Apiaceae . . . . Carrot family (Umbellifers)


Tend to have compound umbels, with or without bracts, 2 stigmas and alternate or rosette lvs (often pinnate)


Some special examples - based on specific characters


Yellow flowered umbellifers

Bupleurum
Crithmum
Foeniculum
Anethum

Smyrnium
Petroselinum
Pastinaca
Levisticum

Peucedanum
Smyrnium

See also various other plants with near-umbels of yellowish flowers, including:

White flowers - separated based on leaf characters


Tiny plant of boggy areas with white flowers

Other possible similar plants:


Umbellifers with fine leaves


Umbellifers with (nearly) linear leaves or leaflets


White umbellifers with spotted stems

Conium maculatum
Conium maculatum
Chaerophyllum temulum
Chaerophyllum temulum
Hemlock
Hemlock
Rough Chervil
Rough Chervil

Enormous plant: Heracleum mantegazzanium
Conium maculatum
Chaerophyllum temulum

Umbellifers with Palmate (or Ternate) or shortly pinnate and apparently palmate leaves

Simply palmate/ternate



Multi-palmate/ternate


Umbellifers with pinnate leaves


Simply pinnate leaves (1-pinnate)


Similar plants include: Watercress


Apiaceae- umbellifers with 2- or more pinnate leaves

Tiny plants (<10 cm)
Fine/Narrow lf-lets
Small leaflets (parsley-like)
Large leaflets

Apiaceae - tiny (<10cm) Umbellifers with pinnate leaves


Apiaceae - Umbellifers with Multi-pinnate leaves (fine/linear leaflets)


Apiaceae - Umbellifers with Multi-pinnate leaves with small leaflets


Apiaceae- umbellifers with multi-fold pinnate leaves (large leaflets)


Select by fruit shape:


Aegopodium . . . . . Ground-elder or Bishop's-weed or Goutweed

Aegopodium podagraria . . . . . Ground-elder or Bishop's-weed or Goutweed

A persistent garden weed on account of the deep and easily broken rhizomes


Aethusa . . . . . Fool's Parsley

Aethusa cynapium . . . . Fool's Parsley

Note especially the bracteoles hanging from the edges of the flower heads; waste ground


Ammi . . . . . Bullwort

Ammi majus . . . . . . Bullwort

Casual on tips etc.

Anethum . . . . . Dill

Anethum graveolens . . . . . Dill

Similar to Fennel, but with hollow stem and an easily uprooted annual; birdseed alien on waste ground

Angelica . . . . . Angelica


Angelica sylvestris . . . . . Angelica

Can be up to 200 cm tall; lvs triangular in outline

Angelica archangelica . . . . . Garden Angelica

Stems and flowers green not pink


Anthriscus . . . . Chervils


Anthriscus caucalis . . . . . Bur Chervil

Open sandy ground, esp. near the sea in CI, S and E

Anthriscus cerefolium . . . . . Garden Chervil

Grown as a herb in gardens, seeds freely

Anthriscus sylvestris . . . . . Cow Parsley

Abundant throughout BI, but more esp. in the S; stems hollow, early flowering (Apr-Jun); note bracteoles under 2nd umbels but no bracts under 1ary

Apium . . . . . Celery

Apium graveolens . . . . . Wild Celery

Lower leaves broad - upper narrower; smells of celery, solid, ridged stem; usually by the sea N to C Sc

Marshworts ( Helosciadium) were previously in this genus

Astrantia . . . . . Astrantia

Astrantia major . . . . . Astrantia

A garden escape mostly in N & W

Berula . . . . . Water Parsnip

Berula erecta . . . . . Lesser (narrow-leaved) Water-parsnip

Frequent in and by water; leaves with inflated bases

Bunium . . . . . Greater Pignut


Bunium bulbocastanum . . . . Greater Pignut

A rare plant of chalk grassland in the Chilterns some what similar to Conopodium; pics 1 & 2 Roger Horton

Bupleurum . . . . . Hare's-ear


Bupleurum baldense . . . . Small Hare's-ear

V local on fixed dunes in CI, Devon and Sussex

Other spp. of Bupleurum can occur rarely
N.B. Do not confuse with Euphorbias (e.g.):


