OXALIS PES-CAPRAE
Common Names:- Bermuda buttercup, Cape sorrel.
The common names are rather misleading as it is neither a native of Bermuda nor a
buttercup, this southern African geophyte was already known in Crete in the 1880s.
Homotypic Synonyms:- None
Meaning:- Oxalis (Gr) Acid-salt, a name used by Nicander of Colophon the 2nd
century BC), Greek poet and physician, and refers to the taste of sorrel.
Pes-caprae (L) Nanny-goat's foot.
General description:- Sparsely hairy, tufted, perennial.
Bulb:-
1) Deeply-buried, which emits an annual, ascending, subterranean stem bearing
bulbils and a rosette of leaves at soil level.
Leaves:-
1) Petioles, up to 20 cm.
2) Leaflets, 8-20 x 12-30 mm, obcordate, emarginate, often flecked with brown
spots.
Flowers:-
1) Infundibuliform in umbellate cymes. (sometimes double flowered),
2) Petals, 20-25 mm, yellow.
Fruit:-
1) Capsule, short, rarely formed.
Key features:-
1) Petals, yellow.
2) Aerial stem, absent.
3) Bulbils, present at the base of plant.
Habitat:- Olive groves, orchards, cultivated and fallow fields, roadsides. 0-500(-800)
m. sometime very abundant.
Distribution:- Widespread invasive species throughout the Mediterranean.
Widespread and common on Crete. (Introduced).
Flowering time:- (Nov-)Jan-May.
Photos by:- Steve Lenton