Plant of the Month

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Plant of the Month - May by Allan Carr Zieria minutiflora Twiggy Zieria Pronunciation: ZEER-ee-a my-new-te-FLOR-a RUTACEAE Derivation: Ziera, after Johannis Zier, 18th-century Polish botanist. Sir James E. Smith described and named the genus in memory of his friend ‘Jan’ Zier, who died in London in 1796; minutiflora, from the Latin, minutus – small or paltry and flos, floris – a flower (insignificant flowers). Trifoliolate leaves, flowers Leaves, flowers, fruits Zieria is a genus of about 60 species and all are confined to Australia except Z. chevalieri which occurs in New Caledonia. 35 of these are found in eastern Queensland. Description: Z. minutiflora is a small, erect, twiggy shrub to about 50 cm with hairy stems. It is found in open forests and woodlands from north-eastern Queensland to Coff’s Harbour in north-eastern New South Wales on sandy or rocky coastal areas such as Lagoon Creek and Mount Ngungun where these photos were taken. Leaves are opposite and trifoliolate with *obovate leaflets to 15 mm x 9 mm. and they are green above and sparsely hairy below. Leaf margins are *entire and can be recurved as seen here and with a blunt or notched apex. On some plants the leaves are strongly aromatic when crushed. (Some Zieria species contain toxic compounds.) Flowers are small and white in *axillary clusters to 2 or 3 mm across. Some can be pale pink. These flowers have 4 petals and 4 stamens and flowering occurs mainly from November to May. Many insects visit the flowers for nectar which has a sweet honey fragrance. Fruits up to 2.5 mm are dry capsules with 4 two-valved segments. Propagation from seeds can be unreliable. In common with many other Rutaceous plants cuttings give better results. *obovate = inversely ovate (upside down egg shaped); wider at tip like an egg upside down *entire = free from irregularities (such as tooth shapes) *axillary = arising from the angle between leaf and stem Habit .

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Conservation Advice Zieria Parrisiae J.D. Briggs & J.A. Armstr. (Rutaceae)
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