Kral's pawpaw (Asimina ×kralii)

Kral's hybrid pawpaw

Silhouette: T. Michael Keesey / License

Asimina ×kralii: Florida Hybrid Pawpaw Description & Taxonomy

Honoring the prominent American botanist Robert Kral, Asimina ×kralii populates a very narrow ecological niche in Florida's sandy scrublands.

This wild taxon showcases unique morphological features resulting from natural hybrid processes between native Florida species.

It was formally described by Delaney as part of studies on the state's diverse pawpaw populations.

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 ×kralii (Kral's pawpaw)

Morphology

The morphology of this plant features intermediate traits between its parental species, particularly in leaf and flower structure.

Foliage: Narrowly obovate leaves that show moderate puberulence when young.
Outer petals: Cream to white, occasionally showing faint pink streaks or margins.
Growth habit: Low-growing deciduous shrub matching the scrub understory.

Flowering season

Spring

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Name

Dec

Applications

Due to its rarity and wild nature, this hybrid lacks direct economic or horticultural applications.

It remains highly important for ecological monitoring and research into the speciation and reproductive isolation of the genus.

Interesting facts

The name of this hybrid honors Robert Kral, whose extensive taxonomic work on the genus Asimina during the 20th century laid the groundwork for modern pawpaw studies.

It occurs only in transition zones where the geographic ranges of the parental species overlap in Florida's high pine and sandhill environments.

Geography of distribution

Florida, United States

Sources

Plants of the World Online (POWO): Database record for Asimina ×kralii Delaney.
World Flora Online (WFO): Taxonomic placement and verification of the hybrid species.
Tropicos: Repository of botanical nomenclature and type specimen records.