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THIS PAGE IS NO LONGER UPDATED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 SPIRAEA
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1.
Inflorescence generally wider than long, ± flat-topped; leaf glabrous to sparsely hairy, surfaces similar; sepals spreading to erect
S. densiflora
1'
Inflorescence longer than wide, not flat-topped; leaf tomentose and lighter below; sepals mostly soon reflexed
S. douglasii
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