Sida cordifolia (PROSEA)
- Protologue: Sp. pl. 2: 684 (1753).
- Flannel weed (En)
- Malaysia: poko kelulut puteh (Peninsular)
- Papua New Guinea: guguni pepe (Hula, Central Province), autubua autubua (Gaire, Central Province), sanapu (Darubia, Normanby Island, Milne Bay)
- Philippines: gulipas (Subanun)
- Thailand: taan saai (south-western), yaa khatbai pom (northern)
- Vietnam: bái thi, ké dồng tiền, bái trắng.
Widely distributed in the tropics as a weed.
In Malaysia, the leaves of S. cordifolia are applied to conjunctivitis. The juice of the whole plant pounded with a little water is given for spermatorrhoea. An infusion of the roots is given for diseases such as hemiplegia or facial paralysis, for asthma as well as in disorders of the blood and bile. The root bark powder is given with milk and sugar to persons suffering from leucorrhoea. The seeds are considered aphrodisiac and are also used for gonorrhoea, cystitis, and colic. In Papua New Guinea and the Philippines, the juice of the leaves mixed with honey is given for dysentery.
An erect herb, often woody and branched at the base, 0.5-2 m tall, stem and petioles covered with patent, long soft hairs; leaves ovate-elliptical, 0.5-6 cm × 0.5-4.5 cm, base cordate to rounded, apex obtuse to acute, margins dentate-serrate, densely and softly hairy on both surfaces, light green, stipules equal; flowers solitary or in clusters of 2-5, pedicel 2-25 mm long, petals truncate, 7-10 mm long, pale yellow; mericarps 9-11, 3-3.5 mm long, awns 2, 2.5-5 mm long, setulose with reflexed bristles. S. cordifolia grows on drier sandy locations, especially near sea-level, often locally abundant.
- Burkill, I.H., 1966. A dictionary of the economic products of the Malay Peninsula. Revised reprint. 2 volumes. Ministry of Agriculture and Co-operatives, Kuala Lumpur, Malaysia. Vol. 1 (A-H) pp. 1-1240, Vol. 2 (I-Z) pp. 1241-2444.
- Holdsworth, D.K., 1977. Medicinal plants of Papua New Guinea. Technical Paper No 175. South Pacific Commission, Noumea, New Caledonia. 123 pp., 739, 785, 786, 788, 810, 832.