Jepson Herbarium
The University and Jepson Herbaria
University of California, Berkeley
Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Parietaria

View taxon page for Parietaria

(For a list of species in Parietaria, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Fruit ± black, tip 
acute 
image missingHaving a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.
; stem becoming woody ..... P. judaica

1' Fruit tan to ± brown or red-brown, tip 
obtuse 
image missingHaving a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle.
; stem herbaceous

2. Leaf 
blade 
image missingExpanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped.
on older stems 
lanceolate 
image missingNarrowly elongate, widest in the basal half, often tapered to an acute tip.
to 
linear 
image missingElongate, with nearly parallel sides; narrower than elliptic or oblong.
, base long-tapered, lowest veins from midrib well above blade base ..... P. pensylvanica

2' Leaf blade round to 
ovate 
image missingEgg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf.
or lanceolate on older stems, base 
truncate 
image missingAbruptly (not gradually) narrower or smaller at base or tip, as if cut straight across or nearly so.
to wedge-shaped, lowest veins from midrib at blade base ..... P. hespera

3. Leaf blade round to ovate on older stems, width = length; calyx 
lobes 
image missing1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.
 
spreading 
image missingOriented more or less perpendicularly to the axis of attachment; often, more or less horizontal.
to 
recurved 
image missingGradually curved downward or backward.
, 
acuminate 
image missingHaving a long-tapered, sharp tip, the sides concave.
..... var. californica

3' Leaf blade ovate to lanceolate on older stems, width < length; calyx lobes 
erect 
image missingUpright; vertically oriented.
, acute or abruptly narrowed below mucronate tip ..... var. hespera

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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