Tetraena simplex (L.) Beier & Thulin  

Tetraena simplex (L.) Beier & Thulin , Pl. Syst. Evol. 240(1-4): 36 (2003). Flora of Pakistan.

Zygophyllum simplex Linn., Mant. 1:68. 1767. Boiss., Fl. Orient. 1:912. 1867; Hadidi in Rech. f., l.c. 22. tab. 24; in Tackholm, Stud. Fl. Egypt ed. 2. 309. 1974.
•  Zygophyllum portulacoides Forssk.
Annual, suberect to procumbent, 8-20 cm tall, profusely branched, glabrous herb. Stem and branches pale-green or purplish, minutely striate. Leaves succulent, simple, sessile, oblong-cylindric, 4-18 mm long, apex obtuse; stipules lanceolate, 2-3 mm long, acute. Flowers yellow, fading to white, 4-5 mm across; pedicels slender, c. 3 mm long; disc 10-lobed. Sepals 5, elliptic-oblong, c. 2 mm long, keeled, cucullate. Petals 5, spathulate, c. 3 mm long, truncate at the apex. Stamens 10, exserted, scales bipartite. Carpels 5; ovary ovoid, glabrous, sulcate, 5-loculed, each locule 4-ovuled; style persistent. Capsule deflexed, turbinate, rugulose, retuse, septicidally dehiscent into 5, 2-3 seeded, compressed cocci. Seeds oblong.
Fl. Per.: August-May.
Type: “Habitat in Arabia” Forskahl