Plant Magazine of Botanical-online September 2017

Natural remedies

Daisy family

Daisy family (Compositae)

Tanacetum vulgare

Photo of Tanacetum vulgare L., a plant of the compositae family

The daisy family - compositae - stands for about 2000 of plants stattered althrought the world, but mainly in temperate and subtropical regions.

Most of all, they are annual or vivacious herbs, although trees and bushes can also be found.

According to their floral structure (head) and their chemical composition it is considered as the most evolutionated family in the dicotyledonous

daisy family

Chrysantemum frutescens

Leaves (1): simple or compound. Alternate or whorled.

Stems: (2) Generally herbaceous.

Flowers:Gathered in heads, (3), similar to a single flower but being in fact an inflorescence. heads are formed by a base where single flower stand. It is called the receptacle. All around the heads there are the bracts, calyx-like, forming altogether the involucre, (4)

daisy family

Calyx: Transformed in a single ring of hairs or scales, parachute- like. Sometimes not present.

Corolla: With 5 united petals. It can be:

- Bell- shaped, ending in 5 teeth. This kind of flowers are called florets. (5)

daisy family

- A tube-like that opens quickly in a flat form 5 teeth ending. They are called ligules. (6)

daisy family

Heads can be formed:

- Only by florets: (Gnaphalium decurrens) (Santolina chamaecyparissus)

- Only by ligules: (Taraxacum officinale)

- with ligules outside and florets inside: (Chrysantemum frutescens)
Stamens: 5 atached at the base of the corolla, united athe the anthers like a tub,wherein style can be found.
Ovary: Inferior
Style: 1, with two stigmas.
Fruit: Achenes

Genera

There are about 900 genera. The most important:

ACHILLEA
ADENOSTYLES
AETHEORHRIZA
AMBROSIA
ANACYCLUS
ANDRYALA
ANTENNARIA
ANTHEMIS
APOSERIS
ARCTIUM
ARCTOTHECA
ARNICA
ARNOSERIS
ARTEMISIA
ASTER
ASTERISCUS
ATRACTYLIS
BACCHARIS
BALSAMITA
BELLIS
BELLIUM
BIDENS
BOMBYCILAENA
CALENDULA
CARDUNCELLUS
CARDUUS
CARLINA
CARPESIUM
CARTHAMUS
CATANANCHE
CENTAUREA
CHAMAEMELUM
CHAMOMILLA
CHEIROLOPUS
CHONDRILLA
CICERBITA
CICHORIUM
CIRSIUM
CLADANTHUS
CNICUS
COLEOSTEPHUS
CONYZA
COTULA
CREPIS
CRUPINA
CRYSANTHEMUM
CYANOPSIS
CYNARA
DITTRICHIA
DORONICUM
ECHINOPS
ECLIPTA
ERIGERON
EUPATORIUM
EVAX
FILAGINELLA
FILAGO
GALACTITES
GALINSOGA
GAMOCHAETA
GLOSSOPAPPUS
GNAPHALIUM
GUIZOTIA
GYMNOSTYLES
HEDYPNOIS
HELIANTHUS
HELICHRYSUM
HETERANTHEMIS
HIERACIUM
HISPIDELLA
HOMOGYNE
HYMENOSTEMMA
HYOSERIS
IFLOGA
JASONIA
JURINEA
KOELPINIA
LACTUCA
LAPSANA
LASIOPOGON
LAUNANEA
LEONTODON
LEONTOPODIUM
LEPIDOPHORUM
LEUCANTHEMOPSIS
LEUCANTHEMUM
LEUZEA
LEYSERA
LOGFIA
MANTISALCA
MATRICARIA
MICROPUS
MYCELIS
NEOLLETIA
NOTOBASIS
OMALOTHECA
ONOPORDUM
OTANTHUS
OTOSPERMUM
PALLENIS
PETASITES
PHAGNALON
PHALACROCARPUM
PICNOMON
PICRIS
PRENANTHES
PROLONGOA
PTILOSTEMON
PULICARIA
REICHARDIA
RHAGADIOLUS
ROTHMALERIA
SANTOLINA
SAUSSUREA
SCHKUHARIA
SCOLYMUS
SCORZONERA
SENECIO
SERRATULA
SILYBUM
SOLIDAGO
SOLIVA
SONCHUS
STAEHELINA
TAGETES
TANACETUM
TARAXACUM
TOLPIS
TRAGOPOGON
TRYMNUS
TUSSILAGO
UROSPERMUM
VOLUTARIA
XANTHIUM
XERANTHEMUM

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