En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
Not Yet Rated

Sunday - August 19, 2012

From: Gage, OK
Region: Southwest
Topic: General Botany, Vines
Title: How to distinguish male and female grape vines in Gage OK.
Answered by: Jimmy Mills

QUESTION:

Are there male and female plants for wild grapes? If so, how do we tell the difference?

ANSWER:


Grapes are in the genus Vitis in the family Vitaceae, and there are numerous species and varieties of grapes grown in the United States. This link to okwildcrafting.com indicates at least 11 species growing in Oklahoma with the species Vitis acerfolia occurring in Ellis County.

Lets clear up a little terminology before we continue. If a plant species has flowers that contain both pistils and stamens, the flower is termed perfect, and the condition is termed monoecious (or hermaphrodite in some cases). In many cases the flowers can self pollinate. If a species have pistillate (female) flowers  on one plant and staminate (male) flowers on another, the condition is termed dioecious. In this situation you would need “male plants” and “female plants” in order to produce grapes.

A widespread species of wild grape is Vitis mustangensis (Mustang grape). Looking through this link to plantsforafuture.org, we find that the mustang grape is considered monoecious (both male and female flowers on the same plant).

If you look through this article from AgriLife Extension you will find this statement
“Wild grapevines, rootstocks (and a few cultivated varieties such as St. Pepin) have either pistillate (female) or staminate male flowers -- that is, the entire vine is either male or female. Vines with female, pistillate flowers need nearby vines with staminate or perfect flowers to produce fruit. The majority of commercial grapevine varieties have perfect flowers, that is, both male and female components.”
 
So the situation isn't as simple as one would like. The answer to the question then is to look at the flowers, and the AgriLife Extension article has some pretty decent photos of perfect flowers. When you examine the flowers from your vines, look for the stamens and the pistils;if they are both present, you have a perfect flower; if the stamens are missing, you have a female flower and thus a female plant. It may have produced grapes last spring. If you find stamens and no pistil you have a male. You will need a magnifying glass, or hand lens, to do your examination.

For some help closer to home, you msy want to contact the folks at the Eiils County office of Oklahoma Cooperative Extension Service.

 

More General Botany Questions

Smarty Plants on science projects
October 24, 2005 - Hello, i am a 6th grade student at a middle school in GA. I am doing a science project and my question is, "Does music affect plant growth?" Is there a plant that would work best for me to experiment...
view the full question and answer

Possible reasons for yellow heads for Indian Blanket
December 13, 2005 - I had Indian Blanket flowers that had almost pure yellow heads. Will the seeds of these flowers produce plants that will have yellow flowers?
view the full question and answer

Smarty Plants on forbs
October 16, 2005 - What kind of plant is a forb? I see the term used frequently in reference to grasses (I think), but I can't figure out exactly what a forb is.
view the full question and answer

Consequences of leaving geranium in dark room
December 18, 2005 - What would happen to a geranium plant that was left to grow in a dark room for many days?
view the full question and answer

Growth on top of Echinacea purpurea (Eastern purple coneflower)
July 03, 2012 - I grow purple coneflowers in my garden. ONE plant has something growing on the top of each cone. I would like to know what it is but I don't see how I can add a photo to this post.
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center