A new Dichapetalum from the Solomon Islands (Dichapetalaceae)

Liana dioica (?). Ramuli dense fulvo-tomentosi, glabrescentes, in partibus vetustioribus purpureo-brunnei, passim lenticellati. Folia c. 1 cm longe petiolata, elliptica, 16—20 cm longa, 9—11 cm lata, chartacea, juniora in costa nervisque fulvo-pilosa, matura subglabra, subtus sparse minute glandulosa, basi rotundata parum attenuata, apicem versus gradatim late acuminata, apice ipso obtusa, nervis utroque latere 6—8, curvatis, 2 vel 3 superioribus ante marginem conspicue arcuato-conjunctis. Inflorescentiae breviter (2—5 mm) crasseque pedunculata, ramis 2 scorpioideis c. 1½ cm longis, densifloris, breviter denseque fulvopilosis. Flores unisexuales, gemmis femineis tantum visis. Calyx 5-merus, sepalis 2½—3 mm longis, extus dense fulvo-pilosis, intus sparse appresse breviter pilosis. Petala sat profunde bifida, extus parce appresse pilosa. Staminodia libera, glabra. Disci lobi breves, lati, irregulariter bi- vel trilobati, margine lanati. Ovarium dense fulvo-lanatum, bicarpellatum; stylus 1, brevis, stigmatibus 2 patentibus. Fructus (1-ovulatus) applanato-semiellipsoideus, 20 mm longus, 13 mm latus, 9 mm crassus, dense fulvo-velutinus, sutura lata praedita. Type: Solomon Islands, Treasury Group, Mono Island, T. C. Whitmore BSIP 4175, 28-4-1964 (holotype in L, isotype in BSIP), ‘Secondary forest on rocky sandstone slope behind village. Woody climber with the forest canopy. Flowers cream. Fruits pinkorange, containing a single orange seed.’