Tuberous Indian-plantain (Arnoglossum plantagineum) COSEWIC assessment status report : chapter 3
Species Information
Name and classification
Scientific name:
Arnoglossum plantagineum Raf.
Synonym:
Cacalia plantaginea (Raf.) Shinners
Common name:
tuberous Indian-plantain
Family:
Asteraceae (aster family)
Major plant group:
dicot flowering plant
Description
Tuberous Indian-plantain is a perennial member of the aster family. It has long-stalked, mainly basal, leaves that resemble those of common plantain. The central flowering stalk can reach to 1.8 m and bears a flat-topped flower cluster (Figure 1) of 30-100 white flower heads. Plants flower in June in Ontario with seed dispersal occurring from July to August (Keddy 1988).
Figure 1. Close-up view of several flower heads of tuberous Indian-plantain (courtesy Texas Vascular Plant Image Library, Texas A&M University).
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