Key to Erodium

View taxon page for Erodium

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

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

1. Basal, lower cauline leaves pinnately compound, leaflets lobed to deeply dissected

2. Pits at top of mericarp without glands ..... E. cicutarium

2' Pits at top of mericarp with glands ..... E. moschatum

1' Basal, lower cauline leaves 

crenate 

Pertaining to margins with shallow, rounded teeth, between which are usually acute sinuses (i.e., scalloped)

to pinnately lobed to dissected, 

lobes 

1. 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.

or segments lobed to dissected, especially 

basal 

At or near the base of a plant or plant part. Especially said of leaves clustered near the ground or of a placenta confined to the base of an ovary.

pair

3. Pits at top of mericarp with glands ..... E. malacoides

3' Pits at top of mericarp 0 or without glands

4. Sepals with glands, 

spreading 

Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal.

 hairs

5. Mericarp top with pits 0 or transversely narrow and inconspicuous, subtended by (2)3–4 glabrous ridges ..... E. botrys

5' Mericarp top with pits ± round, subtended by 1–2 ± hairy ridges ..... E. brachycarpum

4' Sepal without glands, with 

appressed 

Parallel or nearly parallel to and often in contact with surface of origin; used to describe the disposition of hairs, leaves, pedicels, etc.

hairs

6. Sepal hairs directed basally; petals < 0.8 cm ..... [E. cygnorum]

6' Sepal hairs directed apically; petals generally 0.7–1.5 cm ..... E. texanum

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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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