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 XYLORHIZA

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

  1. Herbs or subshrubs; stems generally branched only in the basal half; peduncles 8–22 cm
X. tortifolia var. tortifolia
  1' Shrubs; stems generally branched throughout; peduncles 0–11 cm
 
    2. Younger stems and peduncles glandular; phyllaries loosely appressed, outermost glandular, innermost < immediately preceding series
X. cognata
    2' Younger stems and peduncles glabrous; phyllaries tightly appressed, essentially glabrous; innermost phyllaries = or > immediately preceding series
X. orcuttii


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