Chaerophyllum . . . . . Rough Chervil

Chaerophyllum temulum . . . . . Rough Chervil

Common over much of Br but sparce in CI, Ire and N & W Sc; no bracts at base of umbels but broad 2ndry bracteoles

(Fruits pic. from Bluete-Naturspaziergang )

See also Conium maculatum with spotted stems:


Cicuta . . . . . Cowbane

Cicuta virosa . . . . . Cowbane

Very local in ditches and wet areas; highly poisonous


Conium . . . . . Hemlock

Conium maculatum . . . . . Hemlock

A very poisonous sp., can be >3m high; charcteristic straggly 'cone-shaped' plant; common exc. W & C Sc

Similar spotted stems in Chaerophyllum temulum:


Conopodium . . . . . Pignut

Conopodium majus . . . . . Pignut

Woodland and meadows throughout BI

See also Bunium bulbocastanum (Greater pignut)


Coriandrum . . . . Coriander

Coriandrum sativum . . . . . Coriander

Casual of tips and waste places

Crithmum . . . . Sea Samphire

Crithmum maritimum . . . . Sea Samphire

On rocks by the sea, mostly in the S; sometimes eaten as "rock samphire"

Daucus . . . . . Carrot

Daucus carota . . . . . Carrot

On chalky soils and by the sea; can be v. tiny

Compare Seseli libanotis (Moon-carrot)
     


Eryngium . . . . . Sea Holly


Eryngium campestre . . . . . Eryngium

Very local in S & W Br esp. near sea

Eryngium maritimum . . . . . Sea Holly

On beaches in CI and S

Eryngium planum . . . . . Blue Eryngo

Widely planted, occasionally naturalised

Falcaria . . . . . Longleaf

Falcaria vulgaris . . . . Longleaf

Local in CI and S

Foeniculum . . . . . Fennel

Foeniculum vulgare . . . . Fennel

Naturalised near the coast, esp. in the S; similar to Dill but a solid stemmed perennial

Helosciadium . . . . Marshworts

Plants of wet and marshy places

Helosciadium nodiflorum . . . . . Fool's Water-cress

Common by ditches and lakes, exc. C & N Sc

N.B. Berula erecta has toothed leaflets.

Helosciadium inundatum. . . . Lesser Marshwort

A tiny plant; Scattered in bare muddy patches/shallow water

Heracleum . . . . . Hogweed

Heracleum mantegazzanium . . . . . Giant Hogweed

Naturalised as a serious invasive by roads and rivers; NB sap POISONOUS causing blisters from sensitivity to sunlight

Heracleum sphondylium . . . . . Hogweed

Common

There is also a form with v. narrow lvs, while the two spp. can also hybridise:
H.sphondylium x mantegazzanium

Imperatoria . . . . . Masterwort

Imperatoria ostruthium . . . . Masterwort

Naturalised in a few places N Ire and N Br

Levisticum . . . . . Lovage

Levisticum officinale . . . . Lovage

Naturalised as a relic of cultivation

Ligusticum . . . . . Scot's lovage

Ligusticum scoticum . . . . Scot's Lovage

Coasts of Sc and N & W Ire

Meum . . . . . Spignel

Meum athamanticum . . . . . Spignel

Local in the N by wet places

Myrrhis . . . . . Sweet Cicely

Myrrhis odorata . . . . . Sweet Cicely

Has strong smell of aniseed; common in N Britain

Oenanthe . . . . . Water-dropworts

Generally poisonous plants

Oenanthe aquatica . . . . . Fine-leaved Water-dropwort

Scattered in ditches in ponds in S half of Br and Ire

Oenanthe crocata . . . . . Hemlock Water-dropwort

Locally common in wet places, petiole not furrowed on u. side

N.B. Leaves (on Left) very like those of Petroselinum (Parsley - on Right) - though the latter smell of parsley and have a petiole furrowed on u. side:
                 

Oenanthe fistulosa . . . . . Tubular Water-dropwort

Marshes S from C Sc

Oenanthe lachenalii . . . . . Parsley Water-dropwort

Marshes esp. near the sea exc. N & E Sc

A number of other, mostly uncommon spp., including River Water-dropwort (O. fluviatilis), Corky-fruited Water-dropwort (O. piminelloides) and Narrow-leaved Water-dropwort (O. silaifolia).

