Plectranthus caldericola P.I.Forst. APNI*
Description: Faintly lemon-scented subshrub to 50 cm high; branches densely covered with spreading hairs (hairs 6–10-celled) and sparsely covered with sessile glands.
Leaves with lamina broadly ovate to almost lobate, 10–50 cm long, 10–50 cm wide; apex rounded; base cordate; margin crenate-toothed with 7–9 pairs of teeth; upper surfaces sparsely hairy with sessile glands; lower surface densely covered and densely glandular (glands sessile); petiole 5–33 cm long.
Calyx 1.8–2 mm long, elongating to 3.5 mm in fruit. Corolla 6–9 mm long, dark purple; tube 3–4 mm long, more or less straight to slightly curved at an angle of 160° -170° (2–3 mmm from base); lobes with scattered sessile glands.
Mericarps more or less globular, slightly flattened, 0.6–0.7 mm long, glossy brown.
Flowering: Recorded as flowering in April.
Distribution and occurrence: Only known from The Pinnacle, Border Ranges National Park.
Growing on rocky outcrops formed of porphyritic basalts in shrubland dominated by Leptospermum polygalifolium.
NSW subdivisions: NC
Possibly of hybrid orgin between P. graveolens and P. parviflorus.
Text by BJ Conn (2012)
Taxon concept: P.I. Forster (2011)
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