Scale bar 10mm. Copyright CSIRO
Leaves and fruit. Copyright CSIRO
Fruit. Copyright CSIRO
Trichosanthes holtzei F.Muell.
Mueller, F.J.H. von (1886) The Australasian Journal of Pharmacy 1: 447. Type: Northern Territory, near Port Darwin, M. Holtze 432; holo: MEL.
A slender vine not exceeding a stem diameter of 2 cm.
Leaves emit an unpleasant odour when crushed. Leaf blades about 4-13 x 4-11 cm, petioles about 1.2-6.5 cm long. Leaf blades usually broadly 3-lobed, upper and lower surfaces clothed in hairs (usually lacking glandular tips) petioles and leaf-bearing twigs clothed in short, erect glandular or simple hairs. Two dark green glands (one on each lobe) visible on the underside of the leaf blade close to the intersection of the petiole. Tendrils branched, attached near the leaf axils, +/- leaf-opposed.
Male flowers: Flowers produced in a raceme on a long peduncle about 5-7 cm long. Pedicels about 2.5-3 cm long. Flowers about 30 mm diam. Calyx tube (hypanthium) about 30-40 long. Calyx lobes (sepals) triangular, recurved, about 3-6 mm long. Petals about 9-10 x 6 mm excluding the hairs or fimbriations. Hairs or fimbriations up to 20 mm long. Anther locules shaped like a horizontal S. Pollen white or translucent.
Fruits about 45-50 x 30-55 mm. Seeds numerous, immersed in an orange-yellow flesh. Seeds about 8-9 x 8-10 mm, 3-locular. Embryo about 6-8 mm long, cotyledons rather thick, about 6-7 x 3 mm. Radicle about 1-1.2 mm long.
Features not available.
Distribution and Ecology
Endemic to Australia, occurs in NT, CYP and NEQ. Altitudinal range from near sea level to 1000 m. Grows in vine thicket, monsoon forest and the drier more seasonal rain forests.