CONVOLVULUS ARGYROTHAMNOS
Common Name:- None
Synonyms:- None
Meaning:- Convolvulus (L) Entwined. A name used by the Roman naturalist and
philosopher Pliny.
Argyrothamnos (Gr) Silver-bush
General description:- Perennial shrub, woody at the base, with
silky, silver-coloured down.
Stems:-
1) 80 cm., moderately curved-pendent with the longest branches near the apex.
Leaves:-
1) Alternate, simple, thread-like to narrow, parallel-sided, at 30mm long at the most,
silver-coloured like those of the olive-tree.
Flowers:-
1) Terminate in congested 2-6-flowered cymes.
2) Outside sepals x 3, inverted-lance-shaped, hairless internally, externally clothed
with long silky hairs.
3) Inner sepals, similar but a little wider.
4) Corolla 30-35 mm diam., white with 5 pink inconspicuous stripes.
Fruit:-
1) Capsule usually 4-seeded, 1- to 2-celled.
2) Pollen grains tricolpate; exine not spinose.
Habitat:- Crevices of limestone in gorges. 450-650 m.
Distribution:- Cretan endemic. Known only from two locations. Very rare.
Flowering time:- May-June.
Photos by:- Yannis Zacharakis
Status:-
Conservation status (for threatened species): Endangered (E) according to the
Red Data Book of Rare and Threatened Plants of Greece (1995).
According to IUCN 1997. Endangered (E)
Protection status (for threatened species): Greek Presidential Decree. 67/1981,
Bern Convention, EU Dir.1992/43 (Ann.II*/IV).
European Directive 92/43 (‘Habitats Directive’).