Mountain papaya

Names and Synonyms

Common Names

• Mountain papaya
• mountain papaya
• Mountain pawpaw

Scientific Names

Accepted name

Synonyms

• Papaya pubescens
• Vasconcellea cundinamarcensis
• Carica cundinamarcensis
• Vasconcellea cestriflora
• Carica candamarcensis
• Papaya cestriflora
• Carica cestriflora
• Carica chiriquensis
• Papaya cundinamarcensis
• Carica pubescens

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Vasconcellea pubescens, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is categorized under the order Brassicaleales and the family Cariacaceae. Finally, it is classified under the genus Vasconcellea.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse and wide-ranging geographical distribution across several continents. In West Tropical Africa, its presence can be identified specifically within the country of Guinea. Moving to West-Central Tropical Africa, the species is also found in Rwanda. Its reach extends to the Indian Subcontinent, where it inhabits both India and Sri Lanka. Finally, the distribution reaches the southern hemisphere in the northern regions of New Zealand.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Vasconcellea pubescens is defined by its adaptation to specific montane environments, where it occupies a distinct altitudinal niche. This species thrives within a broad vertical gradient, establishing itself across an elevational range that begins at 1000 m AMSL and extends upward to a maximum of 3600 m AMSL. This wide distribution allows the plant to interface with various microclimates, ranging from lower montane zones to high-altitude subalpine ecosystems, necessitating physiological resilience to fluctuating temperatures and varying levels of solar radiation characteristic of these varying elevations.

Elevational range max:

3600 m AMSL

Elevational range min:

1000 m AMSL

Life history

The life history of Vascoincelea pubescens is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. In terms of its structural growth strategy, it is classified as a phanerophyte, specifically exhibiting the characteristics of a phanerophyte and a nanophanerophyte, which indicates that its perennating buds are located on aerial shoots above the ground level. Furthermore, the plant maintains an evergreen deciduousness, ensuring that it retains its foliage throughout the year rather than shedding it seasonally.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Vasconcellea pubescens is characterized by its growth form as a woody tree, which exhibits a self-supporting structure rather than functioning as a climber or liana. This terrestrial species, which is neither an epiphyte nor a parasite, maintains an independent existence within its habitat. In terms of stature, the plant displays significant vertical development, with its height typically ranging from a minimum of 2 meters to a maximum of 7 meters, maintaining an average plant height of approximately 5 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

7 m

Plant height mean:

5 m

Plant height min:

2 m

Woodiness :

woody

Physiology

The physiology of Vasconcellea pubescenes is characterized by a C3 photosynthetic pathway, which dictates its metabolic efficiency and carbon fixation processes. In terms of vegetative growth and morphological development, the plant exhibits significant leaf expansion, with leaf length reaching a maximum of 100 cm. Furthermore, the plant does not function as a nitrogen fixer, meaning it lacks the symbiotic relationships or biological mechanisms required to convert atmospheric nitrogen into a usable form, relying instead on external soil nutrient availability for its nitrogen requirements.

Leaf length max:

100 cm

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproductive cycle of Vasconcellea pubevescens is characterized by sexual reproduction through a monoecious system, where both male and female reproductive organs are present on the same plant, although self-fertilization is noted as absent. The plant relies on biotic pollination, specifically utilizing an insect pollination syndrome to facilitate fertilization. Following successful pollination, the plant produces fruits with an average length of 9 cm and an average width of 4.5 cm. The seeds produced within these fruits are remarkably uniform in size, maintaining a consistent seed length of 5 mm (ranging from a minimum to a maximum of 5 mm) and a stable seed mass of 0.0354 g. Dispersal of the seeds is achieved through a zoochorous syndrome, specifically via endozoochory, meaning the seeds are dispersed through the internal passage of animals. There is no evidence of asexual reproduction in this species.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

endozoochorous

Fruit length mean:

9 cm

Fruit width mean:

4.5 cm

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Reproduction sexual :

monoecious

Seed length mean:

5 mm

Seed mass mean:

0.0354 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Vasconcellea pubescens has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Carotenoids.

Carotenoids

1. Antioxidants (Basel, Switzerland)

Activities

Vasconcellea pubescens has 3 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antidiabetic, Antifungal, Antioxidant.

Antidiabetic

1. Antioxidants (Basel, Switzerland)

Antifungal

1. Antioxidants (Basel, Switzerland)

Antioxidant

1. Antioxidants (Basel, Switzerland)

Medicinal Uses

Vasconcellea pubescens has 3 reported medicinal uses identified across 0 scientific publications and several other databases. The most consistently reported uses include antidiabetic, antioxidant, wound-healing.

Most Reported Uses

Preparations