Dehradun Wood Sorrel
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Dehradun Wood Sorrel
P Naturalized Photo: Thingnam Girija
Common name: Dehradun Wood Sorrel
Botanical name: Oxalis dehradunensis    Family: Oxalidaceae (Wood sorrel family)
Synonyms: Oxalis intermedia A.Rich., Oxalis richardiana

Dehradun Wood Sorrel is a stemless herb forming bulbous bases without rootstock. Leaf-stalks are up to 20 cm long above joint; leaflets nearly equal, inverted-triangular, incised halfway, 1.5-7 x 2-8 cm, often with 2 orange calli in notch, dotted, hairless, somewhat glaucous below. Flowers are borne in 5-12 flowered umbels, on flower-cluster-stalks up to 25 cm long. Bracts are 2, ovate, about 0.5 mm long; flower-stalks thread-like, up to 2 cm long above basal joint. Sepals are oblong-lanceshaped, blunt, indistinctly 3-5 nerved; apical calli 2, about 1 mm long, orange. Petals are narrowly inverted-triangular, obliquely flat, pinkish or reddish purple with greenish base, crumpled soon after anthesis. Filaments including basal fused portion 2.5-3 or 4-5 mm long, finely velvet-hairy. Dehradun Wood Sorrel is native to the Caribbean, naturalized in India.

Identification credit: Prashant Awale, J.M. Garg, Gurcharan Singh Photographed at Nainital, Uttarakhand & Purundar Fort, Maharashtra.

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