Taxon Details: Corythophora rimosa W.A.Rodrigues
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Protologue of Corythophora rimosa.
Protologue of Corythophora rimosa.Family:
Lecythidaceae (Magnoliophyta)
Lecythidaceae (Magnoliophyta)
Scientific Name:
Corythophora rimosa W.A.Rodrigues
Corythophora rimosa W.A.Rodrigues
Primary Citation:
Acta Amazonica 4: 5. 1974
Acta Amazonica 4: 5. 1974
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Author: Scott A. Mori and Ghillean T. Prance
Type: Type. Brazil. Amazonas: Nr. Manaus, rather frequent in non-inundated forest, 11 May 1966 (fl), W. Rodrigues & D. Coelho 7830 (holotype, INPA, herb. no. 17133; isotype, INPA).
Description: Canopy trees, to 30 m tall. Twigs 2.5-4 mm diam., with horizontally oriented cracks, the new twigs reddish. Bark brown, with deep vertical fissures, the outer bark very thick, the inner bark red. Leaves not deciduous just before flowering; petioles 7-19 mm long; blades elliptic, 4-16 x 2-9 cm, glabrous, coriaceous, the base obtuse to rounded, the margins undulate, minutely crenulate, the apex acuminate; secondary veins in 12-18 pairs, these impressed adaxially. Inflorescences terminal or in axils of uppermost leaves, with two orders of branching, 15-26 x 10-25 cm, all rachises ferrugineous, with horizontally oriented squamulae; pedicel subsessile, jointed, the lower part persisting as knob 1 mm or less long after flowers fall. Flowers ca. 2.5 cm diam.; calyx of 6 broadly ovate or triangular lobes, 1.5-3.5 x 1.5-3 mm, not imbricate at bases, rounded or acute at apices; petals 6, ovate to suborbiculate, 5-13 x 4-8 mm, yellow or green in central Amazonia or red in French Guiana and eastern Amazonia; androecium: hood of flat, only slightly expanded dorsiventrally, white to yellow, 11-12 x 10 mm, the appendages well developed, with yellow anthers; staminal ring with 50-70 stamens, the filaments 1-2.5 mm long, the anthers 0.3-0.5 mm long; hypanthium glabrous, black, truncate at base; ovary 2(-5)-locular, each locule with 4-7 ovules attached at base, the summit umbonate, ca. 1 mm high, the style not differentiated. Fruits campanulate, 8-12 x 8-11.5 cm, the pericarp 18-28 mmin diam. Seeds elongate, to 50 x 20 mm, light to dark reddish brown, verrucose; aril basal.
Distribution: This species is distrubted from central to eastern Amazonian Brazil and French Guiana.
Ecology: See each subspecies.
Pollination: See each subspecies.
Dispersal: See each subspecies.
Predation: No observations recorded.
Taxonomic notes: Corythophora rimosa is morphologically similar to C. alta. For discussion of their differences see the latter species. The species is divided into two subspecies based on flower color. In other respects, e.g., the deeply fissured bark, androecial hood with anthers with fodder pollen, and the campanulate fruit, the subspecies are difficult to separate. The two subspecies are geographically separate with subsp. rimosa endemic to central Amazonia and subsp. rubra restricted to French Guiana and Amapá.
Field characters: See each subspecies.
Etymology: The specific epithet refers to the deeply fissured bark.
Conservation: Not on IUCN Red List (Jan 2014).
Uses: None recorded
Source: The species page and subspecies pages are based on Mori & Prance, 1990.
Acknowledgements: We are grateful to J. Dellome Filho for allowing us to use the line art to illustrate the characters of this species.
Author: Scott A. Mori and Ghillean T. Prance
Type: Type. Brazil. Amazonas: Nr. Manaus, rather frequent in non-inundated forest, 11 May 1966 (fl), W. Rodrigues & D. Coelho 7830 (holotype, INPA, herb. no. 17133; isotype, INPA).
