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THIS PAGE IS NO LONGER UPDATED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 PHOLISTOMA
N.B.: couplets are linked, e.g., 1. is linked to 1'.
1.
Calyx sinus appendages 0; calyx rotate below mature fruit
P. membranaceum
1'
Calyx sinus appendages present; calyx enclosing mature fruit
2.
Petiole narrowly winged; style 1–3 mm
P. racemosum
2'
Petiole widely winged; style 4–8 mm
P. auritum
3.
Corolla < 1 cm wide
var. arizonicum
3'
Corolla 1–3 cm wide
var. auritum
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