Common Pawpaw
Asimina triloba
Asimina triloba, commonly known as the pawpaw, is a small deciduous tree native to North …
Rugel's False Pawpaw (Asimina rugelii)
Rugel's Pawpaw
Yellow Pawpaw
IUCN: В опасности
Silhouette: T. Michael Keesey
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Asimina rugelii - Botanical Profile of Rugel's Pawpaw
Endemic to the sandy pine scrubs of Volusia County, Florida, the low-growing shrub Asimina rugelii represents a rare and endangered lineage. It occurs naturally in a highly restricted range, adapting to the fire-dependent ecosystems of the southeastern United States. The species is highly valued by conservationists working to protect the state's unique biodiversity.
It thrives in open, sunny areas with well-drained soils, where it has evolved to survive periodic wildfires. Due to habitat loss and fragmentation, its wild populations are carefully monitored and protected.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ magnoliids
- ∟ order Magnoliales (Magnolias)
- ∟ family Annonaceae (Custard apple family)
- ∟ subfamily Annonoideae
- ∟ genus Asimina (Pawpaw)
- ∟ species Asimina rugelii (Rugel's False Pawpaw)
Morphology
The physical characteristics of Asimina rugelii reflect its adaptation to dry, sandy habitats. It is a small deciduous shrub that typically reaches a height of 20 to 50 centimeters, occasionally growing taller under optimal conditions.
Its key morphological features include:
- Stems and Branches: The plant produces upright, slender woody stems that arise from a deep taproot system, helping it survive drought and fires.
- Foliage: The leaves are oblong to obovate, leathery, and feature prominent veins on the underside that are often covered in fine, rusty-colored hairs.
- Flowers: The solitary, nodding flowers develop on short stalks and feature pale yellow to greenish-yellow petals that emit a faint scent.
- Fruit: The plant produces small, fleshy berries containing several seeds, characteristic of the genus.
Applications
Because of its extremely rare status, Asimina rugelii has no commercial or agricultural applications. Its primary value is ecological, serving as a food source for local pollinators and wildlife in its native scrub habitat.
It is also a subject of study for botanists and conservationists focusing on rare plant propagation and habitat restoration in Florida.
Interesting facts
A fascinating aspect of Asimina rugelii is its relationship with fire. The shrub relies on periodic fires to clear surrounding canopy cover, allowing sunlight to stimulate new growth and seed germination.
It was named in honor of Ferdinand Rugel, a 19th-century German-American botanist who collected plants extensively throughout the southeastern United States.
Geography of distribution
- United States
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Global Biodiversity Information Facility (GBIF)
Technical Information
Taxon Synonyms: Deeringothamnus rugelii
See also
Bigflower pawpaw
Asimina obovata
An endemic shrub or small tree from Florida, noted for its large showy flowers and …
Smallflower Pawpaw
Asimina parviflora
Asimina parviflora, commonly known as the smallflower pawpaw, is a dwarf shrub native to the …
Netted pawpaw
Asimina reticulata
A flowering shrub endemic to Florida, featuring leathery leaves and fragrant flowers.