Fibraurea chloroleuca Miers

[From Greek, khloros = green and leukos = white]

Physical description: It is a climber found in the rocky primary forests of the Asia-Pacific. The wood is yellow, the bark is fissured, and the medullary rays are broad in transversal section. Leaves: simple, spiral and without stipules. The petiole is 2.2cm-5.2cm long and keeled at both ends and twisted at the base. The blade is 8.5cm-14.5cm x 5.2 cm-4 cm, leathery, oblong, elliptic, and shows 3 nerves. The apex is acuminate. The inflorescences are long and pendulous panicles. The flowers are sweetly-scented and small. The fruits are yellow-orange, elliptic and smooth 3.5cm-4cm long drupes (Fig. 40).

Synonymy: Fibraurea tinctoria Lour.

Common names: Fibraurea; balet, binak(Kenyah); peron (Indonesia); bintang habu, merkunyit (Malay); huang teng (Chinese); hoang dang (Vietnamese); kam-phaeng (Thailand).

Fibraurea Chloroleuca Miers

Fig. 40. Fibraurea chloroleuca Miers. From: KLU Herbarium 29771. Flora of Sarawak, University of Malaya Herbarium. Field collectors botanical identification: Chin See Chung, 21 July 1977. Geographical localization: behind house on hill and ridge 500-1000 ft, Long Sela-tong Ulu, upper Buram. From: KLU 11647. Flora of Malaya. Field collector & botanical identification: Benjamin C Stone, Tanjong Keruing.Tasek Bera, 27 July 1970, Malaysia.

Fig. 40. Fibraurea chloroleuca Miers. From: KLU Herbarium 29771. Flora of Sarawak, University of Malaya Herbarium. Field collectors botanical identification: Chin See Chung, 21 July 1977. Geographical localization: behind house on hill and ridge 500-1000 ft, Long Sela-tong Ulu, upper Buram. From: KLU 11647. Flora of Malaya. Field collector & botanical identification: Benjamin C Stone, Tanjong Keruing.Tasek Bera, 27 July 1970, Malaysia.

Uses: In Indonesia, Fibraurea chloroleuca Miers is used to soothe inflamed eyes, remove blood from feces and to assuage headache. In Malaysia, the plant is used to aid recovery from childbirth, treat diabetes, and to heal ulcerated noses. The plant is used to produce a yellow dye.

Pharmaceutical interest: It will be interesting to learn whether the antidiabetes, anti-inflammatory and antiseptic properties of Fibraurea chloroleuca Miers are attributed to isoquinoline alkaloids such as berberine and pal-matine. Berberine acts through the delay of the onset or progression of diabetic complications in the eyes and other major organ systems via inhibition of aldose reductase (Lee HS, 2002). Berberine and palmatine possess significant and dose-dependent anti-inflammatory, antinociceptive and antipyretic activity (Kupeli E et al., 2002).

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