Alyssum desertorum Stapf  

Family: Brassicaceae
Genus:  Alyssum
Species: Alyssum desertorum Stapf
Classification
Kingdom : Plantae
Phylum :Tracheophyta
Class :Magnoliopsida
Order :Brassicales
Family :Brassicaceae
Genus : Alyssum
Species :  Alyssum desertorum Stapf

Synonyms:
Alyssum desertorum var. desertorum
Alyssum desertorum var. himalayensis T.R.Dudley
Alyssum desertorum var. prostratum T.R.Dudley
Alyssum minimum Willd.
Alyssum turkestanicum var. desertorum (Stapf) Botsch.
Alyssum desertorum f. argenteum Beck
Alyssum desertorum var. socolacicum Plazibat
Alyssum sartorii Heldr. ex Maire & Petitm.

Botanical Description :

Annuals Stem simple or few to several from base, erect, ascending, or decumbent Cauline leaves subsessile or (proximal). Flowers: sepals oblong, stellate-pubescent; petals pale yellow, oblanceolate, base attenuate, apex obtuse or retuse, sparsely stellate-pubescent abaxially; filaments: median pairs not toothed, gradually expanded from apex to narrowly winged base, lateral pair with broadly winged appendage apically notched into 2 teeth, anthers ovate, Fruits orbicular, 2.5-4(-4.5) mm diam, apex shallowly emarginate, usually glabrous; valves uniformly inflated at the middle, broadly flattened at margins, often glaucous, rarely sparsely pubescent (when young); ovules 2 per ovary; style glabrous. Seeds ovoid, slightly compressed.Flowering Apr-Jul. Deserts, rocky areas, disturbed sites, roadsides, fields, meadows, sagebrush flats; 800-2000 m;
Seeds: 4-6, c. 1.5 nun long, 1 mm broad, ellipsoid, papillose.