Cardamine hirsuta
Content
Description
Usually annual, branching from the base but not or very sparsely above (occasionally perennial and then branched above and devoid of leaf-rosette).
Sepals green with narrow white margins, oblong, obtuse, c. 1.5 mm long.
Petals white, narrowly spathulate, usually 2-3 mm long (rarely absent).
Stamens 4-6;
Ovary cylindrical with a very short style narrower than the ovary, and a flat stigma.
Seeds reddish brown with a vestigial wing, broadly oblong to suborbicular in outline, c. 1 by 0.8 mm, smooth.
Distribution
Asia-Tropical: Borneo present (Sabah present); Jawa (Jawa present); Malaya (Peninsular Malaysia present, Singapore present); New Guinea present; Philippines (Philippines present); Sumatera (Sumatera present), Ben-coolen present, Cameroun present, E. Africa present, Ethiopia present, Europe, Luzon present
Native at least in Europe, and probably in some tropical mountain areas (Ethiopia, E. Africa, Cameroun). Widespread as a weed in most parts of the world and probably naturalized in many areas; in Malesia: possibly native in some mountain areas, elsewhere a weed or naturalized; Malay Peninsula (incl. also Singapore), Sumatra (N. parts, Ben-coolen), Java, Borneo (Sabah), Philippines (Luzon), New Guinea (throughout).
Citation
STEEN. 1972: Mt. Fl. Java: pl. 13/5
SCHULZ 1903 – In: Bot. Jahrb.: 464
Koord. 1902 – In: Nat. Tijd. Ned. Ind.: 234
BACKER & BAKH.f. 1963 – In: Fl. Java: 191
HENTY & PRITCHARD 1973: Weeds New Guinea, p. 96. – In: Div. Bot. Lae, Bot. Bull.: fig.
GILLI 1980 – In: Ann. Naturhist. Mus. Wien: 429
DOCTERS VAN LEEUWEN 1933 – In: Verh. Kon. Akad. Wet. Amsterdam: 168
BACKER 1911: Schoolfl. Java: 56
RIDLEY 1916: Trans. Linn. Soc. Lond. II, Bot. 9: 17
HOCHR. 1925 – In: Candollea: 371
Koord. 1912 – In: Exk. Fl. Java: 290
BOERL. 1890 – In: Handl. Fl. Ned. Ind.: 58
Koord. 1923 – In: Fl. Tjibodas: 80
EVERAARTS 1981: Weeds Veget. Java: 53: f. 39
BURK. & HEND. 1925 – In: Gard. Bull. S. S.: 345