CERASTIUM SEMIDECANDRUM

Family:- CARYOPHYLLACEAE

Common Names:- None

Synonyms:- Cerastium obtusifolium, Cerastium varians subsp.
semidecandrum.

Meaning:- Cerastium (Gr) Horned, (the fruiting capsule's shape).
                  Semidecandrum (L) With (about) five stamens.

General description:- Procumbent to erect annual.

Stem:-
1) Up to 20 cm, with eglandular and dense glandular hairs, rarely glabrous.

Leaves:-
1) Up to 18 mm.
2) Basal oblanceolate.
3) Cauline ovate to broadly elliptical.

Flowers:-
1) Pedicels equalling or slightly longer than the sepals; usually with dense glandular
    and a few eglandular hairs.
2) Bracts sometimes almost entirely dry, paper-like (scarious), always scarious
    in the upper 1/3.
3) Sepals 3-5 mm, lanceolate, acute, with wide scarious margins; usually with
    dense glandular and a few eglandular hairs.
4) Petals shorter than the sepals, slightly notched.

Fruit:-
1) Capsule 45-7 mm.
2) Seeds 04-05 mm, yellowish-brown, finely tuberculate.

Key features:-
1) Upper bracts scarious at least in the upper 1/3.

Habitat:- Sandy fields, dry gravelly slopes, coastal habitats, on various substrates.
0-1800 m.

Distribution:- Throughout Greece, especially in the north. - Widespread in Europe
and SW Asia. On Crete confined mainly to the four massifs. not common.

Flowering time:- Mar to early May.

Photos by:- By kind permission of Saxifraga - Free Nature Images.
SPECIES DESCRIPTION