Description: Canopy trees, to 30 m tall. Twigs 2.5-4 mm diam., with horizontally oriented cracks, the new twigs reddish. Bark brown, with deep vertical fissures, the outer bark very thick, the inner bark red. Leaves not deciduous just before flowering; petioles 7-19 mm long; blades elliptic, 4-16 x 2-9 cm, glabrous, coriaceous, the base obtuse to rounded, the margins undulate, minutely crenulate, the apex acuminate; secondary veins in 12-18 pairs, these impressed adaxially. Inflorescences terminal or in axils of uppermost leaves, with two orders of branching, 15-26 x 10-25 cm, all rachises ferrugineous, with horizontally oriented squamulae; pedicel subsessile, jointed, the lower part persisting as knob 1 mm or less long after flowers fall. Flowers ca. 2.5 cm diam.; calyx of 6 broadly ovate or triangular lobes, 1.5-3.5 x 1.5-3 mm, not imbricate at bases, rounded or acute at apices; petals 6, ovate to suborbiculate, 5-13 x 4-8 mm, yellow or green in central Amazonia or red in French Guiana and eastern Amazonia; androecium: hood of flat, only slightly expanded dorsiventrally, white to yellow, 11-12 x 10 mm, the appendages well developed, with yellow anthers; staminal ring with 50-70 stamens, the filaments 1-2.5 mm long, the anthers 0.3-0.5 mm long; hypanthium glabrous, black, truncate at base; ovary 2(-5)-locular, each locule with 4-7 ovules attached at base, the summit umbonate, ca. 1 mm high, the style not differentiated. Fruits campanulate, 8-12 x 8-11.5 cm, the pericarp 18-28 mmin diam. Seeds elongate, to 50 x 20 mm, light to dark reddish brown, verrucose; aril basal.
Distribution: This species is distrubted from central to eastern Amazonian Brazil and French Guiana.
Ecology: See each subspecies.
Pollination: See each subspecies.
Dispersal: See each subspecies.
Predation: No observations recorded.
Taxonomic notes: Corythophora rimosa is morphologically similar to C. alta. For discussion of their differences see the latter species. The species is divided into two subspecies based on flower color. In other respects, e.g., the deeply fissured bark, androecial hood with anthers with fodder pollen, and the campanulate fruit, the subspecies are difficult to separate. The two subspecies are geographically separate with subsp. rimosa endemic to central Amazonia and subsp. rubra restricted to French Guiana and Amapá.
Field characters: See each subspecies.
Etymology: The specific epithet refers to the deeply fissured bark.
Conservation: Not on IUCN Red List (Jan 2014).
Uses: None recorded
Source: The species page and subspecies pages are based on Mori & Prance, 1990.
Acknowledgements: We are grateful to J. Dellome Filho for allowing us to use the line art to illustrate the characters of this species.
Flora and Monograph Treatment(s):
Corythophora rimosa W.A.Rodrigues: [Article] Mori, S. A. & Prance, Ghillean T. 1990. Lecythidaceae - Part II: The zygomorphic-flowered New World genera (Couroupita, Corythophora, Bertholletia, Couratari, Eschweilera, & Lecythis). With a study of secondary xylem of Neotropical Lecythidaceae by Carl de Zeeuw. Fl. Neotrop. Monogr. 21: 1-376.
Corythophora rimosa W.A.Rodrigues: [Article] Mori, S. A. & Lepsch da Cunha, Nadia M. 1995. The Lecythidaceae of a central Amazonian moist forest. Mem. New York Bot. Gard. 75: 1-55.
Corythophora rimosa W.A.Rodrigues: [Article] Leuenberger, Beat E. 1986. Pereskia (Cactaceae). Mem. New York Bot. Gard. 41: 1-140.
Corythophora rimosa W.A.Rodrigues: [Article] Mori, S. A. & Prance, Ghillean T. 1990. Lecythidaceae - Part II: The zygomorphic-flowered New World genera (Couroupita, Corythophora, Bertholletia, Couratari, Eschweilera, & Lecythis). With a study of secondary xylem of Neotropical Lecythidaceae by Carl de Zeeuw. Fl. Neotrop. Monogr. 21: 1-376.
Corythophora rimosa W.A.Rodrigues: [Article] Mori, S. A. & Lepsch da Cunha, Nadia M. 1995. The Lecythidaceae of a central Amazonian moist forest. Mem. New York Bot. Gard. 75: 1-55.
Corythophora rimosa W.A.Rodrigues: [Article] Leuenberger, Beat E. 1986. Pereskia (Cactaceae). Mem. New York Bot. Gard. 41: 1-140.