Ashwagandha
Withania somnifera
Withania somnifera, commonly called ashwagandha or Indian ginseng, is a resilient Solanaceae shrub famed for …
Grey withania (Withania grisea)
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Withania grisea - Overview, Morphology and Distribution
Occupying the arid shrublands of Djibouti and Somalia, Withania grisea stands out as a resilient member of the Solanaceae family.
This species thrives in harsh desert environments where few other plants can survive. Its adapted structures allow it to withstand prolonged droughts.
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 grisea (Grey withania)
Morphology
Withania grisea is characterized by its densely pubescent, greyish stems and leaves, which help reflect intense sunlight and reduce water loss. The leaves are typically simple, entire, and alternately arranged along the branches.
Its flowers are small, solitary or clustered in leaf axils, featuring a bell-shaped calyx and a greenish-yellow corolla. After pollination, it produces small, globose berries wrapped in an accrescent calyx that protects the developing seeds.
Applications
Local populations in the Horn of Africa may occasionally utilize the plant in traditional medicine, although detailed pharmacological documentation remains limited. Modern researchers study its chemical profile to identify active withanolides similar to those found in ashwagandha.
Interesting facts
The specific epithet grisea refers to the distinctive greyish indumentum that covers its vegetative parts. This grey coating is an evolutionary adaptation to desert heat, acting as a natural sunscreen.
Its taxonomic history includes a reclassification by Mats Thulin, who moved the species to the genus Withania from its previous classification.
Geography of distribution
- Djibouti
- Somalia
Sources
- Plants of the World Online (POWO)
- World Flora Online (WFO)
- Global Biodiversity Information Facility (GBIF)
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 …