Korikori.—A species of ranunculus.
Koromiko.—Veronica salcifolia. A common shrub, with lilac or white flowers, lanceolate leaves; frequent all over interior; grows luxuriantly around southern and western region of Lake Taupo. A decoction of the leaves is valuable in dysentery. The foliage is eaten readily by cattle.
Koropuku.—A plant with a red berry, common in the vicinity of Tongariro.
Koru.—A blue and white flower.
Kotukutuku.—Fuchsia excorticata. A spreading tree-like shrub, leaves ovate lanceolate; bears a purple berry, yields a dye of the same colour; met with in all parts of interior.
Kowhitiwhiti.—Watercress.
Kalakuta.—A white flower.
Manuka.—Leptospermum ericoides. A tree-like shrub, widely distributed all over interior; finest specimens met with in the Geyser Valley, Wairakei.
Mataroa.—A flax-plant.
Matuakumara.—A plant.