The Jepson Manual: Higher Plants of California
THIS PAGE IS NO LONGER UPDATED
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Up-to-date information about California vascular plants is available from the
Jepson eFlora
.
Names are linked to treatments from the Manual
Key to AGERATINA
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1.
Heads generally solitary (rarely 23)
A. shastensis
1'
Heads clustered
2.
Leaves generally alternate; heads 810 mm
A. occidentalis
2'
Leaves opposite; heads 68 mm
3.
Leaf blade generally 40100 mm; petiole generally 2040 mm
A. adenophora
3'
Leaf blade generally 1555 mm; petiole generally 510 mm
A. herbacea
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