Taxon Details: Cariniana penduliflora Prance
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Family:

Lecythidaceae (Magnoliophyta)
Scientific Name:

Cariniana penduliflora Prance
Primary Citation:

Brittonia 28: 298. 1976
Accepted Name:

This name is currently accepted.
Type Specimens:

Specimen 1: Holotype -- G. T. Prance
Description:

Author: Ghillean T. Prance, Scott A. Mori & Nathan P. Smith

Type: Brazil. Terr. Rondônia: Road Mutumparand to Porto Velho, 2-4 km east of Mutumparana, 24 Nov 1968 (fl), Prance, Rodrigues, Ramos & Farias 8811 (holotype, INPA; isotypes, MG, NY).

Description: Trees to 12.0 m tall, the young branches glabrescent, not conspicuously lenticellate. Leaves: petioles 12.0-16.0 mm long, slightly winged, glabrous; blades elliptic, 10.0-14.0 x 5.0-8.2 cm, glabrous abaxially, the base rounded, slightly decurrent onto petioles, the margins crenulate, tapering to base from about midpoint, the apex acuminate, acumen 10.0-12.0 mm long, curved; midrib prominulous above, prominent and glabrous beneath, the secondary veins in 25-33 pairs, prominulous on both surfaces, 2.0-5.0 mm apart at base, with distinct domatia at junction with midrib and primary veins, the domatia with a few short hairs or glabrous. Inflorescences terminal and subterminal racemose panicles with many branches, pendulous, the rachis and branches sparsely puberulous, not crustaceous, not lenticellate; pedicels ca. 0.5 mm long. Flowers: calyx 2.5 mm long, turbinate, the lobes triangular, very sparsely puberulous on exterior; petals obovate, ca. 6.0 mm long, orangish red; androecium obliquely zygomorphic, ca. 2.0 mm diam., with ca. 40 stamens inserted all over the inner surface; gynoecium with 3-loculear ovary, the style very short. Fruits and seeds unknown.

Common names: None known. In Brazil many species of Cariniana are called jequitibá.

Distribution: Known only from the type collection in Rondônia, Brazil.

Ecology: This species occurs in non-flooded forest.

Phenology: Flowers have been collected in Nov.

Pollination: There are no observations available for any of the red to orange petaled species of Cariniana.

Dispersal: The fruits and seeds of this species are unknown. It is presumed that this species has unilaterally winged, wind dispersed seeds as found in other species of Cariniana.

Predation: No observations recorded.

Field characters: This species can be recognized by its relatively small size; leaves with petioles 12.0-16.0 mm long and elliptic blades that are 10.0-14.0 cm long with domatia at the junction of midrib and secondary veins (on the abaxial surface); inflorescences that are pendulous and branched; and flowers that are ca. 8 mm diam. with orangish red petals and an obliquely zygomorphic androecium.

Taxonomic notes: Cariniana penduliflora is morphologically similar to C. rubra and C. domestica, having the leaf domatia characteristic of those species. In some respects C. penduliflora is intermediate between C. rubra and C. domestica as it has large leaves similar to those of C. rubra but a leaf shape similar to the leaves of C. domestica. Cariniana penduliflora differs from both of the above species by its longer petioles and in the pendulous inflorescence which is much branched.

Conservation: IUCN Red List: Critically Endangered B1+2c ver 2.3 (Pires O'Brien, J. 1998. Cariniana penduliflora. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. www.iucnredlist.org. Downloaded on 19 February 2014.).

Uses: None known. Many species of Cariniana produce valuable timber.

Etymology: The name refers to the pendulous inflorescences that this species has.

Source: Based on Prance and Mori (1979).

Flora and Monograph Treatment(s):

Cariniana penduliflora Prance: [Article] Prance, Ghillean T. & Mori, S. A. 1979. Lecythidaceae - Part I. The actinomorphic-flowered New World Lecythidaceae (Asteranthos, Gustavia, Grias, Allantoma & Cariniana). Fl. Neotrop. Monogr. 21: 1-270.