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Ourisia crosbyi

Ourisia crosbyi
Photo: John Barkla, CC BY 4.0

Ourisia crosbyi is a showy, tufted, rhizomatous perennial herb from the mountain forests of New Zealand's South Island and Stewart Island, valued for its white flowers with yellow throats. It thrives in cool, moist, shaded conditions similar to the damp forest floor where it grows wild.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep the soil consistently moist and never let it dry out completely.
Soil
Humus-rich, moisture-retentive, well-drained loam with plenty of leaf mould.
Temperature
10–20 °C; protect from heat and frost.
How easy
Moderate
Native range
New Zealand South I. (incl. Stewart I.)
Climate
temperate

About

Ourisia crosbyi is a species of flowering plant in the family Plantaginaceae that is endemic to the South Island of New Zealand. Leonard Cockayne described O. crosbyi in 1915. Plants of this species of New Zealand foxglove are showy, perennial, large-leaved, tufted, rhizomatous herbs that are hairy with non-glandular hairs. They have serrate, ovate, hairy leaves. The flowers are in whorls in each node, with a regular calyx, and a large, white irregular corolla. The corolla tube is yellow with three lines of yellow hairs inside. It is found in montane forests and is listed as Not Threatened.

Where it grows

Ourisia crosbyi is endemic to southern South Island, New Zealand, in Westland, Southland, Fiordland and Stewart Island. It is found in montane southern beech forest below the bushline, in damp areas on the forest floor, or near streams or waterfalls, from 0 to 1,050 m (3,440 ft) above sea level.

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 crosbyi 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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