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Ourisia macrophylla subsp. macrophylla

Ourisia macrophylla subsp. macrophylla
Photo: Santiago Martín-Bravo, CC BY 4.0

Ourisia macrophylla subsp. macrophylla is a large-leaved, rhizomatous perennial New Zealand foxglove native to the North Island, grown for its white flowers. It needs cool, damp, shaded or sheltered conditions.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep the soil consistently moist but not waterlogged.
Soil
Humus-rich, moisture-retentive soil with good drainage.
Temperature
10–22 °C; protect from hot, dry conditions and sustained heat.
How easy
Moderate

About

Ourisia macrophylla subsp. macrophylla is a subspecies of flowering plant in the family Plantaginaceae that is endemic to the North Island of New Zealand. William Jackson Hooker described O. macrophylla in 1843. Plants of this subspecies of New Zealand foxglove are showy, perennial, large-leaved, tufted, rhizomatous herbs that are often glabrous (hairless) or sometimes hairy with non-glandular or glandular hairs. They have crenate, ovate to heart-shaped leaves. The flowers are in whorls in each node, with a regular calyx, and a large, white irregular corolla. The calyx and floral bracts lack glandular hairs. The corolla tube is yellow with three lines of yellow hairs inside. It is found in montane to subalpine habitats and is listed as Not Threatened.

Where it grows

Ourisia macrophylla subsp. macrophylla is probably endemic to the North Island (in Gisborne, Volcanic Plateau, Waikato, Taranaki, and southern North Island), however a few specimens from Paparoa National Park on could be rare South Island populations of this subspecies. This subspecies is usually found below the bushline, in damp to wet, shaded or sheltered areas in Nothofagus forest, herbfields, or grasslands, near cliffs, tracks, streams or waterfalls, or sometimes just above bushline in subalpine or alpine habitats, from 210 to 1,800 m (690 to 5,900 ft) above sea level. It can be very locally common.

Other Ourisia plants

Ourisia alpina · Ourisia biflora · Ourisia breviflora subsp. breviflora · Ourisia breviflora subsp. uniflora · Ourisia breviflora · Creeping Mountain Foxglove · Ourisia calycina · Ourisia chamaedrifolia · Ourisia coccinea subsp. coccinea · Ourisia coccinea subsp. elegans · Ourisia coccinea · Ourisia confertifolia

Text excerpted from the Wikipedia article Ourisia macrophylla subsp. macrophylla by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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