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Saudi Arabia flora checklist
Alyssum homalocarpum (Fisch. & C.A.Mey.) Boiss.
Nomencalture
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Family: BrassicaceaeGenus: Alyssum
SUMMARY
Family: Brassicaceae
Genus: Alyssum
Species:
Alyssum homalocarpum (Fisch. & C.A.Mey.) Boiss.
Classification
Kingdom : Plantae
Phylum :Tracheophyta
Class :Magnoliopsida
Order :Brassicales
Family :Brassicaceae
Genus : Alyssum
Species: Alyssum homalocarpum (Fisch. & C.A.Mey.) Boiss.
Synonyms:
Alyssum horebicum Boiss.
Alyssum musili Velen.
Alyssum nomismocarpum Rech. f., Aellen & Esfand.
Psilonema homalocarpum Fisch. & C.A. Mey.
Botanical Description:
Annual, up to 15 (-20) cm tall, erect or suberect, branched mostly from the base, clothed with stellate, white hairs. Leaves oblanceolate, or oblong-linear, 1-4 (-5) cm long, 5-10 (-30) mm broad, sessile, cuneate, apex rounded, margin entire rarely obscurely 1-3 dentate. Racemes 20-30-flowered, up to 6 cm long in fruit. Flowers minute, c. 1.5 mm across, white, subsessile; pedicel up to 2 mm long in fruit, slightly thickened, spreading or horizontal. Sepals c. 1 mm long. Petals 1-1.5 mm long, Stamens c. 1:1.3 mm long; filaments not appendaged. Siliculae ± broadly obovate, 4-6 mm long, 4-6.5 mm broad; apex truncate; valves glabrous, slightly inflated, veined; margin somewhat compressed; style 0.5-1 mm long with minute stigma; septum not veined. Flower/Fruit: Fl. per.: March-May.
Seeds: 2 in each locule, 1.5-2 mm long, ovate, brown, very narrowly margined.