Botanical Survey of India | Flora of India

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Oxalis dehradunensis Raiz., Suppl. Fl. Upp. Gang. Plain 37 - 38. 1976. O. intermedia A. Rich., Ess. Fl. Cuba 315. 1845, non Steudel 1841. Oxalis richardiana Babu, Herb. Fl. Dehra Dun 104. 1977. O. latifolia auct. plur. non H.B.K. 1821: Calder in Rec.Bot. Surv. India 6(8): 335. 1919; Fyson, Fl. S. Indian Hill Stat. 2: t. 51. 1932.

Herbs, acaulescent, 15 - 25 cm high; roots few, filiform, bulbs ovoid, acute, up to 5 x 2 cm, with numerous basal erect stolons with a few small scales; outer scales ovate-oblong, acute, imbricate, inner scales fleshy. Leaves 2 - 6, long petiolate, 3-foliolate; leaflets subsessile, fishtail-shaped, broadly deltoid, sub-bilobed with lobes divergent, acute at apex, broadly but distinctly cuneate at base, ca 1.5 cm x 3 cm at broadest part. Umbels with 5 - 6 flowers, bracteate; bracts minute, less than 1 mm long. Flowers pedicellate, 8 - 9 mm long. Sepals 5, elliptic-oblong, equal, ca 4 mm x 1.5 mm, glabrous. Corolla in fundibuliform, 1 - 1.5 cm long; petals 5, purple violet. Stamens 10, alternately long and short; longer filaments inapendiculate, pubescent, ca 4 mm long; short ones hairy, ca 2 mm long; anthers oblong. Ovary elongate, 5-lobed, ca 2.5 mm long, glabrous; styles 5, distinct, glabrous; stigmas 5, discoid with wavy margins; ovules 4 in each locule.

Fl. & Fr. May - Nov.

Distrib. India: Himachal Pradesh, Meghalaya, Punjab, Uttar Pradesh, Maharashtra, Madhya Pradesh, Bihar, Andhra Pradesh, Karnataka, Tamil Nadu and Kerala.

Native of Mexico and West Indies; introduced and naturalised in other areas.

Notes. Closely allied to Oxalis latifolia H.B.K., but in latter species long staminal filaments are apendiculate and short ones glabrous.


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