HYOSCYAMUS ALBUS
Common Names:- White henbane
Homotypic Synonyms:- Hyoscyamus luridus, Hyoscyamus major,
Hyoscyamus minor, Hyoscyamus varians.
Meaning:- Hyoscyamus (Gr) Hog-bean. A derogatory name used by the Greek
physician and botanist Dioscorides.
Albus (L) Whitish, white.
General description:- Annual or short-lived perennial, glandular-villous
Stem:-
1) 30-90 cm, woody below when perennial, erect, branched, densely glandular-
villous, the hairs patent.
Leaves:-
1) All alternate, petiolate.
2) Lamina, 4-10 x 3-8 cm, cordate at the base, shallowly and obtusely lobed or
coarsely dentate, greyish-green.
Flowers:-
1) In a ± unilateral spike with leaf-like bracts.
2) Calyx, 10-15 mm, tubular-campanulate, ± ventricose at the base, with triangular,
acute teeth.
3) Corolla, slightly zygomorphic, pale yellow or greenish-yellow, often with a purple
throat.
4) Stamens, 5 scarcely protruding, sometimes with a dark purple filament.
a) anthers, included or only slightly exserted.
Fruit:-
1) Capsule, rounded at the bottom, enclosed and exceeded by a persistent calyx,
opening with a lid.
Key features:-
1) Corolla, at least 2·5 cm, much exceeding calyx.
2) Flowers, sessile, except the lowest, in a dense spike.
3) Corolla, usually yellowish-white.
Habitat:- Harbours and other ruderal coastal habitats, roadsides, bases of stone
walls in villages, olive groves. 0-600(-1200) m.
Distribution:- Most of Greece, but more or less lacking in the interior north. -
Mediterranean region and Anatolia, extending to S Russia, Syria and N Iraq.
Scattered mostly around the coastal areas of Crete, with a few inland locations.
Flowering time:- Late Mar to early June.
Photos by:- Steve Lenton