Yellow flag iris forms dense growth along riverbanks and the fringes of ponds, competing with indigenous species and altering water flow. It is a perennial moisture-loving plant with yellow flowers and long, strap-like leaves. It reaches a height of 100-150cm.
Leaves: Long, strap-like leaves, green to bluish-green and erect, with the upper part bending over. Leaves 1m long and 30mm wide.
Flowers: Large yellow flowers with three narrow and three broad lobes 70mm long and 40mm wide.
Bluebell creeper is native to south-western Australia. It is a medium-sized climbing shrub. The branches climb and twirl around other plants and man-made structures. It has dark green, glossy leaves about 50mm long. There is a distinctive mid-vein and the leaf is hairless. Flowers appear from spring to summer and are usually blue-mauve in colour, but some plants produce pink or white flowers. Each flower is bell-shaped with five petals and occur in drooping clusters of 1-5 flowers at the tips of the branches. The fruits are green turning purple green, cylindrical in shape and about 20mm long.
A plant of European origin, it is an erect, hairy perennial that can reach up to 2m high. It has 30-50 stems and forms wide-topped crowns. The stems are reddish-purple or red to purple and square in cross-section and the downy leaves are lance-shaped. Showy spikes of rose-purple flowers appear in summer. The flowers are10-20mm in diameter, with six petals (occasionally five) and 12 stamens, clustered tightly in the axils of bracts or leaves. The fruit is a small 3-4mm capsule containing numerous minute seeds.
A 1-3m high shrub native to Europe with unarmed, slender, erect, very leafy, green branches; young branches are ridged and hairy. Short racemes of 3-9 flowers positioned at the tips of lateral branches. Flowers are pea-like, bright yellow, up to 13mm long; flowering from August-January. Seed pods are rusty brown, covered with silky hairs, usually with 5-8 seeds per pod.
An erect or spreading shrub or tree 3-6m tall native to Australia. The bark smooth and flowers appear from July to October. Seed pods are more or less straight, raised over seeds, straight-sided, usually 4-10cm long, 2-5mm wide, papery to thinly leathery.
A densely leafed, spiny shrub from Australia growing to 3m tall and 3,5m wide. Heads of bright yellow, fluffy blooms appear in August to October. The flower heads plus the stalk are about equal to the length of the leaf. The seed pods are short-stalked, brown, straight or slightly curved, cylindrical, 4-7cm long and about 0,5cm wide. They are typically rounded over the seeds, and very rarely narrowed between seeds.
Mauritius hemp is an evergreen perennial shrub that has a short stem up to 1m high. The leaves are sword-shaped and to a sharp spine tip at the apex and usually have some widely-spaced hooked prickles (4-10 mm long) along their lower margins. Leaves are pale green or bright green in colour. The flowers are greenish to creamy white, 4cm long and strongly scented. They are produced on a large inflorescence up to 12m tall
A multiple branched large shrub or small tree from New South Wales in Australia that grows up to 4,5m tall. It is erect at first and then spreading. Very firm papery to corky bark and the oblong leaves occur in opposite pairs. Small orange-red flowers are borne on showy, dense spikes from spring to early summer.
An erect or spreading tree 5-12m high, that often suckers (shoot rising from a woody plant, often some distance away from the main stem) freely, native to Australia. Pale yellow to cream fluffy ball-shaped flowers appear in summer. There are usually 4-8 flowers on each raceme. A highly distinguishing feature is the seed pods, which are curved to twisted or coiled, raised over seeds, 6-20cm long, 4-7mm wide, and firmly papery to leathery.