SPECIES DESCRIPTION
RHAGADIOLUS STELLATUS

Including Rhagadiolus edulis

Family and Genus:- See- COMPOSITAE

Common Names:- Star hawkbit

Homotypic Synonyms:- Lapsana stellata.

Meaning:- Rhagadiolus (Gr) Divided.
                  Stellatus (L) With spreading rays, star-like.               
                
General description:- Low to medium annual, usually sparsely hairy throughout.

Stems:- 
1) 7-40 cm, usually branched, erect to spreading.

Leaves:-
1) 25-140 x 10-70 mm, mostly oblong-obovate, sinuate-dentate to lyrate-pinnatifid,
    but the cauline sometimes ovate to lanceolate.

Flowers:-
1) Capitula, yellow, 7-10 mm, long pedunculate, borne in a lax spreading panicle,
    occasionally with few flowers.
2) Involucre, 5-8 x 2·5-3·5 mm at anthesis, accrescent in fruit.
    a) outer bracts, 5, very small, ovate, patent and stellate in fruit.
    b) inner bracts, 5-8, narrowly linear-lanceolate, sometimes with a median row of  
        rigid  hairs.

Fruit:-
1) Outer achenes, 10-15 x 1-1·5 mm, curved, forming a characteristic radiating  
    infructescence.

Key features:-
1) Leaves not spiny.
2) At least some achenes without pappus.
3) Outer involucral bractsp enfolding achenes, patent and stellate in fruit.

Click here for a glossary of terms used.

Habitat:- Seasonally damp habitats in fallow fields, olive groves, open dry shrubby
vegetation and open wood-land. 0-800(-1400) m.

Distribution:- Widespread and common throughout the Mediterranean. Widespread
and common on Crete.

Flowering time:- Mar to early June.

Photos by:- Steve Lenton
 
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RHAGADIOLUS EDULIS                                                                Back to Top

Homotypic Synonyms:- Lampsana edulis, Rhagadiolus stellatus subsp. edulis
Rhagadiolus stellatus var. edulis

Edulis (L) Of food, edible.

Resembling R.stellatus but differing in the following characters:-
1) Basal leaves, lyrate-pinnatisect with a large, rounded terminal lobe.
2) Inner phyllaries, usually 5, glabrous dorsally
3) Achenes, straight or slightly recurved   

Habitat:- As for R.stellatus

Distribution:- Widespread and common throughout the Mediterranean. Previously
unrecorded from Crete.

Flowering time:- Mar to early June

Photos by:- Fotis Samaritakis and A,N.Other