Plectranthus leiperi  |  

Plectranthus leiperi

Status: Vulnerable on the EPBC Act list

Plectranthus leiperi, Family Lamiaceae, is a strongly aromatic herb to 50 cm tall with square
stems. Leaves are opposite, fleshy, oval-shaped, silvery-green and hairy above, paler green
below, with 11Ð17 teeth on each margin. Inflorescences are terminal spikes up to 18 cm long
with clusters (verticillasters) of 10Ð12 small purple two-lipped flowers, 10Ð13 mm long. The
fruiting calyx is 2.5Ð3.8 mm long. Plectranthus leiperi is similar to P. suaveolens but differs
in having green rather than silver foliage, the absence of sessile (not stalked) glands, and a
shorter fruiting calyx (Forster, 1994; Queensland Herbarium, 2008).

Government evidence of impact of climate change:

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  • Australian Government, Conservation Advice, Plectranthus leiperi

    The main potential threats to the species include competition from introduced weeds such as Lantana (Lantana camara) which can overgrow rocky areas and increase fuel loads and subsequent fire intensity (P.I.Forster; 2008; pers. comm.) and trampling of plants at one location near a popular local swimming hole (Forster; 1994).

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