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THIS PAGE IS NO LONGER UPDATED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 HELIOTROPIUM
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1.
Perennial
2.
Stems, leaves not fleshy, soft-hairy; corolla purple
H. amplexicaule
2'
Stems, leaves fleshy, glabrous; corolla white to bluish
H. curassavicum
1'
Annual
3.
Corolla limb 8–12 mm wide; flowers axillary, solitary
H. convolvulaceum var. californicum
3'
Corolla limb 3–5 mm wide; inflorescence with many flowers in terminal coiled spikes
H. europaeum
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