Plectranthus barbatus var. grandis (L.H.Cramer) Lukhoba & A.J.Paton

Soft-wooded aromatic shrub to nearly 3 m high, densely clothed in glandular hairs.  Young shoots and young lvs white-tomentose and with sessile glands, viscid.  Petiole to  c. 4 cm long.  Lamina 6–20 × 4–13 cm, broad-ovate or elliptic-ovate, with abundant sessile glands beneath, fewer glands above when mature, ± dentate-serrate;  base narrow-cuneate;  apex ± rounded.  Infl. racemose with remote whorls, sometimes with short lateral branches;  rachis to c. 50 cm long, often purple;  rachis, pedicels, bracts and calyx with viscid glands.  Pedicels < bracts, 5 mm long, declinate;  fls in whorls of 4–10. Calyx 5–8 mm long, accrescent;  tube ± = limb, with long white hairs towards base;  upper lip broad-ovate;  lower 4 teeth lanceolate-subulate.  Corolla 2–2.5 cm long, deep blue, ± hairy outside;  tube ± = limb;  upper lip ± erect, ovate, with lateral lobes small;  lower lip longer,  c. 1.5 cm long, horizontal to slanting downwards or deflexed, boat-shaped.  Stamens declinate in lower lip, united below bend.  Style exserted.  Nutlets  c. 1.7 mm diam., suborbicular, somewhat laterally compressed.  

[From:  Webb et al. (1988) Flora of New Zealand. Volume 4. as Plectranthus grandis (Cramer) Willems]

Flowering: Jan.–Dec.