Diverse-Leaf Yellow Cress
Share Foto info
Diverse-Leaf Yellow Cress
B Native Unknown Photo: Ishwari Datt Rai
Common name: Diverse-Leaf Yellow Cress
Botanical name: Rorippa dubia    Family: Brassicaceae (Mustard family)
Synonyms: Cardamine sublyrata, Rorippa heterophylla

Diverse-Leaf Yellow Cress is an annual or biennial herb, usually hairless or rarely sparsely velvet-hairy when young, about 10-30 cm tall, not scapose. Stem is erect or ascending, leafy, simple or much branched from the base and above. Basal leaves are not in rosette, usually withered before flowering, obovate-inverted-lanceshaped in outline, about 2-8 x 1-3 cm across, margin lyrately pinnatifid, tip blunt, leaf-stalk up to 4 cm long, lower and middle stem leaves gradually smaller, base eared or not, margin irregularly toothed, lateral lobes 1-4 if present, gradually becoming larger towards the tip, leaf-stalk short to nearly stalkless, upper stem leaves, lanceshaped to oblong, margin entire or sawtoothed toothed, tip pointed to tapering, stalkless. Flowers are borne in racemes, many flowered, about 6-10 cm long, elongated in fruit, ebracteate. Flowers are bisexual, yellow, flower-stalk erect, divaricate, slender, ascending, about 3-8 mm long, sepals 4, erect, linear oblong, margin membranous, inner lateral pair base rarely saccate, about 2-3 x 0.5-0.8 mm across, petals mostly absent or 4, obovate-inverted-lanceshaped, margins entire, tip notched, usually shorter than sepals, about 1.5-2.5 x 0.3-0.7 mm across. Stamens 6 rarely 4. Fruit is a siliqua, splitting, linear cylindrical, about 25-35 x 0.7-1 mm across. Diverse-Leaf Yellow Cress is found in the Himalayas, at altitudes of 1200-1600 m. It is also found in China and Japan, Malaysia.

Identification credit: Amit Kumar Photographed in WII, Dehradoon, Uttarakhand.

• Is this flower misidentified? If yes,