Boronia keysii, Family Rutaceae, also known as Key’s Boronia, is an open, thin stemmed sprawling shrub up to 2 m in height, with secondary branches typically in one plane. Leaves are in opposite pairs and of two types; simple and pinnate. Simple leaves are lanceolate, up to 3 cm long and borne on winged stalks. Pinnate leaves have three, five or seven leaflets; the terminal leaflet is similar in shape and size to the simple leaves and twice the size of lateral leaflets. Flowers are deep rose-pink to pink and occasionally white, and occur in clusters of two to six. The fruits split explosively to release smooth black seeds 4 mm long. It is distinguished from related species by the covering of short, golden-brown star-shaped hairs that cover the entire plant. Flowering occurs chiefly from May to November.
Key's Boronia |
Status: Vulnerable on the EPBC Act list
Government evidence of impact of climate change:
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Australian Government, Conservation Advice, Boronia keysii
Threats The main identified threats to Key s Boronia are habitat modification and degradation including changes to the water table; inappropriate fire regimes; and invasion of exotic pine species from nearby plantations (Sandercoe; 1989 1992).
Frequent fire (3 4 years) is therefore considered a threat; as it would kill plants before seeding (Wang Borsboom 1998).