Caldcluvia

Caldcluvia is a monotypic genus of flowering plants in the family Cunoniaceae. The only species in the genus is Caldcluvia paniculata, known as tiaca, an evergreen tree native to Chile. It is found from Ñuble to Aisén (36 to 45°S). Most species that were previously placed in the genus are now placed in Ackama, Opocunonia and Spiraeopsis.

==Description== Caldcluvia paniculata can grow up to 20 m (65 ft) in height and up to 60 cm (24 in) in diameter. The bark is grayish brown. The leaves are oppositely arranged, have toothed edges, and are oblong and lanceolate shaped. Leaf size is 7-15 cm long, 2–4 cm wide, with the apex and base acute. Leaf color is glossy green above and whitish and somewhat hairy below. The petioles are fluted and hairy about 0-7-1 cm long. The white flowers clustered in axillary peduncles are hermaphrodite, peduncles and pedicels are hairy, 4-5 hairy sepals and more or less imbricate, 4 –5 petals alternate to the sepals. 8-10 stamens, 2 styles. The fruit is an acuminate capsule, hairy and crowned by persistent styles, inside of which there are dark brown seeds about 1 mm long.