Pastinaca . . . . . Wild Parsnip

Pastinaca sativa . . . . Wild Parsnip

Frequent in S & C En, occasional in Wales and rare in Sc; NB sap POISONOUS causing blisters from sensitivity to sunlight

Petroselinum . . . . . Garden Parsley

Petroselinum crispum . . . . Garden Parsley

Frequent garden escape; variable lf shape

N.B. Leaves (on Left) very like Oenanthe crocata (Hemlock Water-dropwort - on Right) - though the latter do not smell of parsley and do not have a furrowed petole:
                    

Peucedanum . . . . . Hog's Fennel

Peucedanum officinale . . . . Hog's Fennel

V. local on marshes around Thames estuary; a robust plant >1 m tall with dense bush of lvs with linear branches dividing into 3s many times

P. palustre is now Thyselinium palustre and P. ostruthium is now Imperatoria ostruthium

Pimpinella . . . . . Burnet-saxifrage

Pimpinella major . . . . . Greater Burnet-saxifrage

Grassland and hedgerows concentrated in C En (also Kent, Devon and SW Ire); pic. 1 Colin Hutchinson

Pimpinella saxifraga . . . . . Burnet-saxifrage

Grassland and rocky places (esp. base-rich) exc. N & W Sc

Sanicula . . . . . Sanicle

Sanicula europaea . . . . . Sanicle

Locally common in shady deciduous woods


Scandix . . . . . Shepherd's-needle

Scandix pecten-veneris . . . . . Shepherd's-needle

Rare weed of arble land

Seseli . . . . . Moon Carrot

Seseli libanotis . . . . . Carrot

Very local on chalk in SC or SE En

Compare Daucus carota
   


Silaum . . . . . Pepper saxifrage

Silaum silaus . . . . . Pepper-saxifrage

Rather local in grassy places esp. E & C En

Sison . . . . . Stone parsley

Sison amomum . . . . . Stone Parsley

Rather local in Br S of Manchester, esp. in SE

Smyrnium . . . . . Alexanders

Smyrnium olusatrum . . . . . Alexanders

Early flowering (Mar), fully naturalised and taking over in some places, esp. by the sea in the CI and the S

Smyrnium perfoliatum . . . . . Perfoliate Alexanders

Yellowy upper perfoliate lvs, lower deeply cordate or trifoliate, early flowering (Mar); naturalised in a few places esp. in S Br

Thysselinium . . . . . Milk Parsley (was Peucedanum )

Thysselinium palustre (was Thyselium or Peucedanum) . . . . Milk Parsley

Local, almost entirely in E Anglian fens; hollow stem & the clear bracts below the umbel distinguishes from the rare Cambridge Milk-parsley (Selinum carvifolia) which occurs in Cambs. (photos Roger Horton)

Torilis . . . . . Hedge Parsley

Torilis nodosa . . . . . Knotted Hedge-parsley

Arable and bare ground esp. in S & E

Torilis japonica . . . . . Upright Hedge-parsley

Frequent exc. NW & N Sc

Torilis arvensis . . . . . Spreading Hedge-parsley

T. japonica and has curved, non-hooked spines and 4-6 bracts at base of umbel; T. arvensis has straight, hooked spines and 0-1 bracts, and tends to be <25 cm tall and <5 rays to the umbel; both flower Jul-Aug
Arable weed, casual in SE En

Compare also: Anthriscus

Trinia . . . . . Honewort

Trinia glauca . . . . . Honewort

Local on dry limestone turf in Devon & Somerset; a squat plant with male and female plants separate (fl photos from Richard Robinson)

Trocdaris (=Carum) . . . . . Whorled Caraway

Trocdaris verticillatum . . . . . Whorled Caraway

Damp meadows in W Br and Ire, Jersey, almost absent from E

Visnaga . . . . . Toothpick-plant

Visnaga daucoides . . . . . Toothpick-plant

Casual