Ashwagandha
Withania somnifera
Withania somnifera, commonly called ashwagandha or Indian ginseng, is a resilient Solanaceae shrub famed for …
Morison's withania (Withania morisonii)
Silhouette: T. Michael Keesey
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Withania morisonii: Overview of the Wild Species
Known predominantly from historical botanical collections, Withania morisonii remains an intriguing subject of study within the genus.
This wild plant occurs in arid and semi-arid regions where it has adapted to nutrient-poor soils. It primarily grows in undisturbed natural habitats, contributing to the biodiversity of dry scrublands.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms (Core angiosperms)
- ∟ eudicots
- ∟ asterids
- ∟ order Solanales
- ∟ family Solanaceae
- ∟ subfamily Solanoideae
- ∟ tribe Physaleae
- ∟ genus Withania (ashwagandha)
- ∟ species Withania morisonii (Morison's withania)
Morphology
The plant exhibits an upright herbaceous or subshrubby growth form with puberulent branches.
Its leaves are simple, alternate, and ovate to lanceolate, showing moderate pubescence on both the upper and lower surfaces. The small flowers are typically solitary or clustered in the leaf axils, bearing greenish-yellow corollas.
As the fruit matures, the calyx expands to form a papery, balloon-like structure that fully encloses the fleshy berry, protecting it from environmental stressors.
Interesting facts
Botanists study this species to trace the evolutionary pathways of the genus across different continents.
The specialized accrescent calyx is an evolutionary adaptation that prevents seed desiccation in dry environments. It also aids in wind-mediated seed dispersal when the dry structure detaches from the plant.
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Tropicos Database
See also
Shrubby winter cherry
Withania frutescens
A heavily branched Mediterranean evergreen shrub featuring tortuous woody stems, heart-shaped leaves, and green-to-red berries …
Indian rennet
Withania coagulans
A small gray-white shrub native to South Asia and the Middle East, renowned for its …
Orobal
Withania aristata
An endemic evergreen shrub of the Canary Islands and North Africa, notable for its yellowish-green …