Passiflora tessmannii Harms 1926

7. Passiflora tessmannii Harms (1926: 978) (Figure 7d) Type:— PERU. Loreto: Río Marañon, mouth of Río Santiago, 04°24’55”S 77°38’44”W, October 1924 (fl.), G. Tessmann 4385 (holotype: B (destroyed); lectotype US 00115118!). Notes:— Passiflora tessmannii is among a small group of species with a distinct umbrella-like structure (trochlea) developed along the base of the androgynophore. It produces masses of flowers on very short peduncles in arrangements of two per foliar node. The corona is short (<1 cm), apically dolabriform, with an erect, filamentose to papillose inner series. It is easily distinguished from the only other trochlea-bearing species (P. trochlearis Jørg. 1998: 379) by its broadly ovate (vs. ovate-lanceolate) leaves and Amazonian distribution. Only two records of P. tessmannii are known from east Ecuador, where this rare species is found in the transitional sub-Amazonian forests in the northern fringes of Cordillera del Condór of Morona-Santiago and Pastaza provinces. It is found growing along clearings and riverbeds of dense tropical wet forest at elevations between 800 and 1500 m above sea level.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-04-15
DOI
https://doi.org/10.5281/zenodo.16702506
Primary Topic
Plant Diversity and Evolution
Type
article
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article

Passiflora tessmannii Harms 1926

Zenodo (CERN European Organization for Nuclear Research)
Plant Diversity and Evolution
article

Passiflora tessmannii Harms 1926

article en

Abstract

7. Passiflora tessmannii Harms (1926: 978) (Figure 7d) Type:— PERU. Loreto: Río Marañon, mouth of Río Santiago, 04°24’55”S 77°38’44”W, October 1924 (fl.), G. Tessmann 4385 (holotype: B (destroyed); lectotype US 00115118!). Notes:— Passiflora tessmannii is among a small group of species with a distinct umbrella-like structure (trochlea) developed along the base of the androgynophore. It produces masses of flowers on very short peduncles in arrangements of two per foliar node. The corona is short (<1 cm), apically dolabriform, with an erect, filamentose to papillose inner series. It is easily distinguished from the only other trochlea-bearing species (P. trochlearis Jørg. 1998: 379) by its broadly ovate (vs. ovate-lanceolate) leaves and Amazonian distribution. Only two records of P. tessmannii are known from east Ecuador, where this rare species is found in the transitional sub-Amazonian forests in the northern fringes of Cordillera del Condór of Morona-Santiago and Pastaza provinces. It is found growing along clearings and riverbeds of dense tropical wet forest at elevations between 800 and 1500 m above sea level.

Zenodo (CERN European Organization for Nuclear Research)
Universidad Técnica Particular de Loja (EC), University of Auckland (NZ), Escuela Superior Politecnica del Litoral (EC), University of Guayaquil (EC), Royal Botanic Gardens, Kew (GB), FHNW University of Applied Sciences and Arts Northwestern Switzerland (CH), Universidad de Las Américas (EC), Universidad CLAEH (UY)
Life in Land
Openalex Percentile: Top 65%
Plant Diversity and Evolution
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