and the seeds are exploited for their medicinal value as purgatives. Some species contain ergoline alkaloids that are likely involved their activity as psychedelic drugs (e.g. ololiuhqui).

Members of the family are well known as showy garden plants (e.g. morning glory) and as troublesome weeds (e.g. bindweed).

Tribes

According to the study of D.F. Austin (see Reference) the family Convolvulaceae can be classified in the following tribes:

  • Ericybeae
  • Cressea
  • Convolvuleae
  • Merremioids
  • Ipomoeae
  • Argyreiae
  • Poraneae
  • Dichondreae
  • Cuscuteae (sometimes classified as a separate family Cuscutaceae).

Genera

Reference

  • Austin, D. F. (1973) The American Erycibeae (Convolvulaceae): Maripa, Dicranostyles, and Lysiostyles I. Systematics. Ann. Missouri Bot. Gard. 60: 306-412.

External links

de:Windengewächse eo:Konvolvulacoj fr:Convolvulaceae nl:Windefamilie pl:powojowate zh:旋花科

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