SPECIES DESCRIPTION
ALYSSUM IDAEUM

Family and Genus:- See- CRUCIFERAE/Sect. ALYSSUM

Common Name:- None

Homotypic Synonyms:- None

Meaning:- Alyssum (Gr) Pacifier, ancient Greek name meaning  without-fury -
alluding to the supposed medicinal properties against rabies.
                  Idaeum (L) From Mount Ida in Crete.

General description:- Diffuse, procumbent, grey-green to white perennial.

Stems:-
1) Several, 3-12 cm,  flowering, simple, procumbent to ascending.

Leaves:-
1) Broadly, spathulate to obovate,
2) Silvery-grey,
3) Densely covered on both sides lepidote, stellate hairs, 0·3 mm
    in diam.,

Flowers:-
1) Inflorescence, a short, subumbellate raceme, scarcely elongating in fruit.
2) Sepals, 2·5-3·5 mm; caducous.
3) Petals, 4-5 mm, entire.

Fruit:-
1) Silicula, 5-7 mm, orbicular or ovate-orbicular, retuse, glabrous or minutely
    lepidote
2) Valves, inflated, with narrow flattened margins, glabrous.
3) Style, 1.5-2 mm.
4) Seeds, 2-2·5 mm; wing 0·1-0·2 mm wide

Click here for a glossary of terms used.

Key features:-
1) Sepals, without a tuft of hairs at the apex.
2) Silicula, glabrous or glabrescent.
3) Indumentum of leaves, lepidote.

Habitat:- Calcareous screes, stony slopes and dolines with thorn-cushion
vegetation. (1300-)1800-2400 m.

Distribution:- Probably endemic to the upper parts of Mt Psiloritis where it was first
collected by Heldreich in 1846..

Flowering time:- May-June

Photo by:- Currently none available