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Impatiens hochstetteri subsp. hochstetteri

Nominate subspecies of a Himalayan perennial flowering plant in the Balsaminaceae family, native to the Himalayas (India and Nepal), thriving in moist, shady spots with bright yellow flowers and red centers.

Common Names

Hochstetter's Touch-Me-Not, Hochstetter's Balsam, Hochstetter's Impatiens, Wild Balsam, Common Wild Forest Impatiens, Ihlula, Kruidjie-Roer-My-Nie, Umadolwane

Summary

Native to tropical and southeastern Africa, including South Africa and Eswatini, the plant is an annual or subshrub that grows in moist shaded forest floors along streams and sometimes rock crevices, up to about 65 cm tall, with spirally arranged, ovate-lanceolate to narrowly elliptic leaves 4–10 cm long that are thinly hairy on the underside and glossy dark green; new growth can be purplish red and green; flowers are axillary, solitary or in small clusters, mostly pale pink with white on the back and two spots at the base of the posterior sepal, featuring butterfly-like lower petals and a thread-like spur about 8–24 mm, blooming almost year-round; and the fruit is a capsule with seeds that disperse explosively on touch, aided by water flow in forest streams.

Cultivation and practical uses: prefers cool, shady areas near water in moist, shaded soil; can be propagated from seeds or cuttings; seed propagation involves harvesting after bloom, sowing on the surface of a light seed-starting mix with light, indoors 2–3 months before the last frost, keeping the soil warm and moist; cuttings of firm green stems about 10–15 cm long are prepared with a 45-degree cut below a node, allowed to callus, and rooted in soil or water, with soil kept moist and good airflow; post-propagation care calls for bright indirect light and managing pests such as spider mites with non-toxic miticides if needed; uses include leaf and stem infusions for eczema and ground cover when planted in shade.

Lifecycle

Perennial

Height

1-2 feet

Sunlight Requirements

Ideally partial shade, also listed as full sun or full shade.

Soil Type

Moist, well-drained soil.

Soil Drainage

Moist, well-drained soil

Bloom Color

Pale pink to mauve

Bloom Time

All year round

Foliage Color

Dark green

Fall Foliage Color

Dark green

Leaf Lifecycle

Evergreen broadleaf

Growth Rate

Fast

Seasons of Interest

Spring, Summer, Fall, Winter

Propagation Methods

Seeds, Cuttings, Division

Taxonomy

Taxonomic Rank
Subspecies
Publication
Unknown

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Ericales
Family
Balsaminaceae
Genus
Impatiens
Species
Impatiens hochstetteri

Synonyms

Balsamina capensis Impatiens gilgii Impatiens micrantha Impatiens duthieae Impatiens marlothiana Impatiens capensis

References

African Herbaria Portal - Impatiens hochstetteri s…. african-plants.org.
Propagating Impatiens hochstetteri : Step-by-Step …. greg.app.
Impatiens hochstetteri. growwild.co.za.
Impatiens hochstetteri subsp. hochstetteri | Plant…. powo.science.kew.org.
Impatiens hochstetteri subsp. hochstetteri | Plant…. pza.sanbi.org.
Threatened Species Programme | SANBI Red List of S…. redlist.sanbi.org.
Impatiens hochstetteri. species.data.kew.org.
Flora of Malawi: Species information: Impatiens ho…. malawiflora.com.
Impatiens hochstetteri | /RHS. rhs.org.uk.
Impatiens hochstetteri (Hochstetter's Impatiens, H…. selinawamucii.com.
Flora of Zimbabwe: Species information: individual…. zimbabweflora.co.zw.
World Flora Online. worldfloraonline.org. June 2024.