A new species of Combretum from East Borneo

Combretum kostermansii Exell, sp. nov. Frutex scandens, ramulis primo fulvo-pilosis et tomentellis demum sparse pilosis, atro-rubris. Folia opposita breviter petiolata, petiolo 1—3 mm longo, piloso, lamina chartacea, ovata vel oblongo-ovata, basi cordata, apice acuminata, 2—7 X 1.8—3.6 cm, supra nitidula, costa media excepta pilosula fere glabra, subtus ad nervo adpresse pilosula, haud lepidota, costis lateralibus utrinsecus 3—6. Flores ♂+ protogyni, 4-meri, sessiles, albi, in paniculas terminales et axillares, rhachide fulvopiloso, bracteis filiformibus 3—4 mm longis fulvo pilosis dispositi. Receptaculum inferius 1—1.5 mm longum, dense pilosum, superius cupuliforme, 1.5 X 2.5 mm, pilosulum. Calycis lobi ovato-acuminati, 1 X 0.9 mm. Petala 4, late ovata, apiculata, 2 X 1.5 mm, pilosa. Stamina 8, biseriata, filamentis 2.5 mm longis, glabris, primi inflexis, antheris 1 mm longis glabris. Discus inconspicuus. Stylus 4 mm longus, glaber. Ovuli 2.