SPECIES DESCRIPTION
ALKANNA SIEBERI

Family:- BORAGINACEAE

Common Name:- None

Synonyms:- None

Meaning:- Alkanna (L) From the Arabic, al-henna for Lawsonia inermis, the source
of henna.
                  Sieberi (L) For the botanist Franz Wilhelm Sieber (1785-1844).

General description:- A short perennial plant with short bristly hairs.

Stem:-
1) 10-30 cm, erect. branched from the base.

Leaves:-
1) With a mixture of tubercle-based setae and short eglandular hairs.
2) Basal, up to 4 cm, oblanceolate, subobtuse.
3) Cauline shorter, lanceolate.

Flowers:-
1) Inflorescence, pedunculate, with tubular florets, twice as long as the calyx.
2) Corolla pale pinkish, later turning blue, glabrous outside.
3) Bracts, as long as or slightly longer than the calyx. linear-lanceolate.
4) Calyx, 4-5 mm in flower, 6-7 mm in fruit.eglandular.
5) Limb, c. 4 mm. diam.

Fruit:-
1) Nutlets c. 2 mm. diam. rugose or tuberculate.

Key features:-
1) Corolla-limb c. 4 mm diam.
2) Tube twice as long as calyx.

Click here for a glossary of terms used.

Habitat:- Stony pine woodland, sparse calcareous dry open shrubby vegetation,
maritime sands, abandoned cultivated land, sometimes on rocky hills up to 700 m.
(rarely 1300 m).

Distribution:- Endemic to Crete. Sparsely scattered mainly around southern
coastal areas.

Flowering time:- Mar-Apr.

Photos by:- Yannis Zacharakis and Steve Lenton

Status:-
Conservation status (for threatened species): Rare (R) according to IUCN 1997.
Protection status (for threatened species): Greek Presidential Decree 67/1981.