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Species information Abo ut Reso urces Hom e A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Ventilago viminalis Click on images to enlarge Family Rhamnaceae Scientific Name Ventilago viminalis Hook. Hooker, W.J. (1848) Journal of an Expedition into the Interior of Tropical Australia : 369. Type: Australia; holo: Flowers [not vouchered]. Copyright G. Sankowsky K?. Common name Supplejack; Vine Tree; Medicine Bark Stem Usually grows into a small tree but occasionally flowers and fruits as a shrub. Juvenile plants can exhibit as vine-like growth habit. Leaves and flowers [not vouchered]. Copyright G. Sankowsky Leaves Leaf blades about 5-15 x 0.6-1.2 cm, petioles about 0.5-0.7 cm long. Lateral veins curving inside the blade margin but not forming definite loops. Stipules triangular, about 1 mm long. Flowers Pedicels about 2-3 mm long, calyx about 3 mm long, lobes about 2 mm long, petals absent. Fruit Fruits consist of a +/- globular base about 3-4 mm diam. and a narrowly oblong wing about 20-40 x 7 mm Scale bar 10mm. Copyright CSIRO with a conspicuous midrib running down the middle together with a number of much smaller less conspicuous +/- parallel veins. Seedlings Cataphylls, 4-6 produced before the first true leaves or reduced leaves. First true leaves narrowly elliptic, apex apiculate, base obtuse. Stipules about 0.7 mm long, purplish. At the tenth leaf stage: leaf blade narrowly elliptical, apex acute with a thickened point, base obtuse. Midrib and main lateral veins slightly raised on the upper surface. Stipules narrowly lanceolate, about 0.8 mm long. Seed germination time 18 days. Distribution and Ecology Cotyledon stage, hypogeal germination. Copyright CSIRO Endemic to Australia, occurs in WA, NT, NEQ, CEQ and southwards as far as north-western New South Wales. Altitudinal range from near sea level to 300 m. Usually grows in open forest but sometimes found in monsoon forest and vine thickets. Natural History & Notes This species has been used as drought fodder and is highly regarded in this capacity. However, the high levels of tannin have caused problems in sheep under experimental conditions. Everist (1974). Aborigines of the Broome district in Western Australia used the bark medicinally. Cribb (1981). Shrub (woody or herbaceous, 1-6 m tall) 10th leaf stage. Copyright CSIRO X Tree X Vine X RFK Code 1105 CC-BY Australian Tropical Herbarium unless otherwise indicated in the images..

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