Key to Campanula

View taxon page for Campanula

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

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

1. Annual, in dry places

2. Leaf oblong-ovate; ovary obovoid to spheric ..... C. angustiflora

2' Leaf ± 

linear 

Elongate, with nearly parallel sides; narrower than elliptic or oblong.

or 

lanceolate 

Narrowly elongate, widest in the basal half, often tapered to an acute tip.

; ovary 

oblong 

Longer than wide, with nearly parallel sides; wider than linear.

3. Corolla < 4 mm ..... C. griffinii

3' Corolla > 7 mm

4. Upper leaves, bracts ± linear; ovary (hypanthium surface) hairy but not 

papillate 

Pertaining to a surface (e.g., of a leaf, stigma, fruit) bearing small, rounded or conic protuberances (papillae).

..... C. exigua

4' Upper leaves, bracts widely lanceolate; ovary papillate ..... C. sharsmithiae

1' Perennial herb, in dry places or not

5. Style >> corolla, well 

exserted 

Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla).

..... C. scouleri

5' Style <= corolla, not exserted

6. Plant hairy throughout

7. Leaf ± 30 mm, 

entire 

Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).

..... C. scabrella

7' Leaf 6–7 mm, with few large teeth ..... C. shetleri

6' Plant hairs 0 or only on 

leaf 

Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets).

 margins, stem angles, sepals

8. Leaf margin entire; cauline leaf 30–60 mm ..... C. rotundifolia

8' Leaf margin ± sharp-toothed or 

crenate 

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

; cauline leaf < 20 mm

9. Leaf 

ovate 

Egg-shaped (i.e., widest below the middle) in two dimensions (i.e., in one plane), as a leaf.

, margin crenate, with 

recurved 

Gradually curved downward or backward.

, stiff hairs; corolla bell-shaped; coastal ..... C. californica

9' Leaf narrowly oblong, margin with few sharp teeth, glabrous; corolla 

funnel-shaped 

Widening from the base more or less gradually through the throat into an ascending, spreading, or recurved limb; often applied to a fused calyx or corolla.

; inland ..... C. wilkinsiana

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