Cinchona hirsuta

Cinchona hirsuta is a species of flowering plant in the family Rubiaceae. It is a tree with papery leaves, reddish flowers, and capsule fruits. The species is native to Bolivia and Peru.

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Cinchona hirsuta is a tree that grows up to 12 metres (39 ft) tall. The leaf stems are 0.3–1.5 centimetres (0.12–0.59 in) long. The leaves are elliptical to obovate, firm and papery, 5.4–11 centimetres (2.1–4.3 in) long, and 1.9–6.8 centimetres (0.75–2.68 in) wide. The leaves may have small domatia. The calyx is 3.6–6 millimetres (0.14–0.24 in) long, and has 2.5–4 millimetres (0.098–0.157 in) long lobes. The corolla is reddish, 12–18 millimetres (0.47–0.71 in) long, and tube-shaped. The corolla has 4.4–9.6 millimetres (0.17–0.38 in) long lobes. The fruit is a more or less ellipsoid capsule, which is 12–31 millimetres (0.47–1.22 in) long, and 9–12 millimetres (0.35–0.47 in) wide. The capsule has a woody endocarp. The seeds are 6.5–12 millimetres (0.26–0.47 in) long, and 2.8–4.3 millimetres (0.11–0.17 in) wide.

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