Coelospermum paniculatum var. syncarpum J.T.Johanss.
Johansson, J.T. (1988) Blumea 33(2): 285, Figs 6, 12c. Type: Hyland 5700, Australia, Queensland, Danbulla between Kauri and Robson Creeks, 680 m, 23 Nov. 1971 (BRI, holo; K, L).
Vine stem diameters to 10 cm recorded. Living bark layer quite thick. Numerous hard, brown or orange-brown granular fibres or lines visible in the blaze.
Inflorescence a panicle; partial inflorescence components a capitula of several flowers with connate ovaries; inflorescence branches and pedicels sparsely hairy to nearly glabrous. Flowers about 11-14 mm diam. Pedicel often lacking (flower sessile). Hypanthium about 3 mm long. Calyx tube cupular, about 1.5 mm long, calyx lobes absent. Corolla tube about 3-7 mm long, densely clothed with hairs on the inner surface. Corolla lobes about 5-7.5 mm long. Staminal filaments about 2-4 mm long, attached to the upper half of the corolla tube. Anthers about 3-4.7 mm long. Pollen orange. Style about 2.2-7.5 mm long, apex bifid.
Fruits a drupe or a syncarp, variable in size and shape, globular to variously lobed, usually more than 10 mm long and up to 13-18 mm diam. Surface of the fruits usually marked by one or more circular scars from the original individual flowers. Pyrenes +/- kidney-shaped, quite hard and difficult to cut, each pyrene about 7 mm long. Seeds about 5-6 x 3 mm, one per pyrene. Embryo about 2-4 mm long. Radicle about as long as the cotyledons but not as wide. Radicle broadest towards the base.
Cotyledons ovate, about 17-24 x 8-12 mm. At the tenth leaf stage: leaf blade about 15 x 4 cm. A few small foveoles with a narrow slit-like orifice visible on the underside. 'Oil dots' elongated. Stipules forming a sheath around the stem and abruptly narrowed to a point at the apex. Seed germination time 105 days.