A new Merremia from New Guinea (Convolvulaceae)

Planta herbacea, caulibus gracilibus, scandentibus vel prostratis?, sparse patule pilosis, glabrescentibus. Folia breviter petiolata, petiolis 3—5 mm longis, sparse patule pilosis, lanceolata vel lineari-lanceolata vel interdum oblonga, (2.5—)5—7 cm longa, 6—10 mm lata, basi rotundata, apice acuta mucronulata, in marginibus adpresse pilosa, ceterum sparse pilosa vel glabra, nervis lateralibus utrinque 4—6 ascendentibus. Inflorescentiae axillares, pedunculatae, 1-florae; pedunculis 2—4(—6) cm longis, gracilibus, sparse patule pilosis vel glabris; pedicellis apicem versus incrassatis, verruculosis, 6—10 mm longis; bracteis minutis, subulatis. Sepala aequaba vel interiora subbreviora, 12—15 mm longa, exteriora 2 crassiuscula, ovato-lanceolata vel anguste ovata, apicem acutum versus attenuata vel acuminata, dorso verruculosa et sparse breviter pilosa, interiora 3 membranacea, oblonga, cuspidata, laevia et glabra vel sepalum tertium ad basin verruculosum. Corolla infundibuliformis, verisim. c. 2—2.5 cm longa, glabra, flava. Stamina inclusa, filamentis 6—7 mm longis, c. 2.5 mm supra basin corollae insertis, basi breviter pilosis, antheris maturis contortis, c. 3—3.5 mm longis. Discus annularis. Ovarium pilosum; stylo incluso, c. 8—10 mm longo, glabro. NEW GUINEA. W. New Guinea: Kebar Valley, Andjai, c. 600 malt., on grassland, rather common, herb, flowers yellow, 6-9-1959, V. W. Moll B. W. 9511 (L, type; LAE).