Quisqualis indica L

[From Latin, quis = who and qualis = what kind and indica = from India]

Physical description: It is a common ornamental climber native to Burma. Leaves: the petiole is 7.5 mm long. The blade is 7.5cm-10cm x 3.8 cm, elliptic, acuminate, and shows 6-8 pairs of secondary nerves. The blade is round, dark green, glabrous above and hairy beneath. The inflorescences are axillary or terminal spikes. The flowers are numerous, hanging down, 7.5 cm x 4 cm, initially white, then ripening into red. The calyx is tubular, pubescent, and develops 5 triangular lobes. The

Synonymy: Quisqua/is sinensis Lindl., Quisqua/is indica L. var. pubescens (Burm.) Mak.

Common names: Rangoon jasmine, Rangoon creeper, Burma creeper, Chinese honeysuckle, drunken sailor; dawchprincipa/g (Burmese); shih chan tzu, shui chun tzu (Chinese); akar pontianak, akarsu/oh, be/imbing hutan (Malay); /iane vermifuge (French); irangunma//i (Tamil); su quan, qua gium, day gium, qua nac (Vietnamese).

petals are elliptic lanceolate, acute, and 1.3cm long. The fruits are ellipsoid, acutely 5-angled, glabrous, and brown and 3.2 cm long (Fig. 174).

HO O

HO O

Quisqualic acid

Glutamic Acid

Pharmaceutical interest: Quisqualis indica L. contains quisqualic acid: a non-protein amino acid which is ascari-cidal and competes with glutamic acid to the metabotropic glutamate receptors, hence causing excitatory activity (Hansen JJ et al., 1990). Quisqualic acid may be responsible for the antic-occidal property displayed in an extract of Quisqualis indica L. (Youn HJ et al., 2001).

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