Peristrophe roxburghiana Schult Bremek

[From Greek, peri = around and strephein = to turn and After William Roxburgh, 18th century Scottish botanist]

Synonymy: Peristrophe tinctoria Nees, Peritrophe bivalvis Merr.

Common names: Malapudak (Malay); noja (Javanese).

Uses: In Malaysia, the pounded leaves of Peristrophe roxburghiana (Schult.) Bremek are used to soothe swollen parts, painful sprain and to treat skin diseases. The plant is used to treat pulmonary tuberculosis, hepatitis and to stop haemoptysis. The therapeutic potential of Peristrophe roxburghiana (Schult.) Bremek remains unexplored.

Physical description: It is a creeping rainforest herb which grows in India and the Asia-Pacific. The stems are glabrous. Leaves: simple, opposite, without stipules, dark green, glossy, and

Fig. 327. Peristrophe roxburghiana (Schult.) Bremek.

Fig. 327. Peristrophe roxburghiana (Schult.) Bremek.

broadly elliptic. The inflorescences are terminal cymes. The flowers are showy, growing to a height of 4 cm long, mauve and with a pair of equal ovoid lips. The fruits are upright capsules enclosing a pair of 2 seeds (Fig. 327).

Warning: Caution must be taken as the toxic effects of this plant are unknown. Pseuderanthemum graciliflorum Nees

[From Latin, pseuderanthemum = false eranthemum and gracilis = long and flos = flower]

Synonymy: Eranthemum graciliflorum Nees, Eranthemum malaccense Radlk., Eranthemum album Radlk.

Common names: Pokok tampang puteri, kemoja hutan (Malay); rong mei (Thai).

Uses: In Malaysia, the plant is used to promote recovery from childbirth and to counteract putrefaction. To date, the pharmacological properties of Pseuderanthemum graciliflorum Nees remains unexplored.

Physical description: Pseuderanthe-mum graciliflorum Nees is a shrub which grows to a height of 1.5 m. The plant is found on limestones, stream banks, and seashores rocks of Asia-Pacific. The stems are quadrangular, articulate and glabrous. The internodes are 4 cm long. Leaves: simple, decussate and without stipules. The petiole is 2mm-2cm long and slightly curved at base. The blade is lanceolate, char-taceous, 2.5cm-15cm x 8mm-4.5cm and is covered above by microscopic linear and short dots. The apex of the blade is caudate in a 1 cm-2 cm long tail. The margin is somewhat wavy.The blade shows 5-7 pairs of secondary nerves. The inflorescences are terminal racemes. The calyx is tiny and 5-lobed. The lobes are linear. The flowers are lilac-violet, 2.5 cm long, the lower lip penciled with a central oblong white patch. The fruits are 2 cm long dehiscent capsules of containing a pair of seeds. The seeds are of 2 mm diameter and sustained by hooks (Fig. 328).

Fig. 328. Pseuderanthemum graciliflorum Nees. From: KLU Herbarium 7807. Flora of Malaya. Kedah, Pulau Langkawi, altitude: 25'. Geographical localization: Dayan Bunting Limestone, Malaysia. Field collector: Benjamin C Stone, 10 May 1967. Botanical identification: Singapore.

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