Rorippa heterophylla
Content
Description
Annual herb with taproot, nearly glabrous.
Leaves in a rosette and along the stem, the lower 1.5-8 cm long with 8-60 mm long petioles, narrowly obovate in outline, undivided or lyrate-pinnatipartite with 1-3 pairs of small lateral lobes;
Sepals green, elliptic, c. 2 mm long.
Petals often reduced or lacking, sometimes up to 3.2 mm long, narrowly spathulate.
Stamens up to 3 mm long with c. 0.7 mm long anthers.
Ovary narrowly cylindrical, with very short style and flat expanded stigma.
Seeds uniseriate, red- brown, roundedly quadrangular in outline, c. 0.7 mm long, very finely colliculate.
Distribution
Africa present, Ambon present, America present, Asia-Tropical: Jawa (Jawa present); Lesser Sunda Is. present; Malaya (Peninsular Malaysia present); Maluku (Maluku present); Philippines (Philippines present); Sulawesi (Sulawesi present); Sumatera (Sumatera present), Burma present, Buru present, Ceram present, East Asia, Japan present, Luzon present, Mindanao present, Papua New -Guinea present, Timor present
Indigenous in East Asia, at least from Japan to Burma; introduced in other tropical areas, also in Africa and America; in Malesia: Sumatra, Malay Peninsula, Java, Lesser Sunda Islands (Timor), Philippines (Luzon, Mindanao), Moluccas (Ambon, Buru, Ceram), Celebes, Papua New -Guinea.
Citation
H.J.LAM 1945 – In: Blumea: 570
HEYNE 1927: Nutt. Pl. Ned. Ind.: 680
BACKER 1907: Fl. Batavia: 47
Koord. 1912: Exk. Fl. Java: 289
QUIS. 1951: Medic. Pl. Philip.: 335
auct. non (L.) DC: BOERL. 1911: Schoolfl. Java: 55
Koord. 1923: Fl. Tjibodas: 80
BOERL. 1890 – In: Handl. Fl. Ned. Ind.: 58
Miq. 1858 – In: Fl. Ind. Bat.: 93
HOCHR. 1925 – In: Candollea: 370
Merr. 1923 – In: En. Philip.: 208
Koord. 1912 – In: Exk. Fl. Java: 288
BACKER & BAKH.f. 1963 – In: Fl. Java: 190
OCHSE & BAKH. 1931: Ind. Groenten: 175: f. 107
Blume 1911: Schoolfl. Java: 55
HEYNE 1927: Nutt. Pl Ned. Ind.: 680
Miq. 1871: Ill. Arch. Ind.: pl. IX
BACKER 1907: Fl. Batavia: 47
RIDLEY 1922 – In: Fl. Mal. Pen.: 119
BURK. 1935: Dict.: 1534
Merr. 1912: Fl. Manila: 213
BOERL. 1890 – In: Handl. Fl. Ned. Ind.: 58
Merr. 1917: Interpr. Rumph. Herb. Amb.: 240
BURK. 1935: Dict.: 1534
BACKER & BAKH.f. 1963 – In: Fl. Java: 190
RIDLEY 1916 – In: Trans. Linn. Soc. Lond.: 16