Delavay Oxygraphis
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Delavay Oxygraphis
ative Photo: Thingnam Girija
Common name: Delavay Oxygraphis
Botanical name: Oxygraphis delavayi    Family: Ranunculaceae (Buttercup family)

Delavay Oxygraphis is a perennial herb, named after Pierre Jean Marie Delavay. Basal leaves are 3-5, hairless, carried on stalks 1.6-10 cm, vaginate at base. Leaves are kidney-shaped to circular or ovate-circular, 0.8-3.8 x 0.9-3.8 cm, base heart-shaped or nearly so, margin toothed, indistinctly 7-9-lobed or 3-lobed, rarely 3-partite, tip rounded. Flowering stems are 1-3, more than 4 cm, elongating to 15 cm in fruit, hairless, except for hairy upper part. Flowers are borne solitary or in groups of 2 or 3 atop the flower stem, 1-2 cm across. Bracts are linear or ovate. Sepals are 5, oblong, ovate-oblong, or nearly inear, 4-8 mm, papery, smooth, falling off. Petals are 5-10, long elliptic or oblong, 4.5-10 x 1.8-4 mm, tip rounded. Anthers oblong, 0.6-0.9 mm. Aggregate fruit is broadly ovoid, about 5 mm in diameter. Delavay Oxygraphis is found in the alpine meadows, grassy slopes and gravelly places in Eastern Himalayas, at altitudes of 3500-5000 m. Flowering: April-August.

Identification credit: Krishan Lal Photographed in Tawang Distt, Arunachal Pradesh.

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