Botanical name: Marsdenia roylei Family: Apocynaceae (Oleander family)
Synonyms: Pergularia roylei
Royle's Pergularia is a softly hairy climbing shurb, juice milky, woody branches with raised warts. It has heart-shaped leaves and orange flowers crowded into branched flat-topped stalked clusters 2.5-4 cm across, in leaf axils. Flowers are about 6 mm across with 5 fleshy spreading petals which are densely hairy above except on the margins. Corona lobes are linear erect, much longer than the anthers, with converging tips. Sepals and flower-stalls have a dense felt of hairs. Leaves are stalked, 6-15 cm, pointed. Seed-pods are hairy, deeply wrinkled, about 8 cm by 2.5-4 cm, beaked. Royle's Pergularia is found in the Himalayas, from Pakistan to Arunachal Pradesh and Myanmar, at altitudes of 900-2400 m. Flowering: May-June. Fl. Per.: June-August. Lectotype: Simla, 19.6.1831, Lady Dalhausie 217 (K, E). Distribution: Himalaya, from Indus eastwards to Sikkim, 3000-7000 ft.
Medicinal uses: The juice of the stem is used in the treatment of gastric troubles and peptic ulcers.
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The flower labeled Royle's Pergularia is ...