ERYNGIUM MARITIMUM
Common Names:- Sea holly
Homotypic Synonyms:- None
Meaning:- Eryngium (Gr) A name used by the Greek philosopher Theophrastus for
sea holly.
Maritimum (L) Growing by the sea, maritime, of the sea.
General description:- Strongly glaucous, rigid perennial.
Stems:-
1) 20-50 cm, stout, widely branched.
Leaves:-
1) 4-10 x 5-15 cm, alternate, simple, tough and coriaceous, ± lobed, with coarse,
triangular, spine-tipped teeth;
a) lower, petiolate.
b) upper, subsessile, all suborbicular,
Flowers:-
1) Radially symmetrical, gray blue, from 4-5 mm diam, joined together in dense
globe-shaped, capitula, from 15-40 mm.
2) Bracts, 5, foliaceous, ovate, exceeding capitula, forming a spiny involucre.
3) Calyx, with 5 green fused sepals marked with a white line prolonged by a white
thorn.
4) Sepals, 4-5 mm.
5) Styles and stigmas, 2 each
Fruit:-
1) Achenes, small and scaly.
Key features:-
1) Bracts, with 1 or more pairs of spines or teeth, ovate to ovate-lanceolate
2) Sepals, 4-5 mm.
3) Inflorescence, subtended by 5 large, broadly ovate, foliaceous bracts forming a
spiny involucre.
Habitat:- Sandy beaches, very rarely in sandy habitats some distance inland, up to
50 m.
Distribution:- Most of Greece the Black Sea coasts and throughout the
Mediterranean area and W Europe northwards to W Scandinavia and the Baltic.
Widespread on Crete mainly along the northern coastal region.
Flowering time:- Mid-June to Aug.
Photos by:- Steve Lenton