Native Plants
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.
Did you know you can access the Native Plant Information Network with your web-enabled smartphone?
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
rate this answer
Saturday - January 10, 2015
From: Missoula, MT
Region: Rocky Mountain
Topic: General Botany, Herbs/Forbs
Title: Information about Erigeron annuus and Erigeron philadelphicus
Answered by: Nan Hampton
QUESTION:
Hi! I am looking for information about the specific leaf area of Erigeron annuus and Erigeron philadelphicus. Do you know of anyone who is working with any these species, who might be able to provide this information? I have done an exhaustive literature search and can't find the information published anywhere. Thanks so much. LaurenANSWER:
If you are looking for leaf dimensions there are leaf descriptions from Flora of North America of Erigeron annuus and Erigeron philadelphicus that give leaf dimensions. You would then have to calculate the area. Here are several methods for doing that:
Surface Area of a Leaf Teacher Sheet from AAAS Science NetLinks.
Are you looking for information on calculations of the Leaf Area Index of Erigeron annuus (Daisy fleabane) and Erigeron philadelphicus (Philadelphia fleabane)? If so, I did find the following citations/abstracts of articles that might be useful to you:
Abstract of: Lee, Ho-Joon. 1992. Germanition (sic), shade toarance (sic) and community characteristics on Erigeron annuus L. in Cheju. Korean Journal of Ecology. 01/1992: 15(2).
If neither of these is what you're looking for, please send Mr. Smarty Plants another question with clarification.
More Herbs/Forbs Questions
Care for an orchid
August 31, 2008 - I have another question. How do I care for an orchard. I have had it close to a year and it hasn't grown. How much water do they take.
view the full question and answer
Euphorbia 'Cherokee' leaves drying from Benson AZ
October 24, 2012 - I have a Euphorbia 'Cherokee' in a pot and has been growing nicely but some of the leaves are turning red and drying up and falling off. Is this normal for this plant?
view the full question and answer
Shade tolerant plants for erosion from Austin
May 03, 2014 - I live in Austin and my house backs up to Shoal Creek. I am looking for a native creeping vine or something that will grow on the shaded bank to help prevent erosion. It should be able to tolerate the...
view the full question and answer
Effects of Hedysarum mackenzii from Pflugerville TX
May 08, 2013 - What are the effects of Hedysarum mackenzii?
view the full question and answer
Why do conifers kill Texas hummingbird sage from Gray GA
April 15, 2014 - Why do conifers kill Texas hummingbird sage?
view the full question and answer
Support the Wildflower Center by Donating Online or Becoming a Member today. |