HIRSCHFELDIA INCANA
Formally incorrectly listed as Brassica geniculata
Common Name:- Hoary mustard
Meaning:- Hirschfeldia (L)
Incana (L)
General description:- Annual to biennial, leafy, densely white-hairy to somewhat
glabrous below.
Stems:-
1) up to 1·5 m, usually much-branched.
Leaves:-
1) Lower, runcinate-pinnatifid, with an ovate, obtuse, shallowly dentate terminal
lobe.
2) Upper, simple, more or less sessile.
Flowers:-
1) Inflorescence, with several long branches. racemes much enlongating in fruit.
2) Petals, 5-10 mm, pale yellow, often with dark veins.
3) Pedicels, 2-4 mm, clavate and erect in fruit.
Fruit:-
1) Siliquae, erect and appressed to axis, 7-17 mm, 2-6-seeded; beak 3-4 mm.
2) Seeds, 0.9-1.2 mm, subglobose.
Habitat:- Roadsides, field margins, orchards and other anthropogenic habitats,
occasionally in open dry shrubby vegetation. 0-500(-1100) m.
Distribution:- A common weed throughout the lowlands, including most of the
islands. Europe except the northern parts, the Mediterranean area, SW Asia,
Widespread and common on Crete.
.
Flowering time:- April to early June, occasionally later.
Photos by:- Fotis Samaritakis