REICHARDIA PICROIDES
Common Names:- None
Homotypic Synonyms:- Reichardia picroides subsp. eu-picroides, Scorzonera
picroides, Sonchus picroides.
Meaning:- Reichardia (L) For, Johann Jacob Reichard a German physician and
botanist at the University of Göttingen. (1743 - 1782)
Picroides (L) Bitter.
General description:- A low to short, hairless annual to perennial.
Stems:-
1) 10-45 cm.
Leaves:-
1) Smooth or more or less papillose.
a) basal, 2-13 x 0ˇ5-2ˇ5 cm, oblanceolate or linear-lanceolate, obtuse to acute,
entire to pinnatisect with patent lobes, long-attenuate at the base into a
winged petiole.
b) lower cauline, similar to the basal, but sessile, amplexicaul, the upper smaller
and often more or less entire.
Flowers:-
1) Capitula, 1-5.
2) Peduncles, long, with numerous small, ovate, acuminate bracts which have a
scarious margin.
3) Involucre, 10-20 x 8-14 mm, glabrous.
a) outermost bracts, 3-5 x 1ˇ5-2ˇ5 mm, ovate, with a scarious margin up to 0ˇ5
mm, wide,
b) inner bracts, lanceolate, obtuse, usually with a narrow scarious margin.
5) Ligules, yellow, the outer usually with a dark stripe on outer face, 1˝-2 times as
long as the involucre.
Fruit:-
1) Achenes, 2-3 mm, the outer 4- to 5-angled, transversely rugose, the inner
smooth
and appearing sterile.
Key features:-
1) Inner achenes, not transversely rugose.
2) Ligules, yellow at the base.
3) Outermost involucral bracts, 3-5 x 1ˇ5-2ˇ5 mm, with a scarious margin not more
than 0ˇ5 mm wide.
Habitat:- Rocky and gravelly coastal habitats, open dry shrubby vegetation, fallow
fields, olive groves and wasteground, usually near the sea at 0-300 m. occasionally
to 1200 m.
Distribution:- Widespread and common throughout the Mediterranean. Widespread
and common on Crete.
Flowering time:- Mid-Mar to early July.
Photos by:- Steve Lenton