The Jepson Manual: Higher Plants of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


Key to SENNA

N.B.: couplets are linked, e.g., 1. is linked to 1'.

  1. Leaflets 2–4 pairs
 
    2. Stem, leaves ± glabrous; leaflets not close, not overlapped, 4–6 mm, exceeded by main leaf axis
S. armata
    2' Stem, leaves densely white-hairy; leaflets close, overlapped, 1–2.5 cm, not exceeded by main leaf axis
S. covesii
  1' Leaflets 6–10(18) pairs
 
    3. Stipules large, conspicuous, generally persistent; unopened flowers enveloped in large, dark-colored bracts; fruit flat, dehiscent
S. didymobotrya
    3' Stipules small, inconspicuous, ephemeral; unopened flowers not enveloped in bracts; fruit not flat, indehiscent
S. multiglandulosa


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