Cinchona micrantha
Cinchona micrantha
Cinchona micrantha is a species of flowering plant in the family Rubiaceae. It is a tree with thin leaves, white flowers, and capsule fruits. The species is native to Peru. Cinchona micrantha was described in 1799, and is listed as of Least Concern by the IUCN.
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Cinchona Micrantha. Wellcome M0001372Illustrations of medical botany (Plate XLIV) BHL5878552
Medical Herbal; Cinchona Micrantha. Wellcome M0001598
Display case of specimens of cinchona micrantha barkCinchona Micrantha. Wellcome M0001372Illustrations of medical botany (Plate XLIV) BHL5878552Overview
The leaves are papery when dry, thin, ovate to obovate, 7.6-27 cm in long, and 5-17 cm in wide. The leaves have domatia between the veins. The leaf stems are 1.2-3.8 cm in long.
The calyx is 1.1-1.6 mm in long, with 0.3-0.7 mm in long lobes. The corolla is a white tube, measuring 5.1-7.3 mm in long, with 2.7-4.4 mm in lobes.
The fruit is a dehiscent, ovoid to subcylindrical capsule, measuring 8-30 mm in long, and 4-7 mm in wide. The endocarp is papery. The seeds are 6.4-9.3 mm in long, and 1.3-2.8 mm in wide.
Life cycle
From seed to productSeed & germination
The plant is propagated mainly by **seed**: sow fresh or pre-treated seed in loose, moist soil and keep it evenly damp; germination follows within a few weeks.
Seedling & growth
Seedlings establish, forming leaves and roots; growth rate depends on light and moisture.
Flowering
The plant blooms with **fragrant white-pink flowers, late spring–summer**; pollination is by insects and wind.
Fruiting & harvest
After flowering the plant sets fruit and seed; **ripe capsules gathered in autumn–winter**.
Distribution & origin
Share of recorded occurrences by region- Peru37%
- Bolivia8%
- India4%
- Indonesia3%
- Jamaica2%
- Colombia1%
- Ethiopia1%
- Other regions44%
Habitat & conservation
Cinchona micrantha is native to the wet tropical biome of eastern Peru. It grows at elevations of 500-3000 m ft, on the eastern slopes of the Andes.
Conservation
In 2022, the IUCN assessed Cinchona micrantha as of Least Concern.
References
- 1Cinchona micrantha — Wikipedia — Wikipedia (CC BY-SA 4.0), 2026
- 2A revision of the genus Cinchona (Rubiaceae-Cinchoneae) — New York Botanical Garden, 1998
- 3''Cinchona micrantha'' Ruiz & Pav. — CatalogueOfLife.org,
- 4GBIF — occurrence records of Cinchona micrantha — GBIF, 2026
- 5Hình ảnh — Wikimedia Commons (4 ảnh, giấy phép CC/PD) — Wikimedia Commons, 2026