Peninsula Pawpaw (Asimina ×peninsularis)

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Asimina peninsularis - Florida Hybrid Pawpaw Botanical Overview

Sandy scrub habitats of the Florida peninsula support the naturally occurring hybrid Asimina ×peninsularis, a wild member of the Annonaceae family. First described by botanist Kris R. Delaney, this hybrid is a result of natural cross-pollination.

It thrives in localized environments, contributing to the rich biodiversity of Florida's sandy ecosystems. The plant is adapted to nutrient-poor soils and seasonal droughts.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ magnoliids
  • ∟ order Magnoliales
  • ∟ family Annonaceae (Custard apple family)
  • ∟ subfamily Annonoideae
  • ∟ genus Asimina (Pawpaw)
  • ∟ species Asimina ×peninsularis (Peninsula Pawpaw)

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Morphology

This naturally occurring hybrid is a small to medium-sized shrub, displaying features intermediate between its parent species. It features woody, branching stems and semi-evergreen to deciduous foliage.

The leaves are generally obovate to elliptic, possessing a slightly leathery texture. Its flowers are characterized by pale cream to white outer petals, contrasting with darker, purplish or maroon inner petals.

Flowering season

Spring

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Dec

Applications

Due to its rarity, the practical applications of this hybrid are restricted to specific fields:

  • Scientific research: Botanists study it to understand hybrid speciation and gene flow in wild populations.
  • Conservation education: It serves as a flagship hybrid representing the biodiversity of Florida scrub habitats.
  • Ecological preservation: The wild plants contribute to the complex food webs of their local ecosystems.

Interesting facts

Key botanical and ecological characteristics of this hybrid include:

  • Intermediate traits: It displays leaf shapes and flower colors that are perfectly intermediate between its parent species.
  • Habitat specificity: The plant is restricted to ancient sand dunes and scrub ecosystems that are highly endangered.
  • Pollination ecology: It relies on native beetles and flies attracted to its subtly scented maroon inner petals.

Geography of distribution

  • Florida

Sources

  • Plants of the World Online (POWO)
  • World Flora Online (WFO)
  • Global Biodiversity Information Facility (GBIF)
  • Tropicos

Technical Information

External Databases: GBIF, POWO, Tropicos

See also

Common Pawpaw

Common Pawpaw

Asimina triloba

Asimina triloba, commonly known as the pawpaw, is a small deciduous tree native to North …

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